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Home My WebLink AboutCouncil Presentation 08/03/2022 - Water Infrastructure Improvement Plans 2023-2032Water and Water Reclamation Infrastructure Improvement Plans –2023-2032 Jing Luo, PhD, PE –Water Director Erik Christenson, PE –Water Engineering Manager August 2022 New LUA Predicted a Fast Growing Community 2 Water Customers •Total Connections as of May 2022 = 10,285 •In 5 years -Increase by 50% •In 10 years –Increase by 94% Water Reclamation Customers •Total Connections as of May 2022 = 5,926 •In 5 years –Increase by 72% •In 10 years –Increase by 143% 3 New Water Infrastructure Improvement Projects 4 Level of Service •Water •Source •Wells •Treatment •Storage •Reservoirs •Transmission •Booster Stations •Pipelines •Wastewater •Treatment •Conveyance 5 2022 Benefit Areas North Marana IGA Twin Peaks Palo Verde Saguaro Bloom Number of Development Units in the Next 10 Years 6 Saguaro Bloom Palo Verde IGA North Marana Tangerine Business Park HV1 HV2 HV3 Picture Rock Airport Saguaro Bloom Palo Verde IGA 8597 224 1530 107 219 92 40 850 0 546 850 0 546 Twin Peaks 1988 North Marana 8821 7 2022 Benefit Area Growth North Marana IGA Twin Peaks Palo Verde Saguaro Bloom 1,988 5,4688,821 5,112 1,699 85060 0 546 NORTH MARANA PROJECTS 8 Marana Park Reservoir and Well Heritage Park Water Plant East Tangerine 16-inch Pipeline 9 Tangerine Pipeline and Break Tanks C-Zone Booster Station B-Zone Booster Station and Transmission Main Sanders Road 24-inch Honea East Plant Upgrades NWRRDS Booster Station NWRRDS Pipeline NWRRDS Forebay and Marana Independent Booster NORTH MARANA PROJECTS Airport Booster Station Twin Peaks / Picture Rocks 10 Twin Peaks Interconnect Picture Rocks Interconnect Marana Park 11 •1.5 MG Reservoir •$4,566,723 total •$3,566,723 on Impact Fee •1,000gpm Well •$991,302 Heritage Park 12 •Two 900,000 Gallon Reservoirs •1,000gpm well •1,250gpm Booster •$5,328,123 estimated cost The “Loop” 13 •B-zone Booster and Transmission Main •$4,413,278 •B-Zone reservoir •$617,700 •C-Zone Booster •$1,819,375 •Tangerine 16-inch with Break Tanks •$5,307,960 •Tangerine 16-inch at I-10 •$2,634,128 Northwest Recharge, Recovery and Delivery System (NWRRDS) •Partnered NWWRDS Project •$8,506,697 Total •$4,253,348.50 to Impact Fees •Marana Booster at NWRRDS •$4,799,440 Total •$2,399,720 to Impact Fees •Blending Plan •$120,000 •$60,000 to Impact Fees Airport Connection to NWRRDS 15 •New •3,000gpm Airport Booster •1,500gpm NWRRDS Booster Station •SE Well Upgrades •$4,050,163 estimated cost •$2,025,082 to Impact Fee Other Pipelines Projects 16 •Sanders Road 24-inch •$4,878,502 •Twin Peaks Interconnect •$2,901,250 •Picture Rocks Interconnect •$1,544,163 Water Infrastructure Impact Fee Projects –10 Year 17 50% Airport Connection to NWRRDS Pipeline (2PSs and 1 Well Rehab)4,050,163.00$ 2,025,081.50$ 50% Partnered NWRRDS Project 8,506,697.00$ 4,253,348.50$ 50% Marana Booster at NWRRDS 4,799,440.00$ 2,399,720.00$ 50% Blending Plan 120,000.00$ 60,000.00$ B-Zone Booster and Transmission Line 4,413,278.00$ 4,413,278.00$ B-Zone Reservoir 617,700.00$ 617,700.00$ C-Zone Booster 1,819,375.00$ 1,819,375.00$ Tangerine 16" with Break Tanks 5,307,960.00$ 5,307,960.00$ Tangerine 16" at I-10 2,634,128.00$ 2,634,128.00$ Marana Park Well 991,302.00$ 991,302.00$ Marana Park Reservoir 4,566,723.00$ 3,566,723.00$ Sanders Road 24” Pipeline 4,878,502.00$ 4,878,502.00$ Twin Peaks Interconnect 2,901,250.00$ 2,901,250.00$ Picture Rocks Interconnect 1,554,163.00$ 1,554,163.00$ Honea East 216,550.00$ 216,550.00$ Heritage Park Water Plant 5,328,123.00$ 5,328,123.00$ Subtotal:52,705,354.00$ 42,967,204.00$ Projects Est. Impact Fee CostsEst. Project Costs NWRRDS The "Loop" Categories 18 New Water Reclamation Infrastructure Improvement Projects WRF Influent Flow Projection vs. Treatment Capacity 19 0.0 0.5 1.0 1.5 2.0 2.5 3.0 2016201720182019202020212022202320242025202620272028202920302031203220332034203520362022 Est Flows in MGD @140 2017 Est Flows in MGD @140 Flows in Million Gallons per Day (MGD) Marana Water Reclamation Facility (WRF) Phase 2 Expansion•Built in 2018 1.5 MGD •Next Expansion scheduled to be completed by 2027 –3.0 MGD •Build-out is 4.5 MGD •50% to Water Reclamation and 50% to Water Resources Impact Fee Wastewater Improvements 21 North Marana Sewer Interceptor (3-7) Mandarina Offsite Sewer (1 -completed) Moore-Clark Farms Sewer Upgrades (10) Stingray Drive Sewer Upgrades (9) WRF Expansion (8) Gravity Pipe, Lift Station and Force Main (11) Meritage Gravity Sewer (2) Wastewater ImprovementsCIP Cost 22 Notes: •50% of projects#3-7 will be applied to impact fee calculation -$6,957,066 •50% of project #8 (WRF expansion) will be applied to wastewater impact fee calc. -$19,580,556 •50% of the cost of recharge basin expansion will be added -$2,002,383. •Debt services costs will also be factored in for final impact fee calculation. 23 New Water Resource Infrastructure Improvement Projects and Acquisition Recharge Basin Expansion •Estimated cost: $4,004,766 •50% to Water Reclamation •50% to Water Resource Notes: •Debt services costs will also be factored in for final impact fee calculation. 24 Renewable Water Resource Acquisition •Non-Indian Agriculture (NIA) CAP Water •515 acre-feet •$1,072,743 •Other renewable sources •$11,000-$12,000 per AFY (with 100-year assurance) •773 acre-feet •$8,889,500 •Water Resources Master Plan •$435,000 •50% of WRF expansion will be applied to water resources impact fee calc. - $19,580,55625 Project Costs Summary 26 Categories Estimated Project Cost Costs Applied to Impact Fees Percentage to Impact Fees Water Infrastructure Projects $52,705,354 $42,967,204 81.5% Water Reclamation Infrastructure Projects $48,842,121 $41,885,055 85.8% Water Resources Projects $31,980,182 $31,980,182 100% Questions/Discussion 27 Thank You ! Summary of Timeline 28 5/13/2022 Publication of draft LUA and IIP’s 6/23/2022 Stakeholder Outreach Meeting 8/3/2022 Public Hearing for LUA and IIP’s 9/6/2022 Council Action on LUA and IIP’s 9/9/2022 Notice of Intent to Implement Impact Fees 10/18/2022 Public Hearing for Impact Fees 12/6/2022 Council Action for Impact Fees 2/20/2023 Impact Fees Effective (min 75 days from council action)