Pacheco Reservoir Expansion Project
Sector: Road • Location: Gilroy, California, United States
Source: Gilroy Dispatch
The Pacheco Reservoir Expansion Project aimed to build a dam and expand the water storage capacity in southeast Santa Clara County from about 5,500 acre feet to about 140,000 acre feet. The project intended to safeguard the valley's long-term water supply, improve water quality, benefit the ecosystem, and create new habitat for an endangered steelhead fish species. The project reached the 30% desi
- Status
- Failure
- Sector
- Road, Water Supply and Storage, Hydro, Government
- Location
- Gilroy, California, United States of America
- Updated
- 22 Jul 2026
- Source
- Gilroy Dispatch
ConstructChat
Ask ConstructChat about Pacheco Reservoir Expansion Project
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
Sponsoring Agency |
Status
Original status | suspended |
Taiyo status | Failure |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Pacheco Reservoir Expansion Project aimed to build a dam and expand the water storage capacity in southeast Santa Clara County from about 5,500 acre feet to about 140,000 acre feet. The project intended to safeguard the valley's long-term water supply, improve water quality, benefit the ecosystem, and create new habitat for an endangered steelhead fish species. The project reached the 30% design phase in August 2022 but faced challenges including rising costs, longer environmental review timelines, regulatory uncertainties, and complex permitting processes. |
Original sector | Water Supply |
Budget |
Location
Country | United States of America (USA) |
State | California |
City | Gilroy |
Source
Source | Gilroy Dispatch |
URL |
More Details
Record type | Project |
Sector | Road, Water Supply and Storage, Hydro, Government |
Article published date | 2025-09-16 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project