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August 31, 2022 Z2021139 Page 1 of 3 Report to the Board of Supervisors Prepared by the Maricopa County Planning and Development Department Board Hearing Date: August 31, 2022 Case #/Title: Z2021139 – Lot 14 & Tract A Buckeye Ranch Supervisor District: 4 Applicant/Owner: David Hughes, EPS Group, INC. / Global Water-Greater Tonopah Water Company Request: Special Use Permit (SUP) Major Amendment to expand water treatment facility in the Rural-43 zoning district Site Location: Generally located at the SWC of Buckeye Rd & 355th Ave. in the Tonopah area. Site Size: Approx. 2.13 acres County Island Status: N/A Additional Comments: There are no outstanding concerns from reviewing agencies, and there is no known opposition. This is a SUP Major Amendment to expand a water treatment plant that includes a well site and an arsenic removal component. The originally approved SUP area encompasses approx. 96 sq. ft. (0.002 ac.) of the 1.02 ac. parent parcel; which is currently being utilized for water tank storage within Phase 1 of the Buckeye Ranch subdivision under SUP case Z2007004. This major amendment will have the effect of expanding the SUP area north to include Lot 14 of the Buckeye Ranch subdivision for a total SUP area of 2.13 acres. The site is currently owned and operated by the Water Utility of Greater Tonopah. The facility will be used for water distribution and arsenic treatment. The water treatment (for potability for safe human consumption) aspect of the subject request requires a SUP. The expansion includes a new well location, SES and control panels, a future 150,000-gallon storage tank, and a future arsenic treatment facility. Arsenic levels vary based on depth, location, pumped flow etc. The EPA Maximum Contaminant Level (MCL) is 0.010 mg/L, and the Water Utility is encountering levels from non- detect to 0.030 mg/L in this area. Commission Recommendation: On 8/4/22, the Commission voted 9-0 to recommend approval of Z2021139 subject to conditions ‘a’ – ‘n’: August 31, 2022 Z2021139 Page 2 of 3 a. Development and use of the site shall be in substantial conformance with the site plan entitled “Site Plan of Lot 14 & Tract A of Buckeye Ranch” consisting of one (1) full-size sheet dated June 20, 2022, and stamped received June 28, 2022, except as modified by the following conditions. b. Development and use of the site shall be in substantial conformance with the narrative report entitled “Lot 14 & Tract A of Buckeye Ranch Special Use Permit Major Amendment” consisting of twenty-three (23) pages, dated revised June 20, 2022, and stamped received June 28, 2022, except as modified by the following conditions. c. All transformers, back-flow prevention devices, utility boxes and all other utility related ground mounted equipment shall be painted to complement the development and shall be screened with landscape material where possible. All HVAC units shall be ground-mounted. d. Prior to commencing construction of the arsenic treatment system, the applicant shall obtain an Approval to Construct from Maricopa County Environmental Services Department (MCESD). e. Prior to the issuance of construction permits, the applicant shall submit a Grading and Drainage plan and Drainage Report that have been signed and sealed by an Arizona Registered Civil Engineer. Said plan and report shall include the following: 1. Retention basin needs to provide for a maximum side slope of 4:1. 2. Drainage review of planning and/or zoning cases is for conceptual design only and does not represent final design approval nor shall it entitle applicants to future designs that are not in conformance with Section 1205 of the Maricopa County Zoning Ordinance and the Maricopa County Drainage Policies and Standards. 3. All development and engineering design shall be in conformance with Section 1205 of the Maricopa County Zoning Ordinance and current engineering policies, standards and best practices at the time of application for construction. 4. Any development in the floodplain will require a floodplain use permit issued concurrent with building permit(s) required for site development. 5. Driveway access to Papago Street must be paved and will require a permit from MCDOT issued concurrent with building permit(s) required for site development. Drainage flow along the roadway must be maintained. 6. All retention basins shall drain within 36 hours per County requirements. f. The applicant or his successor shall obtain approval of any development plans from the Office of the Arizona State Fire Marshal prior to any construction. August 31, 2022 Z2021139 Page 3 of 3 g. Development and use of the site shall comply with requirements for fire hydrant placement and other fire protection measures as deemed necessary by the applicable fire department. Prior to issuance of zoning clearance, the applicant shall seek review and comment from the applicable fire protection agency, and shall provide written confirmation that the site will be developed in accordance with their requirements. h. All outdoor lighting shall conform to the Maricopa County Zoning Ordinance. i. Prior to zoning clearance, developer(s) and/or builder(s) shall establish emergency fire protection services, covering all real property contained within the project area during course of construction and shall obtain a ‘will serve’ letter substantiating coverage from the appropriate Fire Department servicing the site. j. In the event the use of this site is terminated for a period exceeding 180 days, the SUP shall expire and all related equipment shall be removed within 180 days. k. Major changes to the Special Use Permit shall be processed as a revised application, with approval by the Board of Supervisors upon recommendation of the Planning and Zoning Commission. Minor changes may be administratively approved by the Planning and Development Department. Major changes to the Special Use Permit may require a new Citizen Participation Process as determined by the Planning and Development Department. l. Noncompliance with the conditions of approval will be treated as a violation in accordance with the Maricopa County Zoning Ordinance. Further, noncompliance of the conditions of approval may be grounds for the Planning and Zoning Commission to take action in accordance with the Maricopa County Zoning Ordinance). m. Non-compliance with the regulations administered by the Maricopa County Environmental Services Department, Maricopa County Department of Transportation, Drainage Review Division, Planning and Development Department, or the Flood Control District of Maricopa County may be grounds for initiating a revocation of this Special Use Permit as set forth in the Maricopa County Zoning Ordinance. n. Property owner and his successors waive claim for diminution in value if the County takes action to rescind approval due to noncompliance with stipulations. Presented by: Daniel Johnson, Planner Reviewed by: Darren Gérard, AICP, Planning Manager Attachment: 8/4/22 P&Z Packet (20 pages) Note: 8/4/22 Draft P&Z Minutes are not available as of the writing of this report, but can be provided upon request later when available. Z2021139 Page 1 of 7 Report to the Planning and Zoning Commission Prepared by the Maricopa County Planning and Development Department Case: Z2021139 – Lot 14 & Tract A Buckeye Ranch Hearing Date: August 4, 2022 Supervisor District: 4 Applicant: David Hughes, EPS Group, INC. Owner: Global Water-Greater Tonopah Water Company Request: Special Use Permit (SUP) Major Amendment to expand well site and arsenic treatment facility of Tract A to Lot 14 of Buckeye Ranch Phase 1 Site Location: Generally located at the SWC of Buckeye Rd & 355th Ave. in the Tonopah area. Site Size: Approx. 2.13 acres Density: N/A County Island: No County Plan: Tonopah/Arlington Area Plan - Rural Residential development (0-1 d.u./ac.) Municipal Plan: N/A Municipal Comments: None received to date Support/Opposition: None known Recommendation: Approve with conditions Z2021139 Page 2 of 7 Project Summary: 1. This is a SUP Major Amendment to expand a water treatment plant for removal of arsenic in the Rural-43 zoning district. The originally approved SUP area encompasses approx. 96 sq. ft. (0.002 ac.) of the 1.02 ac. parent parcel; which is currently being utilized for water tank storage within Phase 1 of the Buckeye Ranch subdivision under SUP case Z2007004. The existing well site consists of a 150,000 gallon above-ground water storage tank along with additional support equipment such as the well pump, generators, booster pumps, hydropneumatics tank, and a 220,000 gallon above-ground water storage tank. The existing arsenic treatment component includes two (2) 8’ (h) arsenic treatment tanks on a 12’ x 8’ (96 sq. ft.) pad. 2. This major amendment will have the effect of expanding the SUP area north to Lot 14 of the Buckeye Ranch subdivision. The site is currently owned and operated by the Water Utility of Greater Tonopah. The facility will be used for water distribution and arsenic treatment. As a water distribution facility, the site does not require a SUP; however, the water treatment aspect of the subject request requires a SUP. The expansion includes a new well location, SES and control panels, a future 150,000-gallon storage tank, and a future arsenic treatment facility. 3. Primary access to the site will be off 355th Ave. and then to Buckeye Ranch Rd. and 355th Ln. The site can also be accessed from Buckeye Rd. and then to Papago St, which is also a paved street within Buckeye Ranch (Phase 1) subdivision, through a 20’ (w) entry gate. The existing well site was anticipated with the original design of the subdivision; therefore, traffic generated by the proposed well site has already been included in the original traffic report that was approved by MCDOT. The applicant indicates the projected traffic generated by the well site is minimal and primarily consists of daily inspections and maintenance by Water Utility of Greater Tonopah staff and its contractors. Additionally, the arsenic treatment facility operates with the daily functioning of the well and is not expected to increase the projected traffic. The proposed arsenic treatment facility designates one (1) 10’ x 30’ parking space reserved for maintenance vehicles. A replat of the subdivision is in process to combine the two parcels (Lot 14 and Tract A) and the lots have been combined through the Assessor’s office under APN 506-41-285A. Z2021139 Page 3 of 7 Z2021139 Page 4 of 7 4. It should be noted that since the applicant is proposing a site plan (required plan of development, POD) and although the special use permit is a legislative approval, the POD is administratively approved. Therefore, POD approval is contingent upon prior SUP approval. Existing On-Site and Adjacent Zoning / Land Use: 5. On-site: Rural-43 / Well Site and Arsenic Treatment Facility, Equipment Staging North: Buckeye Rd then Rural-43 / Single Family Residence South: Rural-43 / Single Family Residence East: 355th Ave then RU-43 / Vacant West: Rural-43 / Vacant Utilities and Services: 6. Water: Global Water Wastewater: Global Water School District: Saddle Mountain Unified School District Fire: Buckeye Valley Fire Department Police: MCSO Right-of-Way: 7. The following table includes existing and proposed half-width right-of-way and the future classification based upon the Maricopa County Department of Transportation (MCDOT) Major Streets and Routes Plan. Street Name Half-width Existing R/W Half-width Proposed R/W Future Classification Buckeye Rd. 55’ 55’ Parkway 355th Ave. 55’ 55’ Principal Arterial Papago St. 25’ 25’ Local 355th Ln 25’ 25’ Local Adopted Plan: 8. Tonopah/Arlington Area Plan (County Area Plan): The County Area Plan designates the site for Rural Residential development (0-1 d.u./ac.). At an overall density of 0.91 d.u./ac., the Buckeye Ranch subdivision is in concert with this plan. The Buckeye Ranch water distribution and storage facility is a by-right use and the arsenic treatment component is a requirement, therefore the SUP request is in concert with Tonopah/ Arlington Area Plan. Public Participation Summary: 9. Applicant completed all necessary public participation requirements per Special Use Permit requirements and according to MCZO Section 304, including notification of property owners and homeowner’s associations within 300’ of the subject major Z2021139 Page 5 of 7 amendment site. The notice indicated a contact person for any questions on the request. A list of owners and associations within 300’ of the site was supplied along with the notification letter. 1st notice was sent January 3, 2022. The site was posted January 6, 2022. Hearing dates were changed on the site posting on July 18th. No public comment was received by the applicant nor by staff. Outstanding Concerns from Reviewing Agencies: 10. N/A. Staff Analysis: 11. This approx. 2.1-acre SUP expansion request for a water treatment (arsenic) plant in the Rural-43 zoning district provides a direct benefit to the Tonopah area. The purpose of the facility is to meet the lower arsenic levels that have been mandated by the EPA. Reviewing County agencies, interested parties and adjacent property owners offer no opposition to this request. Staff is supportive of an indefinite SUP period since the EPA standards are to remain in effect indefinitely and therefore the site will require an arsenic treatment facility as long as the facility continues to supply drinking water. The site will be utilized by Water Utility of Greater Tonopah which will provide Buckeye Ranch and surrounding communities with water and is therefore not making any request which would deem this project out of character or having a negative impact on the surrounding properties. Staff is in support of this critical infrastructure expansion. Recommendation: 12. Staff recommends the Commission adopt a motion recommending that the Board of Supervisors approve Z2021139 subject to the following conditions ‘a’ – ‘n’. a. Development and use of the site shall be in substantial conformance with the site plan entitled “Site Plan of Lot 14 & Tract A of Buckeye Ranch” consisting of one (1) full-size sheet dated June 20, 2022, and stamped received June 28, 2022, except as modified by the following conditions. b. Development and use of the site shall be in substantial conformance with the narrative report entitled “Lot 14 & Tract A of Buckeye Ranch Special Use Permit Major Amendment” consisting of twenty-three (23) pages, dated revised June 20, 2022, and stamped received June 28, 2022, except as modified by the following conditions. c. All transformers, back-flow prevention devices, utility boxes and all other utility related ground mounted equipment shall be painted to complement the development and shall be screened with landscape material where possible. All HVAC units shall be ground-mounted. d. Prior to commencing construction of the arsenic treatment system, the applicant shall obtain an Approval to Construct from Maricopa County Environmental Services Department (MCESD). Z2021139 Page 6 of 7 e. Prior to the issuance of construction permits, the applicant shall submit a Grading and Drainage plan and Drainage Report that have been signed and sealed by an Arizona Registered Civil Engineer. Said plan and report shall include the following: 1. Retention basin needs to provide for a maximum side slope of 4:1. 2. Drainage review of planning and/or zoning cases is for conceptual design only and does not represent final design approval nor shall it entitle applicants to future designs that are not in conformance with Section 1205 of the Maricopa County Zoning Ordinance and the Maricopa County Drainage Policies and Standards. 3. All development and engineering design shall be in conformance with Section 1205 of the Maricopa County Zoning Ordinance and current engineering policies, standards and best practices at the time of application for construction. 4. Any development in the floodplain will require a floodplain use permit issued concurrent with building permit(s) required for site development. 5. Driveway access to Papago Street must be paved and will require a permit from MCDOT issued concurrent with building permit(s) required for site development. Drainage flow along the roadway must be maintained. 6. All retention basins shall drain within 36 hours per County requirements. f. The applicant or his successor shall obtain approval of any development plans from the Office of the Arizona State Fire Marshal prior to any construction. g. Development and use of the site shall comply with requirements for fire hydrant placement and other fire protection measures as deemed necessary by the applicable fire department. Prior to issuance of zoning clearance, the applicant shall seek review and comment from the applicable fire protection agency, and shall provide written confirmation that the site will be developed in accordance with their requirements. h. All outdoor lighting shall conform to the Maricopa County Zoning Ordinance. i. Prior to zoning clearance, developer(s) and/or builder(s) shall establish emergency fire protection services, covering all real property contained within the project area during course of construction and shall obtain a ‘will serve’ letter substantiating coverage from the appropriate Fire Department servicing the site. j. In the event the use of this site is terminated for a period exceeding 180 days, the SUP shall expire and all related equipment shall be removed within 180 days. k. Major changes to the Special Use Permit shall be processed as a revised application, with approval by the Board of Supervisors upon recommendation of the Planning and Zoning Commission. Minor changes may be administratively Z2021139 Page 7 of 7 approved by the Planning and Development Department. Major changes to the Special Use Permit may require a new Citizen Participation Process as determined by the Planning and Development Department. l. Noncompliance with the conditions of approval will be treated as a violation in accordance with the Maricopa County Zoning Ordinance. Further, noncompliance of the conditions of approval may be grounds for the Planning and Zoning Commission to take action in accordance with the Maricopa County Zoning Ordinance). m. Non-compliance with the regulations administered by the Maricopa County Environmental Services Department, Maricopa County Department of Transportation, Drainage Review Division, Planning and Development Department, or the Flood Control District of Maricopa County may be grounds for initiating a revocation of this Special Use Permit as set forth in the Maricopa County Zoning Ordinance. n. Property owner and his successors waive claim for diminution in value if the County takes action to rescind approval due to noncompliance with stipulations. Presented by: Daniel Johnson, Planner Reviewed by: Matthew Holm, AICP, Planning Supervisor Attachments: Case Map (1 page) Site Plan (reduced 8.5”x11”, 1 page) Narrative Report/Ex. Summary (4 pages) MCDOT comments (3 pages) Planning & Development Engineering Comments (3 pages) MCESD comments (1 page) M ARICO PA CO UN TY / M aricopa County Planning & Developm ent - Phoenix, AZ 4 G ross Acres: 3 approx. G enerated July 25, 2022 11:24 AM Z2021139 Application Nam e: Legal Description Lot 14 & Tract A of Buckeye Ranch EDR Applicant Case Address , David Hughes for EPS G roup, Inc. 1253 S 355TH Ln Applicant Phone/Em ail Parcel Prim ary: 480.503.2250 david.hughes@ epsgroupinc.com BUCKEYE AZ 85326 M ap scale 1:714 Supervisor District No. 506-41-234, 506-41-285 REQ UEST SUP M AJO R AM ENDM ENT TO EXPAND THE EXISTING W ELL SITE AND ARSENIC TREA TM ENT USE O F TRACT A TO LO T 14 O F BUCKEYE RANCH PHASE 1, 5.3585 in PAPAGO STREET 355TH LANE EX. 25.0' R/W EX. 25.0' R/W EX. 8.0' P.U.E. EX. 55.0' R/W EX. 55.0' R/W 335TH AVENUE BUCKEYE ROAD EX. 8.0' P.U.E. EX. 8.0' P.U.E. EX. 1.0' V.N.A.E. EX. 1.0' V.N.A.E. LOT 13 LOT 14 TRACT A LOT 15 EX. MOBILE BLDG. TWO VESSEL ARSENIC TREATMENT FACILITY AND CHLORINATION FACILITY SHED EX. WELL EX. STANDBY GENERATOR EX. BOOSTER PUMP STATION EX. 150,000 GALLON STORAGE TANK EX. 220,000 GALLON STORAGE TANK EX. CHAIN LINK FENCE RETENTION PROP. ARSENIC TREATMENT FACILITY (HEIGHTS - ATF BLDG. 7.5', ATF TANKS 9', CHLORINE STORAGE TANKS 8.5') PROP. WELL CASING AND HEADER PROP. 50' DIAMETER 150,000 GALLON STORAGE TANK HEIGHT 24' PROP. SES AND CONTROL PANELS HEIGHT 10' PROP. 8' HIGH CHAIN LINK FENCE PROP. 8' HIGH CHAIN LINK FENCE EX. CHAIN LINK FENCE 20' DOUBLE SWING GATE PER MAG STD. DTL. 160 21.0' 40.0' 60.0' 180.02'(R&M) N 00°46'49" E 255.44'(R&M) S 89°59'43" W N 89°58'46" E 262.25'(R&M) S 00°00'33" E 318.06'(R&M) S 00°00'33" E 2641.49'(R&M) N 89°58'46" E 2640.54'(M) 342.27'(M) 2298.27'(M) 398.08'(M) 2243.41'(M) S00º00'14"E 67.98' (R&M) N 89°59'27" E 55.00' N 0°01'14" W 55.00' R=25.00' L=39.27' D=90º0'41" R=50.00' L=110.03' D=126º05'11" R=25.00' L=16.09' D=36º52'39" NORTHEAST COR. SEC. 13, T.1 N., R.6 W. 23.3' 17.4' 126.5' APN 506-41-235 MARITAL TRUST MARITAL SHARE ONE ZONING: RU-43 EXISTING USE: RESIDENTIAL APN 506-41-233 DLE PSP LLC ZONING: RU-43 EXISTING USE: VACANT LOT LOT 33 APN 506-41-253 DON LIEM ENTERPRISES INC ZONING: RU-43 EXISTING USE: VACANT LOT APN 504-12-155 RODOLFO HERRERA ZONING: RU-43 EXISTING USE: RESIDENTIAL APN 506-41-116J THOMAS & LAURIE HAYNES ZONING: RU-43 EXISTING USE: RESIDENTIAL RAISED PADS FOR EQUIPMENT & WELL 20.0' A.B.C. D/W 9' X 18' DUST-PROOF PARKING SPOT FOR MAINTENANCE VEHICLE FLOODWAY BOUNDARY FLOODWAY ZONE AE FLOODWAY BOUNDARY FLOODWAY ZONE AE EX. DRAINAGE ESMT. PER BK. 504, PG. 12, MCR PROP. 8' HIGH CHAIN LINK FENCE Designer: Drawn by: Project: Sheet No. Job No. Call at least two full working days before you begin excavation. Dial 8-1-1 or 1-800-STAKE-IT (782-5348) In Maricopa County: (602)263-1100 w w w . e p s g r o u p i n c . c o m T:480.503.2250 F:480.503.2258 | 1130 N Alma School Road Suite 120 Mesa, AZ 85201 20-0155 Lot 14 & Tract A of Buckeye Ranch Tonopah, AZ EPS EPS 20-0155 of 1 1 SP01 Site Plan 30 scale 0 30 60 feet Or Preliminary Construction Not For Recording Or Preliminary Construction Not For Recording MARCH 17, 2021 - PRE-APPLICATION SUB. VICINITY MAP N.T.S. CONSULTANT EPS GROUP, INC. 1130 N. ALMA SCHOOL RD., SUITE 120 MESA, AZ 85201 TEL: (480)-503-2250 CONTACT: DAVID HUGHES david.hughes@epsgroupinc.com PROJECT TEAM DEVELOPER HASSAYAMPA UTILITY COMPANY INC. 21410 N. 19TH AVENUE, SUITE 201 PHOENIX, AZ 85027 TEL: (480)-646-3771 CONTACT: JASON THUNEMAN PROJECT DATA SUBJECT SITE 355TH AVENUE LOWER BUCKEYE ROAD BUCKEYE ROAD 363RD AVENUE SEC 13 T.1 N., R.6 W. SITE PLAN OF LOT 14 & TRACT A OF BUCKEYE RANCH LOT 14 AND TRACT A OF THE REPLAT OF FINAL PLAT FOR BUCKEYE RANCH - PHASE 1 AS SHOWN IN BOOK 504, PAGE 12, MARICOPA COUNTY RECORDER A.P.N.: 506-41-285A AREA PLAN: TONOPAH / ARLINGTON AREA PLAN CURRENT LAND USE: NATURAL DESERT / UNDEVELOPED EXISTING AREA PLAN LAND USE: RURAL EXISTING ZONING: RU-43 GROSS AREA: 2.13 ACRES (92,845 SF) NORTH 1/4 COR. SECTION 13, T.1 N., R.6 W. EAST 1/4 COR. SECTION 13, T.1 N., R.6 W. NOVEMBER 2, 2021 - 1ST SUP AMENDMENT SUB. FEBRUARY 3, 2022 - 2ND SUP AMENDMENT SUB. ZONING CASE: Z2021139 REQUEST: SPECIAL USE PERMIT MAJOR AMENDMENT TO EXPAND THE EXISTING WELL SITE AND ARSENIC TREATMENT FACILITY USE OF TRACT A TO LOT 14 OF BUCKEYE RANCH PHASE 1. PROPERTY OWNER (LOT 14) GLOBAL WATER-GREATER TONOPAH WATER COMPANY INC 21410 N. 10TH AVENUE, SUITE 220 PHOENIX, AZ 85027 TEL: (480)-646-3771 CONTACT: JASON THUNEMAN PROPERTY OWNER (TRACT A) WATER UTILITY OF GREATER TONOPAH INC. 21410 N. 19TH AVENUE, SUITE 201 PHOENIX, AZ 85027 TEL: (480)-646-3771 CONTACT: JASON THUNEMAN UTILITIES & SERVICES WATER GLOBAL WATER - GREATER TONOPAH WATER COMPANY INC. SEWER GLOBAL WATER - HASSAYAMPA UTILITY COMPANY, INC. ELECTRIC ARIZONA PUBLIC SERVICE (APS) POLICE MARICOPA COUNTY SHERIFF'S DEPARTMENT FIRE BUCKEYE VALLEY FIRE DEPARTMENT SCHOOL DISTRICT SADDLE MOUNTAIN UNIFIED SCHOOL DISTRICT #90 LOT 14 AND TRACT A, OF BUCKEYE RANCH PHASE 1, ACCORDING TO BOOK 453 OF MAPS, PAGE 46 AND RE-PLAT RECORDED IN BOOK 504 OF MAPS, PAGE 12, RECORDS OF MARICOPA, ARIZONA, LOCATED IN THE NORTHEAST QUARTER OF SECTION 13, TOWNSHIP 1 NORTH, RANGE 6 WEST OF THE GILA & SALT RIVER MERIDIAN, MARICOPA COUNTY, ARIZONA. BEGINNING AT NORTHWEST CORNER OF SAID LOT 14; THENCE ALONG THE NORTH LINE OF SAID LOT 14, NORTH 89 DEGREES 58 MINUTES 46 SECONDS EAST, 262.25 FEET TO THE BEGINNING OF A CURVE, CONCAVE SOUTHWEST AND HAVING A RADIUS OF 25.00 FEET; THENCE SOUTHEASTERLY ALONG THE ARC OF SAID CURVE TO THE RIGHT THROUGH A CENTRAL ANGLE OF 90 DEGREES 00 MINUTES 41 SECONDS, AN ARC DISTANCE OF 39.27 FEET; THENCE ALONG THE EAST LINE OF SAID LOT 14 AND TRACT A, SOUTH 00 DEGREES 00 MINUTES 33 SECONDS EAST, 318.06 FEET; THENCE ALONG THE SOUTH LINE OF SAID TRACT A, SOUTH 89 DEGREES 59 MINUTES 46 SECONDS WEST, 255.44 FEET; THENCE ALONG THE WEST LINE OF SAID TRACT A, NORTH 00 DEGREES 00 MINUTES 14 SECONDS WEST, 67.98 FEET TO THE BEGINNING OF A CURVE, CONCAVE SOUTHEAST AND HAVING A RADIUS OF 25.00 FEET; THENCE NORTHEASTERLY ALONG SAID CURVE TO THE RIGHT THROUGH A CENTRAL ANGLE OF 36 DEGREES 52 MINUTES 27 SECONDS, AN ARC DISTANCE OF 16.09 FEET TO THE BEGINNING OF A CURVE WITH REVERSE CURVATURE, CONCAVE SOUTHWEST AND HAVING A RADIUS OF 50.00 FEET; THENCE NORTHWESTERLY ALONG SAID CURVE TO THE LEFT THROUGH A CENTRAL ANGLE OF 126 DEGREES 05 MINUTES 11 SECONDS, AN ARC DISTANCE OF 110.03 FEET; THENCE ALONG THE WEST LINE OF LOT 14, NORTH 00 DEGREES 46 MINUTES 48 SECONDS EAST, 180.02 FEET TO THE POINT OF BEGINNING. CONTAINING AN AREA OF 92,845 SQUARE FEET OR 2.1314 ACRES, MORE OR LESS. LEGAL DESCRIPTION JUNE 20, 2022 - 3RD SUP AMENDMENT SUB. Z2021139 RCVD 6/28/22 Lot 14 & Tract A of Buckeye Ranch Special Use Permit Major Amendment Case Number: Z2021139 Request: Special Use Permit Major Amendment to expand the existing well site and arsenic treatment use of Tract A to Lot 14 of Buckeye Ranch Phase 1 Submitted: November 2, 2021 Revised: February 3, 2022 Revised: June 20, 2022 LAND OWNER Global Water ‐ Greater Tonopah Water Company Inc 21410 N 10th Avenue, Suite 220 Phoenix, AZ 85027 Contact: Jason Thuneman Tel. 480‐646‐3771 CONSULTANT EPS Group, Inc. 1130 N Alma School Road, Suite 120 Mesa, AZ 85201 Contact: David Hughes Tel. 480‐503‐2250 Z2021139 RCVD 6/28/22 Table of Contents 1. Executive Summary and Purpose of Request ....................................................................................... 1 2. Description of Proposal ......................................................................................................................... 1 3. Relationship to Surrounding Properties & Suitability Analysis ............................................................. 1 4. Location and Accessibility ..................................................................................................................... 2 5. Circulation System ................................................................................................................................ 2 6. Community Facilities and Services ........................................................................................................ 2 7. Public Utilities and Services .................................................................................................................. 2 8. Conclusion ............................................................................................................................................. 2 1 1. Executive Summary and Purpose of Request EPS Group, Inc., on behalf of the property owner, submits this request for a Special Use Permit Major Amendment in order to expand and develop an arsenic treatment facility, located on the southwest corner of Buckeye Road and 355rd Avenue in Tonopah, AZ. The site is identified as Lot 14 and Tract A of the Buckeye Ranch Phase 1 Replat, which is Book 504, Page 12 of the Maricopa County Recorder. 2. Description of Proposal The site is approximately 2 acres and is currently zoned RU‐43. The existing well site and treatment facility is located on Tract A and current has a Special Use Permit (SUP) for the arsenic treatment approved as Maricopa County case number Z2007004. This request is to expand the existing site north into Lot 14 of the Buckeye Ranch subdivision. The expansion includes a new well location, SES and control panels, a future 150,000‐gallon storage tank and a future arsenic treatment facility. Please see the site plan included with this submittal for the overall site design. In order for the arsenic treatment to be allowed on the residential Lot 14, the previously approved SUP a part of Z2007004 will need to be amended to encompass the Lot 14 expansion. Day‐to‐day operations include one employee visit for one hour each weekday to monitor the well site and arsenic treatment facility or perform maintenance. These operations are already happening with the existing site on Tract A and the expansion will not necessitate the need for more employees on site. A new deed was recorded with the Maricopa County Recorder to remove the property line between Tract A and Lot 14. The new assessor parcel number given to the combined property from the Maricopa County Assessor’s office is 506‐41‐285A. This will ensure the expanded site on Lot 14 is permitted to connect to the existing well site on Tract A. To facilitate the expansion of the subject facility, this application requests a Special Use Permit Major Amendment. The expansion of this site will enable future development opportunities in the surrounding Tonopah area. 3. Relationship to Surrounding Properties & Suitability Analysis The proposed development has been designed to be better compatible with the following surrounding developments: North: Rural Single Family Residential (RU‐43) South: Existing Buckeye Ranch residential lots (RU‐43) Project Data A.P.N. 506‐41‐285A Area Plan Tonopah/Arlington Area Plan Current Land Use Vacant/Existing Well Site & Treatment Facility Existing Area Plan Land Use Rural Existing Zoning District RU‐43 Gross Site Area 2.13 Acres (92,845 SF) 2 East: Vacant (RU‐43) West: Existing Buckeye Ranch residential lots (RU‐43) 4. Location and Accessibility This site is generally located on the southwest corner Buckeye Road and 355th Avenue outside of Buckeye, Arizona. Regional access shall be provided by Interstate 10 from an existing traffic interchange at 339th Avenue which is roughly 2 miles east along Buckeye Road and 1.8 miles north on 339th Avenue from the property. Site access will be provided via 355th Lane or Papago Street through the Buckeye Ranch subdivision which are already improved. 5. Circulation System Access to the site shall be provided by the already improved local streets of Papago Street and 355th Lane of the Buckeye Ranch subdivision. Lot 14 shall have a swinging ingress and egress gate for employees to access the new well and the future arsenic treatment facility via ABC surface driveway with a parking spot for a maintenance vehicle. 6. Community Facilities and Services This application request will not adversely affect existing or future public and private open space, recreation, schools or library facilities. 7. Public Utilities and Services This application request will not adversely affect municipal and private facilities and services. The following list identifies public and private services for the development: Water – Global Water – Greater Tonopah Water Company, Inc. (GW‐GTWC) Sewer – Global Water ‐ Hassayampa Utilities Company, Inc. (GW‐HUC) Electric – Arizona Public Service (APS) Police – Maricopa County Sheriff’s Department Fire – Buckeye Valley Fire Department School – Saddle Mountain Unified School District #90 8. Conclusion The development team is committed to ensuring the expansion of the existing arsenic treatment facility within Buckeye Ranch. The expansion of this site will enable future development opportunities in the surrounding Tonopah area. We look forward to working with Maricopa County and progressing with this project and respectfully requests your favorable consideration of the submitted documents. I:\TSM Traffic Development\1. Projects\South_West_Valley(South of I10_West of I17)\Lot 14 & Tract A Buckeye Ranch_Z2021139_Buckeye Rd and 355th Ave\1. Traffic Impact Studies\Paloma Creek & NW Properties TS Review 1.doc MCDOT -- TRAFFIC ENGINEERING REVIEW COMMENT SHEET 1 of 1 Project Name: Lot 14 & Tract A Buckeye Ranch Location: North of Happy Valley Rd near 163rd Avenue MCDOT File No.: Z2021139 Date: April 5, 2022 Reviewer: Laxmikanth Narwa Phone No.: 602-506-8677 Consultant: EPS Group Inc. Project No.: Plans Sealed By: Eric R. Maceyko, P.E. Consultant Code: A = Will Comply B = Deleted C = Consultant to Evaluate Item Number Sheet Number Comments Consultant Reply = = = 1 2 = = = General General 1st REVIEW (TS) Consultant: Please use the code and respond to each comment in the Consultant Reply Column. This sheet is for our record, please answer every question and sign and date your acknowledgement or the plans will be sent back to complete the process. Send back the marked-up plans and a new set of plans along with this comment sheet. Thank you for your cooperation. = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = General Project Summary: The proposed development consists of additional well site and future arsenic treatment facility at the existing Global water facility located on Lot 14 & Tract A of Buckeye Ranch at the intersection of Buckeye Road and 355th Avenue in Maricopa County. No new access(s) are proposed for the facility. As per the TS, the new facility is anticipated to generate a total of 8 weekday trips, with 1 total AM peak hour trips and 2 PM peak hour trips. Review Comments: No additional R/W dedication is required for the proposed development (see attached confirmation from MCDOT planning). No half-street improvements are required. As per the TS provided, MCDOT estimates that there is no significant impact on the surrounding MCDOT roadway network due to the traffic generated by the proposed development. Therefore, MCDOT has no further comments on the Study. TS is Approved Signature: _____________________________________ Date: ___________ Use CODE "A", "B","C" in this column next to every comment. = = = = From: Lynndsay ONeill (DOT) To: Stacey Lapp (PND) Cc: Keith Morphis (DOT) Subject: RE: Z2021139 Date: Monday, December 6, 2021 4:17:21 PM Attachments: image004.png image005.png image006.png image007.png Hi Stacy, For Z2021139, the previously mentioned dedication requirements can be removed from MCDOT’s request in order to remain consistent with the remainder of the subdivision on the SWC of Buckeye Road and 355th Avenue. Thank you for reaching out and clarifying this application. Thank you, Lynndsay O’Neill, AICP, CFM Senior Planner Engineering Division O: 602.506.1766 Maricopa County Department of Transportation 2901 W. Durango Street ▪ Phoenix, AZ 85009 lynndsay.oneill@maricopa.gov From: Stacey Lapp (PND) <Stacey.Lapp@Maricopa.Gov> Sent: Monday, December 6, 2021 4:12 PM To: Lynndsay ONeill (DOT) <Lynndsay.ONeill@maricopa.Gov> Subject: Z2021139 Good Afternoon Lynndsay, Item #7 – Z2021139 65’ half width right-of-way dedication is required for Buckeye Road 65’ half width right-of-way is required for 355th Avenue Offsite improvements, roadway requirements and any additional right-of-way needed will be determined by MCDOT Traffic Development and MCDOT Permits based on review of the traffic study Your comments are referenced above for the TAC tomorrow afternoon. Would you please clarify the half width dedication: The subject lot is APN 506-41-234, Lot 14 of Buckeye Ranch Phase 1 replat for which the subdivision half-width dedication is 55’. The applicant will need to do a replat to combine this lot with the Tract A, adjoining parcel 506-41-285. As the subdivision has the 55’ half-width set do you want the 65’ dedication across the frontage of these two lots for the intersection of the two streets as part of the entitlement of the replat for these two lots or leave as is at 55’ to be consistent with the remainder of the subdivision. Stacey A Lapp, P.E., CFM Plans Examiner Engineer Maricopa County Planning & Development 301 W. Jefferson Street, Suite 170 Phoenix, AZ 85003 Desk: 602-506-4717 Stacey.Lapp@Maricopa.gov P&D is now 100% digital. Find information on our new permit process here. Stacey A Lapp, PE, CFM Planning & Development 301 W. Jefferson St., Suite 1070 Phoenix, Arizona 85003 Phone: (602) 506-4717 www.maricopa.gov/planning email address: stacey.lapp@maricopa.gov Maricopa County Planning & Development Department Date: 07/20/2022 Memo To: Darren Gerard, AICP, Deputy Director, Department of Planning & Development Attn: Daniel Johnson, Planner, Planning & Development Services From: Stacey A. Lapp, P.E., CFM Plans Examiner Engineer (Drainage), Planning & Development Services cc: Michael Norris, P.E., Drainage Engineering Manager, Planning & Development Subject: Z2021139 – SUP Major Amendment APN(s): 506-41-285A (new APN); new portion is former APN 506-41-234 PND Engineering has reviewed the 3rd submittal plans and 2nd submittal drainage report for the subject application and have the following comments. We would support approval of this proposal subject to the below stipulations: Drainage Plan and Report Review Comments 1. Maximum retention basin side slopes are 4:1 (not 3:1 as shown). We would accept conditioning the approval as there appears to be adequate additional room on-site. Flood Control District Comments 1. Flood Control District concerns are addressed with this plan. Further review and permitting to occur with the building plan review. PND Transportation Comments 1. Submitted Traffic Impact Statement has been approved by MCDOT. No offsite improvements nor additional right-of-way is needed. Any approval of this case shall include the following standard stipulations: • Retention basin needs to provide for a maximum side slope of 4:1. • Drainage review of planning and/or zoning cases is for conceptual design only and does not represent final design approval nor shall it entitle applicants to future designs that are not in conformance with Section 1205 of the Maricopa County Zoning Ordinance and the Maricopa County Drainage Policies and Standards. • All development and engineering design shall be in conformance with Section 1205 of the Maricopa County Zoning Ordinance and current engineering policies, standards and best practices at the time of application for construction. • Any development in the floodplain will require a floodplain use permit issued concurrent with building permit(s) required for site development. • Driveway access to Papago Street must be paved and will require a permit from MCDOT issued concurrent with building permit(s) required for site development. Drainage flow along the roadway must be maintained. • All retention basins shall drain within 36 hours per County requirements. Please see Form 703, Maricopa County’s Drainage Requirements for Precise Plans, for required Grading & Drainage information. https://www.maricopa.gov/DocumentCenter/View/35758/Zone-Change-Application- Packet-PDF?bidId= The Professional Registrant shall demonstrate compliance with all regulatory requirements and County design standards. Further reviews may prompt additional comments not included in this review. Please contact me if you have any questions or require clarification of these comments. Water and Waste Management Division Subdivision Infrastructure & Planning Program 1001 N. Central Avenue #150 Phoenix, Arizona 85004 Phone: (602) 506-0376 Fax: (602) 506-5813 TDD 602 506 6704 Maricopa County Environmental Services Department DATE: November 12, 2021 TO : Daniel Johnson, Planning & Development Dept. FROM: Souren Naradikian, P.E. Senior Civil Engineer SUBJECT: Buckeye Ranch Arsenic Treatment System SUP Z2021139 The Maricopa County Environmental Services Department (MCESD) has reviewed documents received from the Maricopa County Planning and Development Department for the above referenced project. This project is a request for a Special Use Permit Major Amendment to expand the existing well site and arsenic treatment use of Tract A to Lot 14 of Buckeye Ranch Phase 1. The proposed facility will be located at the southwest corner of 355th Avenue and Buckeye Road. This system will treat groundwater to meet the current arsenic maximum contaminate level required by the Safe Drinking Water regulations. Based on the above, MCESD raised no objection to the Planning & Development Department in Permits Plus on November 12, 2021 and will allow the project to proceed at this time subject to the following stipulations: Stipulations: No construction of the arsenic treatment system can begin prior to the issuance by MCESD of an Approval to Construct. It should be noted that this document does not approve the referenced project. Comments are provided only as advisory to Maricopa County Planning and Development Department to assist staff to prepare a staff report. Other Maricopa County agencies may have additional requirements. Final review and approval will be made through Planning and Development Department procedures. Applicant may need to submit separate applications to the Maricopa County Environmental Services Department for approval of proposed facilities regulated by the Department. Review of any such application will be based on regulations in force at the time of application.