Water Systems Serving Zip Code 94562
Not sure which system is yours? Most residents in ZIP 94562 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
8 active water systems have this ZIP in EPA records.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| Far Niente Winery | 30 | Groundwater | 3 | |
| Opus One Winery | 100 | Groundwater | 2 | |
| Rudd Wines, Inc., DBA Rudd | 100 | Groundwater | 1 | |
| Tpwc DBA Quarry Lake Winery | 26 | Groundwater | 1 | |
| Oakville Grade Winery | 25 | Groundwater | 1 | |
| Cardinale Estate | 88 | Groundwater | 0 | none on record |
| Groth Vineyards & Winery | 45 | Groundwater | 0 | none on record |
| Gamble Family Vineyards Winery | 40 | Groundwater | 0 | none on record |
Broader Oakville, California Matches
EPA often omits served ZIP codes for large utilities. These systems are tied to Oakville, California based on this ZIP code's city or county.
| Water system | Serves | Source | Violations | What kind |
|---|---|---|---|---|
| City of Napa | 84,804 | Surface Water | 1 | 1 over limit |
| City of American Canyon | 21,437 | Surface Water | 10 | 9 over limit |
| City of Calistoga | 5,610 | Surface Water | 17 | 17 over limit |
| City of St. Helena | 5,386 | Surface Water | 15 | 13 over limit |
| Town of Yountville | 2,787 | Surface Water Purchased | 3 | |
| Pacific Union College | 1,958 | Groundwater | 3 | |
| Howell Mountain Mutual Water Company | 1,240 | Surface Water | 37 | 31 over limit |
| Veterans Home of California | 1,000 | Surface Water | 2 | |
| Adventist Health - St. Helena Hospital | 817 | Groundwater | 0 | none on record |
| Berryessa Highlands | 715 | Surface Water | 24 | 19 over limit |
| Circle Oaks Water District | 500 | Surface Water | 2 | |
| Berryessa Estates (Lbrid) | 474 | Surface Water | 7 | 6 over limit |
| Berryessa Pines Water System | 261 | Surface Water | 12 | 2 over limit |
| Hess Winery | 250 | Groundwater | 4 | |
| Meyers Water Co. | 250 | Groundwater | 4 | 1 over limit |
| Spanish Flat Water District | 230 | Surface Water | 9 | |
| Capell Valley Estates | 208 | Surface Water | 11 | 4 over limit |
| Tucker Acres Mutual Water Co. | 200 | Groundwater | 3 | |
| Linda Vista Mutual Water Co | 90 | Groundwater | 0 | none on record |
| Napa River Ranch | 70 | Groundwater | 23 | |
| La Tierra Heights Mutual | 67 | Groundwater | 7 | |
| Mondavi Farm Worker Center | 66 | Groundwater | 0 | none on record |
| River Ranch Farm Worker Center | 66 | Groundwater | 0 | none on record |
| Calistoga Farm Worker Center | 65 | Groundwater | 0 | none on record |
| Milton Road Water Company | 44 | Groundwater | 19 | 5 over limit |
| Linda Falls Terrace Mutual | 35 | Groundwater | 1 | |
| R Ranch at the Lake | 28 | Groundwater | 8 | |
| Vailima Estates Mutual Water | 25 | Groundwater | 1 | |
| Phelps Vineyards | 19,412 | Groundwater | 1 | |
| Castello Di Amorosa | 833 | Groundwater | 4 | |
| Domaine Carneros | 652 | Groundwater | 2 | 1 over limit |
| Csp-Bothe-Napa Valley State Park | 565 | Groundwater | 2 | |
| Raymond Vineyard & Cellar | 490 | Groundwater | 4 | |
| Sutter Home Winery | 417 | Surface Water Purchased | 0 | none on record |
| Napa Valley Country Club | 400 | Groundwater | 2 | |
| Hillside Christian Center Water System | 311 | Groundwater | 0 | none on record |
| Beringer Vineyards | 300 | Groundwater | 4 | |
| Bella Union Winery | 238 | Groundwater | 2 | |
| Rutherford Hill Mutual Water | 232 | Groundwater | 4 | |
| Enchanted Hills | 206 | Surface Water | 2 | |
| Putah Canyon Campground | 200 | Groundwater | 5 | 4 over limit |
| Domaine Chandon | 200 | Groundwater | 7 | |
| Welcome Grange Hall | 200 | Groundwater | 12 | 1 over limit |
| The Ranch Winery | 200 | Groundwater | 1 | |
| Tpwc DBA the Prisoner Wine Company | 200 | Groundwater | 1 | |
| Bell Wine Cellars | 200 | Groundwater | 0 | none on record |
| Silver Oak Wine Cellars | 188 | Groundwater | 5 | |
| Csp - Bale Grist Mill State Historic Par | 185 | Groundwater | 2 | |
| Schramsberg Winery | 161 | Groundwater | 3 | |
| Clos Pegase Winery | 155 | Groundwater | 2 | |
| Rombauer Vineyards | 150 | Groundwater | 3 | |
| Skyline Park | 150 | Groundwater | 2 | |
| Nickel & Nickel Winery | 148 | Groundwater | 1 | |
| Syar Industries | 130 | Groundwater | 1 | |
| Milat Winery | 128 | Groundwater | 0 | none on record |
| Chateau Montelena Winery | 125 | Groundwater | 3 | |
| Chimney Rock Winery | 122 | Groundwater | 2 | 1 over limit |
| Lewis Cellars | 119 | Groundwater | 5 | |
| Rutherford Hill Winery | 110 | Groundwater | 5 | 1 over limit |
| One Hope Winery | 110 | Groundwater | 1 | |
| Baldacci Family Vineyards | 110 | Groundwater | 0 | none on record |
| Saintsbury Winery | 109 | Groundwater | 2 | |
| Pleasure Cove Resort | 106 | Groundwater | 8 | 1 over limit |
| Laird Wine Studio | 106 | Groundwater | 4 | |
| Napa County Schools: Pope Valley | 100 | Surface Water | 15 | 10 over limit |
| Beaulieu Vineyard | 100 | Groundwater | 4 | 1 over limit |
| Howell Mountain School | 100 | Groundwater | 3 | |
| Gene Norris Plaza | 100 | Groundwater | 2 | 1 over limit |
| Round Hill Winery | 100 | Groundwater | 2 | 1 over limit |
| Sterling Vineyards | 100 | Groundwater | 3 | |
| Nvusd: Stonebridge School | 100 | Groundwater | 2 | |
| Cakebread Cellar | 100 | Groundwater | 1 | |
| Clos Du Val Wine Co. | 100 | Groundwater | 1 | |
| Mont St. John Cellars | 100 | Groundwater | 1 | |
| Duffy's Napa Valley Rehab | 100 | Groundwater | 0 | none on record |
| Silverado Vineyards | 100 | Groundwater | 0 | none on record |
| Cairdean Winery | 99 | Groundwater | 1 | |
| Piazza Winery | 99 | Groundwater | 0 | none on record |
| Z D Wines | 95 | Groundwater | 0 | none on record |
| Davis Estates | 84 | Groundwater | 0 | none on record |
| Artesa Vineyards & Winery | 76 | Groundwater | 1 | |
| Pine Ridge Winery | 75 | Groundwater | 2 | 1 over limit |
| Cathiard Family Estate Winery | 75 | Groundwater | 0 | none on record |
| B Cellars Winery | 74 | Groundwater | 0 | none on record |
| Woolls Ranch Winery | 73 | Groundwater | 1 | |
| Honig Winery | 70 | Groundwater | 0 | none on record |
| Cal Fire Sonoma-Lake-Napa Unit Hq | 65 | Groundwater | 1 | |
| Cosentino Winery | 65 | Groundwater | 1 | |
| Titus Winery | 64 | Groundwater | 2 | |
| Conn Creek Winery | 64 | Groundwater | 0 | none on record |
| Wine Country Inn | 60 | Groundwater | 2 | |
| Dakota Shy Winery | 58 | Groundwater | 8 | |
| Laird Family Estate | 55 | Groundwater | 12 | 1 over limit |
| Freemark Abbey Winery | 55 | Groundwater | 2 | 1 over limit |
| Etude Wines | 50 | Groundwater | 8 | 1 over limit |
| Napa Valley Marina | 50 | Groundwater | 6 | |
| Soda Canyon Store | 50 | Groundwater | 5 | |
| Frank Family Vineyards | 50 | Groundwater | 3 | |
| Mumm of Napa Valley | 50 | Groundwater | 3 | |
| Rancho La Jota | 50 | Groundwater | 3 | |
| Chappellet Winery | 49 | Groundwater | 6 | |
| Materra Winery | 49 | Groundwater | 0 | none on record |
| Napa Valley Reserve Water System | 49 | Groundwater | 0 | none on record |
| Robert Keenan Winery | 48 | Groundwater | 4 | |
| V. Sattui Winery | 45 | Groundwater | 10 | 1 over limit |
| Black Stallion Winery | 45 | Groundwater | 1 | |
| Whitehall Lane Winery | 43 | Groundwater | 2 | |
| Twomey Cellars | 43 | Groundwater | 1 | |
| Caymus Vineyards | 42 | Groundwater | 2 | |
| Ehlers Estate | 42 | Groundwater | 0 | none on record |
| Trinchero Winery | 42 | Groundwater | 0 | none on record |
| Fantesca Winery | 41 | Groundwater | 10 | |
| St. Supery Winery | 40 | Groundwater | 2 | |
| Hudson Vineyards Winery Water System | 40 | Groundwater | 1 | |
| Stags Leap Wine Cellars | 40 | Groundwater | 1 | |
| Behrens Family Winery | 39 | Groundwater | 5 | |
| Wheeler Farms Winery | 39 | Groundwater | 4 | |
| Bouchaine Vineyards | 37 | Groundwater | 6 | |
| Di Rosa Art Preserve | 37 | Groundwater | 2 | |
| U.S. Bureau of Reclamation-Lk. Berryessa | 37 | Surface Water | 2 | |
| Foley Johnson Winery | 37 | Groundwater | 0 | none on record |
| Maxville Lake Winery | 36 | Groundwater | 7 | |
| Ovid Napa Valley | 35 | Groundwater | 4 | |
| Quintessa Winery Water System | 33 | Groundwater | 0 | none on record |
| Joseph Cellars Winery | 32 | Groundwater | 10 | |
| Stags Leap Winery | 32 | Groundwater | 2 | |
| Outpost Wines | 30 | Groundwater | 2 | |
| Lokoya Winery | 30 | Groundwater | 0 | none on record |
| Country Inn, the | 29 | Groundwater | 11 | 1 over limit |
| Somerston Winery | 28 | Groundwater | 3 | |
| Pestoni Family Estate Winery | 28 | Groundwater | 2 | |
| Peju Province | 27 | Surface Water | 5 | |
| Jarvis Vineyard | 27 | Groundwater | 3 | |
| Del Dotto Winery | 27 | Groundwater | 0 | none on record |
| Lmr Main Street Partners LLC | 26 | Surface Water Purchased | 0 | none on record |
| Goosecross Cellars | 25 | Groundwater | 8 | 1 over limit |
| Realm Estate | 25 | Groundwater | 5 | 2 over limit |
| Mayacamas Vineyards | 25 | Groundwater | 10 | |
| Sequoia Grove Vineyards | 25 | Groundwater | 5 | |
| Oakville Grocery Co. | 25 | Groundwater | 4 | |
| Alpha Omega Winery | 25 | Groundwater | 2 | 1 over limit |
| Darioush Winery | 25 | Groundwater | 2 | |
| Hagafen Cellars | 25 | Groundwater | 2 | |
| Kathryn Hall Winery | 25 | Groundwater | 2 | 1 over limit |
| Kenzo Winery | 25 | Groundwater | 2 | |
| Frogs Leap Winery | 25 | Groundwater | 1 | |
| Turtle Rock | 25 | Groundwater | 7 | |
| Cuvaison Carneros | 25 | Groundwater | 4 | |
| Envy Wines | 25 | Groundwater | 4 | |
| Italics Winery | 25 | Groundwater | 4 | |
| Golden Haven Motel | 25 | Groundwater | 3 | |
| Liana Estate | 25 | Groundwater | 3 | |
| O'shaughnessy Winery | 25 | Groundwater | 3 | |
| Odette Estate Water System | 25 | Groundwater | 3 | |
| Shadybrook Estates Winery | 25 | Groundwater | 3 | |
| Silenus Vintners | 25 | Groundwater | 3 | |
| Larkmead Vineyards | 25 | Groundwater | 2 | |
| St. Helena Purlieu LLC | 25 | Groundwater | 2 | |
| Antinori California | 25 | Groundwater | 1 | |
| Burgess Cellars | 25 | Groundwater | 1 | |
| Duckhorn Vineyards | 25 | Groundwater | 1 | |
| Grgich Hills | 25 | Groundwater | 1 | |
| Hunnicutt Winery | 25 | Groundwater | 1 | |
| Mending Wall Winery | 25 | Groundwater | 1 | |
| Miner Family Winery | 25 | Groundwater | 1 | |
| Pcsh, LLC | 25 | Groundwater | 1 | |
| Staglin Family Vineyard | 25 | Groundwater | 1 | |
| William Hill Winery | 25 | Groundwater | 1 | |
| 11:11 Winery | 25 | Groundwater | 0 | none on record |
| Ashes & Diamonds Winery | 25 | Groundwater | 0 | none on record |
| Bennett Lane Winery | 25 | Groundwater | 0 | none on record |
| Biale Winery | 25 | Groundwater | 0 | none on record |
| Camp Berryessa | 25 | Groundwater | 0 | none on record |
| Dominus Estate Winery | 25 | Groundwater | 0 | none on record |
| Markham Vineyards | 25 | Surface Water Purchased | 0 | none on record |
| Mira Winery | 25 | Groundwater | 0 | none on record |
| Nine Suns Winery | 25 | Groundwater | 0 | none on record |
| Upper Valley Disposal Service | 25 | Groundwater | 0 | none on record |