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Inland Empire Utilities Agency Chino Basin Program

Forecast
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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The Inland Empire Utilities Agency is implementing the Chino Basin Program, a conjunctive use water project designed to treat and store up to 15,000 acre-feet per year of new water supply over a 25-year period. This initiative supports the State Water Project by providing water blocks of up to 50,000 acre-feet per year during dry years to benefit the Feather River ecosystem. The program is funded by Proposition 1 and involves infrastructure primarily located in the northern Chino Groundwater Basin in San Bernardino County. As part of this program, the agency is designing and constructing an Advanced Water Purification Demonstration Facility in Rancho Cucamonga. This 100 gallon per minute facility will replicate the full-scale plant to optimize final design, ensure regulatory compliance, and serve as an educational tool for the public. The project has been cleared under the California Environmental Quality Act via an addendum to the 2022 Chino Basin Program PEIR, with Notices of Determination filed across Riverside, San Bernardino, and Los Angeles counties. The project received conditional funding of 269 million dollars as of August 2025.

General Info

IEUA is building a water purification facility for the Chino Basin Program.

Agency

California → Inland Empire Utilities Agency

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Center of Basin is located near intersection of Haven Avenue and Mission Blvd., CA

Set-Aside

NONE

Documents

0

No documents available

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Timeline

2 updates
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Posted

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Notice updated

The notice description changed. The point of contact changed.

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Organization & Contact Information

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AgencyCalifornia → Inland Empire Utilities Agency
Contacts1 person available
OfficeN/A
Organization / AgencyCalifornia → Inland Empire Utilities Agency
Office AddressN/A
Contacts
Elizabeth HurstChino Basin Program Manager
contact@example.gov
+1 (555) 000-0000

Full Description

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At the present time, tertiary treated water is currently discharged to the Santa Ana River watershed from four IEUA WWTPs, including: • Regional Water Recycling Plant No. 1 (RP-1); • Regional Water Recycling Plant No. 4 (RP-4); • Regional Water Recycling Plant No. 5 (RP-5); and • Carbon Canyon Water Recycling Facility (CCWRF). IEUA’s four WWTPs currently discharge to four points upstream of Prado Dam: • RP-1 and RP-4 to Prado Park Lake, tributary to Chino Creek thence to the Santa Ana River in Prado Basin; • RP-1 and RP4 to Cucamonga Creek, tributary to Chino Creek thence to the Santa Ana River in Prado Basin; • RP-5 to Chino Creek, tributary to the Santa Ana River, approximately 5.5 river miles upstream of Prado Dam; and, • CCWRF to Chino Creek, tributary to the Santa Ana River, approximately 7.2 river miles upstream of Prado Dam. IEUA is proposing to reduce present discharges by 9,992 acre-feet per year (afy), which is an approximately 45 percent reduction of baseline average annual WWTP discharges. IEUA is also proposing to continue to discharge a minimum of 7,038 afy of treated wastewater to the Santa Ana River watershed, which is approximately 30 percent of baseline average annual WWTP discharges. The reduction in discharge to the Upper Santa Ana River watershed above Prado Dam would be from all four discharge points, but could vary in actual time based on future wastewater treatment volumes at these WWTP’s. More information is provided immediately below regarding IEUA Recycled Water generation and use. After considering the available options for complying with CEQA regarding the above described project modifications, the IEUA concluded that compiling an Addendum to the certified 2026 CBP Recirculated Final Program Environmental Impact Report (RFPEIR) would be the most appropriate way to comply with CEQA for the proposed project modifications. This approach justified the preparation of an Addendum to comply with CEQA for the proposed Modified Project. No other changes to the project evaluated in the 2026 CBP RFPEIR (Original Project) are envisioned at this time under the Addendum.

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