Water Systems Serving Zip Code 94559
Not sure which system is yours? Most residents in ZIP 94559 are likely served by City of Napa (population served: 84,804). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
18 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Berryessa Highlands | 715 | Surface Water | 50 | 38 |
| Berryessa Estates (Lbrid) | 474 | Surface Water | 13 | 12 |
| Napa River Ranch | 70 | Groundwater | 35 | 3 |
| City of Napa | 84,804 | Surface Water | 3 | 3 |
| Veterans Home of California | 1,000 | Surface Water | 2 | 1 |
| Domaine Carneros | 652 | Groundwater | 2 | 1 |
| Napa Valley Marina | 50 | Groundwater | 9 | 0 |
| Bouchaine Vineyards | 37 | Groundwater | 9 | 0 |
| Soda Canyon Store | 50 | Groundwater | 8 | 0 |
| Cuvaison Carneros | 25 | Groundwater | 5 | 0 |
| Csp - Bale Grist Mill State Historic Par | 185 | Groundwater | 4 | 0 |
| Saintsbury Winery | 109 | Groundwater | 3 | 0 |
| Csp-Bothe-Napa Valley State Park | 565 | Groundwater | 2 | 0 |
| Skyline Park | 150 | Groundwater | 2 | 0 |
| Mont St. John Cellars | 100 | Groundwater | 1 | 0 |
| Hudson Vineyards Winery Water System | 40 | Groundwater | 1 | 0 |
| Silverfork Mutual Water | 114 | Groundwater | 0 | 0 |
| Camp Berryessa | 25 | Groundwater | 0 | 0 |