Water Systems Serving Zip Code 94558
Not sure which system is yours? Most residents in ZIP 94558 are likely served by Circle Oaks Water District (population served: 500). Check your water bill for your provider name if you're unsure.
Direct EPA ZIP Matches
62 active water systems have this ZIP in EPA records.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Milton Road Water Company | 44 | Groundwater | 21 | 7 |
| Putah Canyon Campground | 200 | Groundwater | 5 | 4 |
| Berryessa Pines Water System | 261 | Surface Water | 16 | 3 |
| Welcome Grange Hall | 200 | Groundwater | 20 | 2 |
| Laird Family Estate | 55 | Groundwater | 19 | 2 |
| Country Inn, the | 29 | Groundwater | 15 | 2 |
| Etude Wines | 50 | Groundwater | 11 | 2 |
| Pleasure Cove Resort | 106 | Groundwater | 8 | 2 |
| Meyers Water Co. | 250 | Groundwater | 6 | 2 |
| Hagafen Cellars | 25 | Groundwater | 4 | 2 |
| Pine Ridge Winery | 75 | Groundwater | 3 | 2 |
| Kenzo Winery | 25 | Groundwater | 3 | 2 |
| Spanish Flat Water District | 230 | Surface Water | 13 | 1 |
| Mayacamas Vineyards | 25 | Groundwater | 11 | 1 |
| R Ranch at the Lake | 28 | Groundwater | 10 | 1 |
| Sequoia Grove Vineyards | 25 | Groundwater | 7 | 1 |
| Hess Winery | 250 | Groundwater | 4 | 1 |
| Chimney Rock Winery | 122 | Groundwater | 3 | 1 |
| Gene Norris Plaza | 100 | Groundwater | 3 | 1 |
| Napa Valley Country Club | 400 | Groundwater | 2 | 1 |
| Darioush Winery | 25 | Groundwater | 2 | 1 |
| Turtle Rock | 25 | Groundwater | 8 | 0 |
| Laird Wine Studio | 106 | Groundwater | 7 | 0 |
| Lewis Cellars | 119 | Groundwater | 6 | 0 |
| Shadybrook Estates Winery | 25 | Groundwater | 5 | 0 |
| Silenus Vintners | 25 | Groundwater | 5 | 0 |
| Little Lake Mobile Home Park | 38 | Groundwater | 4 | 0 |
| Stags Leap Winery | 32 | Groundwater | 4 | 0 |
| Jarvis Vineyard | 27 | Groundwater | 4 | 0 |
| Italics Winery | 25 | Groundwater | 4 | 0 |
| Enchanted Hills | 206 | Surface Water | 3 | 0 |
| Di Rosa Art Preserve | 37 | Groundwater | 3 | 0 |
| Antinori California | 25 | Groundwater | 3 | 0 |
| Circle Oaks Water District | 500 | Surface Water | 2 | 0 |
| Syar Industries | 130 | Groundwater | 2 | 0 |
| Nvusd: Stonebridge School | 100 | Groundwater | 2 | 0 |
| Black Stallion Winery | 45 | Groundwater | 2 | 0 |
| U.S. Bureau of Reclamation-Lk. Berryessa | 37 | Surface Water | 2 | 0 |
| Burgess Cellars | 25 | Groundwater | 2 | 0 |
| One Hope Winery | 110 | Groundwater | 1 | 0 |
| Clos Du Val Wine Co. | 100 | Groundwater | 1 | 0 |
| Artesa Vineyards & Winery | 76 | Groundwater | 1 | 0 |
| Cosentino Winery | 65 | Groundwater | 1 | 0 |
| Stags Leap Wine Cellars | 40 | Groundwater | 1 | 0 |
| William Hill Winery | 25 | Groundwater | 1 | 0 |
| Hillside Christian Center Water System | 311 | Groundwater | 0 | 0 |
| Bell Wine Cellars | 200 | Groundwater | 0 | 0 |
| Baldacci Family Vineyards | 110 | Groundwater | 0 | 0 |
| Piazza Winery | 99 | Groundwater | 0 | 0 |
| Z D Wines | 95 | Groundwater | 0 | 0 |
| B Cellars Winery | 74 | Groundwater | 0 | 0 |
| River Ranch Farm Worker Center | 66 | Groundwater | 0 | 0 |
| Mondavi Farm Worker Center | 66 | Groundwater | 0 | 0 |
| Calistoga Farm Worker Center | 65 | Groundwater | 0 | 0 |
| Conn Creek Winery | 64 | Groundwater | 0 | 0 |
| Materra Winery | 49 | Groundwater | 0 | 0 |
| Rombauer Sierra Foothills | 44 | Groundwater | 0 | 0 |
| Del Dotto Winery | 27 | Groundwater | 0 | 0 |
| 11:11 Winery | 25 | Groundwater | 0 | 0 |
| Ashes & Diamonds Winery | 25 | Groundwater | 0 | 0 |
| Mira Winery | 25 | Groundwater | 0 | 0 |
| Biale Winery | 25 | Groundwater | 0 | 0 |