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HomeMy WebLinkAboutCouncil Presentation - Council Retreat -Feb 2024-Water-FinalMarana Water Supporting pQo Town's Sustainable MARANA AZ Development Jing Luo, PhD, PE - Water Department -now Key Areas of Progress • Water Resources • DAWS Modification • Water Resources Acquisition • Water Conservation Programing • Water/Water Reclamation Infrastructure • Long-range System -wide Planning • "Paper" Capacity at WRF • Infrastructure Project Highlights • Water Quality Challenge • P FAS • Funding Challenges Water Resources �3J Colorado River Shortage Update 2024 Tier i Shortage CAP Delivery System under Tier 1 CAP Supply r M Lake Mead Volume(AF) Surface Elevation Drought Contingency Plan (DCP) Tiers DCP Tier 0 1,090' DCP Tier 1 1,075' ._. ,elected ....................1,050' .................... January t. 2024 DCP Tier 2 ....... _.. ................... 1,026..................... elevation Tier 3 • 1,065.3' Dead Pool ............••••••.................895................... Reduction to CAP Delivery Supply DCP Mitigation ■ Lake Bottom .................CAP Delivery Supply Under Tier 1 'Graprnrs Oro not to Scam and servo only oS a roprosontotion 1,600,000 1,400,000 1,200,000 1,000,000 800,000 600,000 400,000 200,000 0 3,590 3,580 3,570 3,560 3,550 3,540 3,530 3,520 3,510 2024 Mar May Jul Sep Nov 02024 2023 02022 02021 Level Base: MSL Change Since Yesterday: 10.10 Feet Full Pool: 3,700.00 feet Level Controlled by: Dam Name: Powell (DIVISION OF STATE LANDS & FORESTRY) 0 Based on the Jan. 1,2024,projected levelof Lake Mead at 1065.27 feet above sea level,the U.S. Secretary ofthe Interior has declared a Tier lshortage for Colorado River operations in 2024. 2022— Tier lshortage t11 2023 —Tier 2a shortage Marana Drought Stage in 2024 REGIONAL Shortage Tierl LOCAL +4 ft STAGE Stage One • Groundwater Level Decline of 1.0' - 2.0' (Low) • Lake Mead Elevation predicted for January: 1,090 - 1,075 feet (Tier 1) Stage Two Groundwater Level Decline of >2.0' - 3.0' (Moderate) • Lake Mead Elevation predicted for January: 1,075 - 1,045 feet (Tier 2a) Stage Three • Groundwater Level Decline of >3.0' - 4.0' (High) • Lake Mead Elevation predicted for January: 1,045 - 1,025 feet (Tier 2b) Stage Four Groundwater Level Decline of >4.0' (Extreme) • Lake Mead Elevation predicted for January: <1,025 feet (Tier 3) Designation of Assured Water Supply - DAWS C�7 -1566 AFY remaining or 5219 EDU DAWS Modification tol5.,353 AFY *Started Preparing DAWS Modification Application in Sept. 2021 *Application Submitted in May 2022 *Five Iterations, 19 Months *Completeness Letter Received December 22, 2023 - Yay! *Public Comments Period from January 5 - 22, 2024 *Substantive Review Time Frame is 60 days *Anticipated to Receive Final Approval in March 2024 •" "TIE M. HOBBS iHOMAS BUSCHATZKE Governor Drecror ARIZONA DEPARTMENT of WATER RESOURCES 1110 W. WashirgW, St. Suft 310 Phoenix. Arizona 85007-2105 602-771-8621 ar .r.gov T ra Electronic Moil December 22, 2023 Asia Philbui Town ofManoa Water Dept 11555 W. Civic Center Drive Morena, AZ 85653 Re: Application for a Modification of a Designation of Assured Water Supply Town of Marana DR'R File No. $6402254.0002 Dear Ms. Philbin. The above -referenced application was received on May 20, 2022_ After review by the Arizona Department of Water Re es (Department), to application has been determined administratively complete_ Pursuant to ARS_ § 45-578 and the rules adopted under this section, the Department IS requked to publish a public notice of the above referenced application. We have requested that this notice be published In The Daily Territorial on December 29, 2023 and January5, 2024. After the second appearance of the notice, there will be a waling period of 15 days which ends on January 22, 2024. During the 15-day waiting period, any person resting In the Active Management Area may make (mown pertinent ob)ections. D an objection is received, the Director of the Department may hold a hearing at least 60 days, but not more than 90 days from the end of the waiting period. This completeness determination marks the end of the administrative time frame established in AR& §§ 41-1072 through 41-1079 and A.A.C. R12-15401, et seq. The substantive time forme is now In effect. For a designation of assured water supply, the substantive time frame is suety (60) days. During the substantive time frame the Department most make a determination as tothe application's substantive correctess. If the application isdeterminedtobe incorrect or a protest is —wed, to applicant wit be contacted by mad Only Issuance of an incorrect letter causes the time frame to pause until the Department receives an appropriate response_ If you have any questions, please contact Emn Pulfmd at (602) 771-8599 Sincerely, 1—. 71&x David L. McKay Manager, AAWS & Recharge Pemmuting DLM/ecp Reclaimed (1.5 MGD), 11% CAP, 15 New DAWS will Supply up to 50,665 EDUs Misc LA . (LTSC), 2% -JRD, 72% 0 6� 6� '�) U 0 0 0 ONew Goal: To Maximize the Renewable Water Supply Components in our DAWS. Water Bank Account: Projected Water Demand 4,700 5,590 6,480 (AFY)- DAWS Mod. 7,370 7,700 4 Years of 25,000 8,000 17,000 $6,800,000- Reserve $7,650,000 5 years of Reserve E10 32,000 24,000 $9,600,000- $10,800,000 Most Affordable LTSC Purchase - 12.*000 AF • Submitted a Letter of Intent to Tohono O'odham Nation (TON) to Purchase up to 12,000 AF of the LTSC -August 2023 • TON Water Resources Committee approved the proposed Purchase Agreement - early January 2024 • TON Legislative Council Approved the Purchase Agreement - Mid- January 2024 • Will Present in Front Marana Council -February 20, 2024 3- 1250 gpm Pumps (assumes 66% runtime) Santa Cruz River Effluent Recharge Gallery and Booster Station I three- I 2-inch DR13.5 HDPE sized for 1250 Approximat4 2014 10,208 7,213 2,051 - 2750 lin gpm assumes 66% runtime) 2015 4,671 3,575 644 18 (2.8 cfs each) i ALTERNATIVE 2016 5,454 4,337 599 32 one 22-inch DR 13.5 HDPE sized for 3750 2017 6,763 5,683 493 36 qpm assumes 66°b runtime) 2018 8,743 8,169 147 35 (8.4 cfs) 2019 8,669 8,169 1,368 60 2020 14,060 10,713 2,232 104 2021 19,300 15,893 1,776 145 • Received $3M grant from WIFA to develop this project. Must be spent by June 2026 • Long-term lease up to 3,000AFY treated effluent from USBR • Increase reclaimed water recharge/reuse in Tucson AMA • Innovative solution to benefit both Marana and the region Long-term Effluent Lease/Credit Purchase from CMID • Up to 1,800 AFY • CMID is working to acquire treated effluent water right and/or LTSC • Marana continue to work with CMID to lease or purchase the resources MEN ti 41 up T wr Marana Water Reclamation Facility (WRF) • Important renewable water resource • Phase I -1 +680AFY renewable reclaimed water • Phase II - Add another 1 +680AFY reclaimed water Reclaimed (1.5 MGD), 11% CAP, 15% Renewable Water Supplies Misc. (LTSC), 2% 3RD, 72% CAGRD Reliant 0 CMID 12% Sant Cruz River Effluent 19% Misc. (LTSC) 2% Reclaimed (3 MGD)... Renewable Reliant CAGRD 30 CAP 15% Council Discussion: • Council's input on the existing water resources opportunities discussed above. • What additional potential opportunities is the Council aware of, and which ones should we explore? E16 Water Conservation Programing Rebate Program Grant - $242,000 WIFA • Rebates - $125..000 • Smart Water Meter Replacement - $42,000 • Outreach and Public Education - $32..000 • Water Conservation Demonstration Projects - $23,000 • Water Audits - $20,000 • Plus, the Town's matching fund of $60,000 Top Water Use in a Single Family Baths Dishwashers 2% 1% Indoor Leaks Clothes 6% Faucet Flow 9% Showerinj 10% Toilet Flushing 12% Other Indoor Uses 2% • Outdoor Use 50% - Lost and not Reclaimed • Toilet Flushing -12% • Showering -10% • Faucet Flow - 9% • Clothes Washing - 8% High Efficiency Toilets & On -Demand Water Heater Replacing aier5e�� inefficient 3t! toilets with WATERSENSE MODELS ©© saving more than L6$140EAR r costs • Tankless water heaters heat water more efficiently H Eligibility Rainwater Harvesting • Applicants must be single-family residential Marana Water customers with active service. Account must be in good standing. • Applicants must attend an approved Rainwater Harvesting Incentives Program Workshop. • Properties that have already received a rainwater harvesting rebate are not eligible. • For eligible applications, first come, first serve. Requirements • Applicants may apply for two incentive levels (passive and active). Passive systems not exceeding $500, active systems not exceeding $2,000 per property. • Rebate application must be submitted no later than 1 year after the purchase of the product(s). • Applicants receiving rebates for $600 or more will be issued a 1099-MISC for miscellaneous income. Benefits of Harvesting Rainwater Treebudder Conserves water w Decreases your bills 0 Lowers demand on freshwater resources Slows erosion in dry environments Reduces flooding in low-lying areas Rainwater Harvesting - cont'd Incentive Level 1 - Simple/Passive (Rain Garden) • 50% of the cost of eligible materials and labor up to $500 • Practices: Passive earthworks include directing and retaining water in landscape using site appropriate practices such as basins, berms, terraces, swales, infiltration trenches, and curb cuts. Incentive Level 2 - Complex/Active (Rain Tank) • Rebate covers cost of system based on gallon per capacity of tank up to $2,000. • $0.25 per gallon capacity of 50-799-gallon rain tank • $1.00 per gallon capacity of 800 gallon and larger rain tank. H Council Discussion: • Policy decision on the rebate program... • Drought preparedness team recommends water conservation measures and type of rebates to implement... 23 Water/Water Reclamation Infrastructure Improvement 24 Major Focus on Long-range/System-wide Planning Previous Planning Area - Sewer t, m 1 1 1 1 1... 1 1 � 1 NEW WRF 1 NEW WRF 1 SEWER BASIN 1- 1 1 wrwnond 1 1 1 "., EXISTING �/ s• MARANA WRF 1 '•c, l Res. MARANA i — TOWN LIMITS 1 -- I 1 ! 1 1 1 1 ' � 1 � 1 1 ri MARANA SEWER DMA _ a 1 I ` EXISTING WRF J SEWER BASIN s 1 � Current Planning Area - Sewer LEGEND Fetue wRP eaamq wRF C ty aMdtt WRF _ Road Ptah Lnc p snwt easna WRF —ty ere war future war: rwma waF WRF Loratwn L_Den MM County Border WRF Far North Basile (MGD) 0.21 Existing Manna WRF North Basins (MGD) 7.01 Future Southem WRF South Basics (MGD) 4.37 Total (MGD) 11.58 3,500,000 3,000,000 CL 2,500,000 0 U- 2,000,000 N >, 1,500,000 L A� W 1,000,000 Q 500,000 2020 � ADWF to WRF Treatment Capacity High Growth Low Growth — — 127.6 gpd/edu ......• 139.7 gpd/edu Sewer Capacity Assurance Committed capacity approaching design capacity of WRF 2021 2022 2023 2024 From 2020 Sewer Collection Master Plan, 139.7 gpd/edu Based upon current effluent production rate, 127.6 gpd/edu .. Low growth projection 2025 2026 2027 2028 High growth projection November Meeting with ADEQ • Met with ADEQ leadership on Nov. 28, 2023 • New policy that allows municipalities to continue issuing Construction Authorization if can provide the planned expansion accompanying with permit application submitted to ADEQ. • Marana Water has planned expansion of its phase II WRF and recharge facility. • Moving full steam ahead with design and permitting • Work with PDEQ to get a "Certificate of Approval of Proposed Plan with Stipulations" ADEQ Water Quality Division ADEQ t"= "urE �•" : .fe.",•;r,a,mrnral(hiah"' Substantive Policy Page 1 of4. Capacity Assurance Certification for Policy No. ****.2023 APP Type 4.01 General Permits of Sewage Collection Systems Effective: TBD This Substantive Policy statement is advisory only. A substantive policy statement does not include internal procedural documents that only affect the internal procedures of the agency and does not impose additional requirements or penalties on regulated parties or include confidential information or rules made in accordance with the Arizona Administrative Procedure Act. If you believe that this substantive policy statement does impose additional requirements or penalties on regulated parties, you may petition the agency under Arizona Revised Statutes section 41-1033 for a review of the statement. 1.0 Purpose Pursuant to A.R.S. § 41-1001(22), "substantive policy statement" means a written expression which informs the general public of an agency's current approach to, or opinion of, the requirements of the federal or state constitution, federal or state statute. administrative rule or regulation, or final iudament of a court of competent „ ¶ �,yc�o ^ems 9 ¶�CO U NTy� pate:D November30; 3023D Owner:o City -of Goodyeara EnvironmentalServices-Departa—M Water and Waste Management Divisionl Water/Wastewater-Treatment Progra- 301 W.-Jefferson-St., Suite 170 1- Phoenix; Arizona-850034 P: 602.506.1069 1'Etreatmentplantprogram@mancopa.govl Marewpa.gox�l MCESD-Project#: 2023071. W WS-ID #: 04-37-019. CERTIFICATE -OF -APPROVAL -OF -PROPOSED -PLAN WITH-STIPULATIONSI 1 DESCRIPTION: 9 The-City-of-Goodyearhasrequested-thatthe-capacity-of-the-157'h-Ave: WRF-(GWRF)-be-re-rated-oman-average- day.max-month.(ADMM).basis..--The. basis of -the. request associated- with. this. project; Project.#2023071,. are. twofold: -One-part-of-the-requestis-based-omthe-facility-being-constructed-with-a-peak-hour peaking-factorof2. applied -to -a 6.0 mgd-Average Day -(AD) design; resulting- in a 12.0-mgd hydraulically rated components existing - within -the -facility: -The-second-part-is-associated-with-a-requestto-eliminate-required-dry-and-wetweatherpeaking- factors on, select flow. streams. associated. with. Microsoft Data. Centers; the. Goodyear. Water -Treatment. Facility. (GWTF); and -brine associated-with-reverse-osmosis.((RO)-treatmem-at-Wells-Nos:19, 21; 22,-26; and-Site-12:.There- is-no-new-construction-work-associated-whh-this-request.-9 This paragraph - approves. a. re -rating of. capacity. based- upon the. previous. AOC. certificate. associated. with Marana Water Reclamation Facility (WRF) • Phase I expansionl.5 MGD completed in 2018 • Phase II expansion to 3.0 MGD is scheduled to be completed by 2027 • Design will start in FY2024 - currently negotiating design contract East Tangerine 16" X-Zone Transmission Line: Substantially Completed \ \ NEW,16' DI PIPE BEGIN PHASE 1 ECT EN D�PHASE 1 PROJECT I1111 y1 ETA 449+90.96, 45.00' LT a a ST 447+19.63, 43: 2 T 12 w ♦ �� B� hpx a � b ti pp oo z "W- �K \ ♦ � 4 6hx Z ( Q \Q J •t t. 4 o e '$70WNSHIP 1/1SgNE 6" 01 PWE ,j, W�S��``` s�^ T .N HIP 12S F — 16 DI PIPE � /x �s ♦ ♦ ♦ ♦ (PHASE 2) r9�,�� Phase 1 - WT053a ;z Ja Y N 2 ♦ \ ♦ fnmm knry - �1d_TI., rs w�:: y ti 1<0 SHEET INDEX PLAN ��t�dmrx •��,c„y - - , Scale: 1"=400' _ Filllm ♦'a _ , , ,n � ♦ 8 ♦. BEGIN PHASE 2 PROJECT� \ w " - - - - - - ` $ • - t STA 447+19.63. 43.62' LT \ \ w z O `} NEW 12' DI PIPE zz Fr P ¢ pp F I F �♦ Sx !L NEW 6" -tpO w END PHASE 2 PROJECT \ O DI PIPE. jQ N 'a N STA 519+33.5}, ♦ ♦ + + + + I + + + + + + + o b�O in Ilk 3 pop < �L AR �/ < V p 14 FUTURE DRAINAGE' F _'��rrG Era resery� 2P NEW 12' DI PIPE NEW 12" DI PIPE STRUCTURE CROSSING TOWNSHI�P�11S T W�HIP 12 — + o Wt4 0.�a + + + =n I �i�� / ♦ ♦ sry� \ \ NE 16" DI PIPE n W6 W7 W7 WB wB Wy W9 WI7 WI W1 x AoII ♦\♦ ♦\\ \\ I 111 SHEET INDEX PLAN Phase 2 - W T05 3 b Scale: 1 "=400' Marana Park Reservoir/Well Projec • 1.5 MG reservoir and a 1000g p m well • Estimated cost: $4,558,025 • W I FA loan $1,000,000 with $500,000 Forgivable • Construction started February 2023 �.w _ .. IJrtJ' '� ��_,- i- .sue. T 1 • - . .and. _- '-.� r( "lookAF +,: —r-- ��"� 1. � __ �•""'' �� I� — = ! *\ `N&A Sg . f 1 a ` l �3 t;. / Water Quality Challenge -PEAS 32 Wells and Systems Impacted by HAS (not currently treated) 200 180 Q, 16o 140 0 120 4-1 100 � go _ aU 6o U 0 40 — lJ 20 0 aoa, a�a-'� �, �% a�o�1 �a�� �a, Q' a�a� �azc �a�� �ah��eh� �o�' J�a� aa�\o ���� �ta' o .\�0 `OP `OP Q� `Op c 4 `OP ■ PFOS ■ PFOA ■ PFBS ■ PFHpA Qa �a �a �a ■ PFHxS ■ PFHxA Q J`' PFNA ■ PFDA 2024 E 2025 Compliance Schedule 2026 2027 r� • 2029 Existing Water Treatment Campuses • The Airline Lambert Water Treatment • The Picture Rocks Water Treatment Campus Campus • Wells treated include: • Wells treated include: • Continental Reserve # 1 • Saguaro Bloom #1 • Capacity: 1,400 gpm • Capacity: 1,100 gpm • Continental Reserve #2 • Saguaro Bloom #2 Capacity: 1,000 gpm • Capacity: 1,000 gpm -dei �35 Existing and Proposed PFAS Treatment Sites 1. Centralized treatment @ Marana Park - • Marana Park Well • Gladden Farms Well • Sandario Well • WIFA has Approved $7.1 M Loan to Mar first phase 2. Wellhead treatment @ Pioneer Well - Exist! 3. Centralized treatment @ Heritage Park - Ft • Honea East Well • Honea West Well • New Heritage Park Well 4. Centralized treatment @ Airport NW - Potei • Airport NW Well • Airport SE Well • NWRRDS San Lucas San Lucas Booster 2 g Site Sandario\ Marana Park Gladden Farms 1 6. a for ®N h Ho ea E Airport NW Site Air r 1 I i Airport SE Saguaro Bloom � Saguaro Bloom 2 ' 1 IN M7 Vj Rd Palo Verde , I ; 1 ' � 1 1 , i Tangerine Business Park ...- 1 j La Pu 1 i al Future - Continental Reserve #2 P-1. R—R. Wade Road r-4 stimated Costs: P*,$57M i I 1 :_--- - - I _-- ------R r� ti i t"L-1 1 Blue Bonnet Hartman Vista Booster I 1e #1 -_ Cortaro E,.:. �.r 'I C— F—. F � 1 1 ` Oshrin n Springs' , 1 1 4� 1-- Picture Rocks 1 i � Funding E37 Funding Opportunities: • Obtained a total of close to $12M of grant or forgivable principle • Received 11M (w/$0.5M FP) WIFA Loan, construct Marana Park Reservoir • Received 54.45M (w/$3.45M FP) WIFA loan, construct of the two interconnects • Approved by WIFA i7.1M (w/$4.5M FP) WIFA loans, design and construct of HAS Treatment at Marana Park • Received $3M WIFA grant to develop SCR Effluent Recharge • Received '242K WIFA grant for rebate and water conservation • Potential HAS lawsuits settlements ($5-7.5M) from 3M and Dupont Funding Challenges: • Increasing project construction costs • Cash flow gaps - timing • Impact fees with the on -going SAHBA lawsuit • Water rate increase Council Discussion: • How to make sure new developments pay for new infrastructures? 10 • How to mitigate cash flow gaps of major impact fee projects? • How to pay for PFAS treatment projects? E4O A .yam e� - �' ,� ►'�,sr�' _, � � •. - Am IV ® !� 4 ,� .•,,z • ,�_-,.� _sew-: �- Proposed --�Stonegate Lift Station h � Parallel24-inch" Gravity Sewer J \ r. I 4L �►�:. • Basin 20 Proposed • 1,300 Acres Lift Station • Estimated Flow = 520 m ~��`•�.``- -�" J p t, ate 10'' Force h Main -1111i Land Uses. • Commercial • Employment • Master Planned Area • Special Planning Area r. CAP Canal Gravity Main - Size and alignment TBD 0