Contra Costa County, California trout stocking
California stocks 1 water in Contra Costa County (1 lake or pond). The most recent stocking was Hidden Valley Pond, 7 months ago (Mar 1, 2026). Most stockings here come in January to March and December.
When Contra Costa County is stocked
Stocked waters in Contra Costa County
| Water | Type | Last stocked | On record | Species |
|---|---|---|---|---|
| Hidden Valley Pond | pond | Mar 1, 2026 | 4 |
Other California counties
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