C+S February 2022 Vol. 8 Issue 2 (web)

Mountain Avenue West Recharge Basin


Project Location: San Jacinto, California Category: Water + Stormwater + Wastewater Started: May 1, 2017 Completed: October 10, 2021 Project Budget: $16,180,000

Project Cost: $13,895,059 Project Leadership Team:

• Dudek – Prime Engineering Consultant/Engineer of Record/Drilling Construction Management/Oversight • H&H General Contractors, Inc. – Prime Contractor • Cozad and Fox, Inc.– Surveying Services • Moraes, Pham andAssociates– Electrical Engineering • C Below Surface Imaging– Potholing • Todd Groundwater– Hydrogeology • BC2 Environmental– Hydrogeological Drilling • RF Yeager Engineering– Corrosion Engineer • Converse Consultants – Geotechnical • Helix Consulting – Environmental • Water Systems Consulting – Hydrogeologic Support • DHK Engineers – Noise and Vibration Monitoring • Michael Baker International – Storm Inspections and Reporting • Jacobs Engineering, Inc. – Hydrogeologic Support • Environmental Science Associates – Environmental • Casamar Group – Labor Compliance

Project Overview: The Mountain Avenue West Recharge Basin is a 40-acre recharge facility that is part of the larger San Jacinto Valley En- hanced Recharge and Recovery Program (SJVERRP). Located close to residential neighborhoods, a public park, and critical transportation and utility infrastructure, completion of this project was paramount to reducing the operational risk associated with the recharge facility. This project features three separate basin facilities: one for de-sitting and flow distribution and the other two for recharge operations. The two basins responsible for recharge operations are capable of recharging up to 30,000 acre-feet per year. The project also fea- tures several mitigation and safety features such as rigid dust control measures, embankment slope lining with soil cement to reduce lateral transmission of recharge water and eliminate slope erosion, a perim- eter berm to reduce traffic distractions, basin water monitors tied into a supervisory control and data acquisition system, and eleven groundwater monitoring wells around the site. In addition, the project features perimeter and landscape trail improvements that utilize native, drought tolerant vegetation and a water-efficient dip irrigation system.



February 2022

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