Drinking Water Division


Return Links

   Water System Search

   County Map
 

Glossary

 

Water Systems Tips on using table  

Hide/show columns: Water System No. | Water System Name | Type | Distribution System Class | Max Treatment Plant Class | Principal County Served | Primary Source Water Type |

Water System No. Water System Name Type Distribution System Class Max Treatment Plant Class Principal County Served Primary Source Water Type
Water System No. Water System Name Type Distribution System Class Max Treatment Plant Class Principal County Served Primary Source Water Type
CA2800014 11:11 WINERY NC NR Operator is not required NAPA   GW
CA2800625 ADVENTIST HEALTH - ST. HELENA HOSPITAL C D1 T1 NAPA   GW
CA2800569 AETNA SPRINGS GOLF COURSE NTNC D1 Operator is not required NAPA   GW
CA2801012 ALPHA OMEGA WINERY NTNC NR There are no treatment plants NAPA   GW
CA2810005 AMERICAN CANYON, CITY OF C D3 T3 NAPA   SW
CA2800074 ANTINORI CALIFORNIA NC NR There are no treatment plants NAPA   GW
CA2801008 ARTESA VINEYARDS & WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2800047 ASHES & DIAMONDS WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2800900 B CELLARS WINERY NC NR There are no treatment plants NAPA   GW
CA2800079 BALDACCI FAMILY VINEYARDS NC NR There are no treatment plants NAPA   GW
CA2803912 BEAULIEU VINEYARD NTNC D1 TD NAPA   GW
CA2800070 BEHRENS FAMILY WINERY NC NR There are no treatment plants NAPA   GW
CA2800071 BELL WINE CELLARS NC NR There are no treatment plants NAPA   GW
CA2801073 BELLA UNION WINERY NC NR There are no treatment plants NAPA   GW
CA2800060 BENNETT LANE WINERY NC NR There are no treatment plants NAPA   GW
CA2801070 BERINGER VINEYARDS NTNC D1 T1 NAPA   GW
CA2800526 BERRYESSA ESTATES (LBRID) C D1 T3 NAPA   SW
CA2810013 BERRYESSA HIGHLANDS C D1 T3 NAPA   SW
CA2810009 BERRYESSA PINES WATER SYSTEM C D1 T2 NAPA   SW
CA2800107 BLACK STALLION WINERY NC NR Operator is not required NAPA   GW
CA2800055 BOUCHAINE VINEYARDS NC NR There are no treatment plants NAPA   GW
CA2800013 BURGESS CELLARS NC NR Operator is not required NAPA   GW
CA2800111 CAIRDEAN WINERY NC NR There are no treatment plants NAPA   GW
CA2801075 CAKEBREAD CELLAR NTNC D1 Operator is not required NAPA   GW
CA2810302 CAL FIRE SONOMA-LAKE-NAPA UNIT HQ NTNC D1 T2 NAPA   GW
CA2800039 CALISTOGA FARM WORKER CENTER C D1 T2 NAPA   GW
CA2810002 CALISTOGA, CITY OF C D3 T3 NAPA   SW
CA2800115 CAMP BERRYESSA NC NR There are no treatment plants NAPA   GW
CA2800543 CAPELL VALLEY ESTATES C D1 T2 NAPA   SW
CA2801028 CARDINALE ESTATE NTNC D1 TD NAPA   GW
CA2890005 CARNEROS INN NP There are no treatment plants NAPA  
CA2800043 CASTELLO DI AMOROSA NTNC D1 Operator is not required NAPA   GW
CA2801076 CAYMUS VINEYARDS NTNC D1 Operator is not required NAPA   GW
CA2800051 CHAPPELLET WINERY NC NR There are no treatment plants NAPA   GW
CA2801004 CHATEAU MONTELENA WINERY NTNC D1 Operator is not required NAPA   GW
CA2801077 CHIMNEY ROCK WINERY NC NR Operator is not required NAPA   GW
CA2800521 CIRCLE OAKS WATER DISTRICT C D1 T2 NAPA   SW
CA2890003 CITY OF AMERICAN CANYON-RECYCLED WATER NP There are no treatment plants NAPA  
CA2890002 CITY OF CALISTOGA WASTEWATER RECLAMATION NP There are no treatment plants NAPA  
CA2890006 CITY OF ST. HELENA RECYCLED WATER PROJEC NP There are no treatment plants NAPA  
CA2801006 CLOS DU VAL WINE CO. NTNC D1 Operator is not required NAPA   GW
CA2801007 CLOS PEGASE WINERY NTNC NR There are no treatment plants NAPA   GW
CA2801009 CONN CREEK WINERY NC NR Operator is not required NAPA   GW
CA2801010 COSENTINO WINERY NC NR Operator is not required NAPA   GW
CA2800683 COUNTRY INN, THE NC NR There are no treatment plants NAPA   GW
CA2810300 CSP - BALE GRIST MILL STATE HISTORIC PAR NC NR There are no treatment plants NAPA   GW
CA2810301 CSP-BOTHE-NAPA VALLEY STATE PARK NC D1 T1 NAPA   GW
CA2800106 CUVAISON CARNEROS NC NR There are no treatment plants NAPA   GW
CA2800064 DAKOTA SHY WINERY NC NR There are no treatment plants NAPA   GW
CA2800041 DARIOUSH WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2801057 DAVIS ESTATES NTNC D1 T1 NAPA   GW
CA2800100 DEL DOTTO WINERY NC NR Operator is not required NAPA   GW
CA2801089 DI ROSA ART PRESERVE NC NR Operator is not required NAPA   GW
CA2801011 DOMAINE CARNEROS NTNC D1 T1 NAPA   GW
CA2800736 DOMAINE CHANDON NTNC D1 T1 NAPA   GW
CA2803911 DOMINUS ESTATE WINERY NC NR There are no treatment plants NAPA   GW
CA2800024 DUCKHORN VINEYARDS NTNC D1 Operator is not required NAPA   GW
CA2800587 DUFFY'S NAPA VALLEY REHAB NC NR T1 NAPA   GW
CA2800101 EHLERS ESTATE NC NR Operator is not required NAPA   GW
CA2800578 ENCHANTED HILLS NC D1 T2 NAPA   SW
CA2800030 ENVY WINES NC NR There are no treatment plants NAPA   GW
CA2801002 ETUDE WINES NTNC NR Operator is not required NAPA   GW
CA2800049 FANTESCA WINERY NC NR There are no treatment plants NAPA   GW
CA2800299 FAR NIENTE WINERY NTNC D1 Operator is not required NAPA   GW
CA2800971 FOLEY JOHNSON WINERY NC NR There are no treatment plants NAPA   GW
CA2801015 FRANK FAMILY VINEYARDS NTNC D1 T1 NAPA   GW
CA2800561 FREEMARK ABBEY WINERY NTNC D1 TD NAPA   GW
CA2800042 FROGS LEAP WINERY NC NR There are no treatment plants NAPA   GW
CA2800033 GAMBLE FAMILY VINEYARDS WINERY NC NR There are no treatment plants NAPA   GW
CA2800554 GENE NORRIS PLAZA NC NR There are no treatment plants NAPA   GW
CA2800742 GOLDEN HAVEN MOTEL NC NR There are no treatment plants NAPA   GW
CA2800008 GOOSECROSS CELLARS NC NR There are no treatment plants NAPA   GW
CA2800536 GRGICH HILLS NTNC D1 There are no treatment plants NAPA   GW
CA2800105 GROTH VINEYARDS & WINERY NC D1 Operator is not required NAPA   GW
CA2800025 HAGAFEN CELLARS NC NR Operator is not required NAPA   GW
CA2801016 HESS WINERY C D1 T2 NAPA   GW
CA2800061 HILLSIDE CHRISTIAN CENTER WATER SYSTEM NC NR There are no treatment plants NAPA   GW
CA2800034 HONIG WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2810001 HOWELL MOUNTAIN MUTUAL WATER COMPANY C D2 T3 NAPA   SW
CA2800970 HOWELL MOUNTAIN SCHOOL NTNC D1 There are no treatment plants NAPA   GW
CA2800063 HUDSON VINEYARDS WINERY WATER SYSTEM NC NR There are no treatment plants NAPA   GW
CA2800018 HUNNICUTT WINERY NC NR There are no treatment plants NAPA   GW
CA2800052 ITALICS WINERY NC NR There are no treatment plants NAPA   GW
CA2803879 JARVIS VINEYARD NC NR Operator is not required NAPA   GW
CA2800050 JOSEPH CELLARS WINERY NC NR There are no treatment plants NAPA   GW
CA2800037 KATHRYN HALL WINERY NC NR Operator is not required NAPA   GW
CA2800021 KENZO WINERY NC NR There are no treatment plants NAPA   GW
CA2899001 KNOLL HOUSE NP There are no treatment plants NAPA  
CA2800525 LA TIERRA HEIGHTS MUTUAL C D1 T1 NAPA   GW
CA2800301 LAIRD FAMILY ESTATE NTNC D1 T1 NAPA   GW
CA2801039 LAIRD WINE STUDIO NC NR There are no treatment plants NAPA   GW
CA2800044 LARKMEAD VINEYARDS NC D1 TD NAPA   GW
CA2800811 LIANA ESTATE NC NR Operator is not required NAPA   GW
CA2800527 LINDA FALLS TERRACE MUTUAL C D1 TD NAPA   GW
CA2800528 LINDA VISTA MUTUAL WATER CO C D1 T1 NAPA   GW
CA2800012 LMR MAIN STREET PARTNERS LLC NTNC D1 TD NAPA   SWP
CA2800032 LOKOYA WINERY NC NR Operator is not required NAPA   GW
CA2800110 MARKHAM VINEYARDS NC D1 Operator is not required NAPA   SWP
CA2800081 MATERRA WINERY NC There are no treatment plants NAPA   GW
CA2800297 MAXVILLE LAKE WINERY NC NR There are no treatment plants NAPA   GW
CA2800621 MAYACAMAS VINEYARDS NC NR There are no treatment plants NAPA   GW
CA2800812 MENDING WALL WINERY NC NR There are no treatment plants NAPA   GW
CA2800530 MEYERS WATER CO. C D1 There are no treatment plants NAPA   GW
CA2801022 MILAT WINERY NC NR There are no treatment plants NAPA   GW
CA2801080 MILTON ROAD WATER COMPANY C D1 There are no treatment plants NAPA   GW
CA2803907 MINER FAMILY WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2800066 MIRA WINERY NC NR There are no treatment plants NAPA   GW
CA2800040 MONDAVI FARM WORKER CENTER C D1 TD NAPA   GW
CA2800740 MONT ST. JOHN CELLARS NC NR There are no treatment plants NAPA   GW
CA2801024 MUMM OF NAPA VALLEY NTNC D1 Operator is not required NAPA   GW
CA2800840 NAPA COUNTY SCHOOLS: POPE VALLEY NTNC D1 T2 NAPA   SW
CA2800531 NAPA RIVER RANCH C D1 T1 NAPA   GW
CA2890001 NAPA SANITATION DISTRICT NP There are no treatment plants NAPA  
CA2800588 NAPA VALLEY COUNTRY CLUB NTNC D1 TD NAPA   GW
CA2800592 NAPA VALLEY MARINA NC NR Operator is not required NAPA   GW
CA2800036 NAPA VALLEY RESERVE WATER SYSTEM NC NR There are no treatment plants NAPA   GW
CA2810003 NAPA, CITY OF C D4 T5 NAPA   SW
CA2800027 NICKEL & NICKEL WINERY NTNC D1 Operator is not required NAPA   GW
CA2800972 NINE SUNS WINERY NC NR There are no treatment plants NAPA   GW
CA2800847 NVUSD: CARNEROS SCHOOL NTNC D1 There are no treatment plants NAPA   GW
CA2800848 NVUSD: STONEBRIDGE SCHOOL NTNC D1 There are no treatment plants NAPA   GW
CA2801936 O'SHAUGHNESSY WINERY NC NR Operator is not required NAPA   GW
CA2801052 OAKVILLE GRADE WINERY NC NR Operator is not required NAPA   GW
CA2800556 OAKVILLE GROCERY CO. NTNC NR TD NAPA   GW
CA2803697 ODETTE ESTATE WATER SYSTEM NC NR There are no treatment plants NAPA   GW
CA2800068 ONE HOPE WINERY NC NR There are no treatment plants NAPA   GW
CA2801026 OPUS ONE WINERY NTNC D1 Operator is not required NAPA   GW
CA2800010 OUTPOST WINES NC NR There are no treatment plants NAPA   GW
CA2800073 OVID NAPA VALLEY NC NR There are no treatment plants NAPA   GW
CA2810012 PACIFIC UNION COLLEGE C D2 T1 NAPA   GW
CA2800112 PCSH, LLC NTNC D1 There are no treatment plants NAPA   GW
CA2801027 PEJU PROVINCE NTNC D1 Operator is not required NAPA   SW
CA2803886 PESTONI FAMILY ESTATE WINERY NC NR There are no treatment plants NAPA   GW
CA2800609 PHELPS VINEYARDS NTNC D1 T1 NAPA   GW
CA2800048 PIAZZA WINERY NC NR There are no treatment plants NAPA   GW
CA2801029 PINE RIDGE WINERY NTNC D1 T1 NAPA   GW
CA2810011 PLEASURE COVE RESORT NC NR TD NAPA   GW
CA2800594 PUTAH CANYON CAMPGROUND NC NR There are no treatment plants NAPA   GW
CA2800058 QUINTESSA WINERY WATER SYSTEM NC NR There are no treatment plants NAPA   GW
CA2800593 R RANCH AT THE LAKE C D1 TD NAPA   GW
CA2801030 RANCHO LA JOTA NC NR There are no treatment plants NAPA   GW
CA2801031 RAYMOND VINEYARD & CELLAR NTNC D1 Operator is not required NAPA   GW
CA2800302 REALM ESTATE NC NR TD NAPA   GW
CA2800035 RIVER RANCH FARM WORKER CENTER C D1 TD NAPA   GW
CA2801032 ROBERT KEENAN WINERY NC NR There are no treatment plants NAPA   GW
CA2801033 ROMBAUER VINEYARDS NTNC D1 There are no treatment plants NAPA   GW
CA2801035 ROUND HILL WINERY NTNC D1 Operator is not required NAPA   GW
CA2801014 RUDD WINES, INC., DBA RUDD NC NR Operator is not required NAPA   GW
CA2800023 RUTHERFORD HILL MUTUAL WATER NTNC D1 TD NAPA   GW
CA2801084 RUTHERFORD HILL WINERY NTNC D1 Operator is not required NAPA   GW
CA2800077 SAINTSBURY WINERY NC NR There are no treatment plants NAPA   GW
CA2801036 SCHRAMSBERG WINERY NTNC D1 Operator is not required NAPA   GW
CA2801037 SEQUOIA GROVE VINEYARDS NTNC D1 Operator is not required NAPA   GW
CA2800046 SHADYBROOK ESTATES WINERY NC NR There are no treatment plants NAPA   GW
CA2800103 SILENUS VINTNERS NC NR Operator is not required NAPA   GW
CA2801038 SILVER OAK WINE CELLARS NTNC D1 Operator is not required NAPA   GW
CA2801041 SILVERADO VINEYARDS NTNC D1 Operator is not required NAPA   GW
CA2801042 SINSKEY WINERY NC NR Operator is not required NAPA   GW
CA2801043 SKYLINE PARK NC NR There are no treatment plants NAPA   GW
CA2800564 SODA CANYON STORE NC NR There are no treatment plants NAPA   GW
CA2800015 SOMERSTON WINERY NTNC NR Operator is not required NAPA   GW
CA2810014 SPANISH FLAT WATER DISTRICT C D1 T2 NAPA   SW
CA2800741 ST. HELENA PURLIEU LLC NTNC D1 There are no treatment plants NAPA   GW
CA2810004 ST. HELENA, CITY OF C D3 T4 NAPA   SW
CA2801046 ST. SUPERY WINERY NTNC D1 Operator is not required NAPA   GW
CA2800017 STAGLIN FAMILY VINEYARD NC NR There are no treatment plants NAPA   GW
CA2801086 STAGS LEAP WINERY NTNC D1 TD NAPA   GW
CA2801047 STAGS LEAP WINE CELLARS NTNC D1 Operator is not required NAPA   GW
CA2800129 STERLING VINEYARDS NTNC D1 T1 NAPA   GW
CA2800059 SUTTER HOME WINERY NTNC D1 T1 NAPA   SWP
CA2800580 SYAR INDUSTRIES NTNC D1 T1 NAPA   GW
CA2801049 THE RANCH WINERY NTNC D1 T1 NAPA   GW
CA2800057 TITUS WINERY NC NR There are no treatment plants NAPA   GW
CA2890004 TOWN OF YOUNTVILLE NP There are no treatment plants NAPA  
CA2810007 TOWN OF YOUNTVILLE C D2 T1 NAPA   SWP
CA2800562 TPWC DBA THE PRISONER WINE COMPANY NTNC D1 T1 NAPA   GW
CA2800026 TRINCHERO WINERY NC NR T1 NAPA   GW
CA2800516 TUCKER ACRES MUTUAL WATER CO. C D1 T1 NAPA   GW
CA2800186 TURTLE ROCK NC NR TD NAPA   GW
CA2800555 TWOMEY CELLARS NC NR Operator is not required NAPA   GW
CA2810650 U.S. BUREAU OF RECLAMATION-LK. BERRYESSA NC D1 T2 NAPA   SW
CA2800020 UPPER VALLEY DISPOSAL SERVICE NTNC D1 There are no treatment plants NAPA   GW
CA2801088 V. SATTUI WINERY NTNC D1 Operator is not required NAPA   GW
CA2800532 VAILIMA ESTATES MUTUAL WATER C D1 There are no treatment plants NAPA   GW
CA2810008 VETERANS HOME OF CALIFORNIA C D2 T3 NAPA   SW
CA2800583 WELCOME GRANGE HALL NC NR Operator is not required NAPA   GW
CA2800054 WHEELER FARMS WINERY NC NR There are no treatment plants NAPA   GW
CA2800589 WHITEHALL LANE WINERY NC NR Operator is not required NAPA   GW
CA2801055 WILLIAM HILL WINERY NTNC D1 There are no treatment plants NAPA   GW
CA2800648 WINE COUNTRY INN NTNC D1 T1 NAPA   GW
CA2800973 WOOLLS RANCH WINERY NC NR There are no treatment plants NAPA   GW
CA2801056 Z D WINES NTNC NR Operator is not required NAPA   GW
CA2800575 CALISTOGA RANCH NTNC D1 Operator is not required NAPA   GW
CA2800538 CARNEROS INN C D1 TD NAPA   GW
CA2801003 CHATEAU BOSWELL NC NR There are no treatment plants NAPA   GW
CA2800298 DBA SILVER ROSE CELLARS NTNC There are no treatment plants NAPA   GW
CA2801020 ESPINOZA WATER SYSTEM C D1 TD NAPA   GW
CA2800508 FAIRWINDS ESTATE WINERY NC NR There are no treatment plants NAPA   GW
CA2800613 LOKOYA REDWOODS C D1 Operator is not required NAPA   GW
CA2800585 MARKLEY COVE RESORT NC NR T2 NAPA   SW
CA2801081 MT. GEORGE ESTATES NC NR There are no treatment plants NAPA   GW
CA2800717 NAPA PIPE REDEVELOPMENT PARTNERS NTNC There are no treatment plants NAPA   GW
CA2800579 NAPA-SOLANO GIRL SCOUTS NC NR Operator is not required NAPA   GW
CA2801025 NEWTON VINEYARD NC NR T1 NAPA   GW
CA2800031 SIGNORELLO WINERY NC NR Operator is not required NAPA   GW
CA2801045 ST. CLEMENT VINEYARDS INC. NC NR There are no treatment plants NAPA   GW
CA2801054 WHITE SULPHUR SPRINGS RESORT NC NR T1 NAPA   GW
CA2800680 WILD HORSE VALLEY RANCH NC NR TD NAPA   GW
CA2890007 AETNA SPRINGS RESORT NP There are no treatment plants NAPA  
CA2890575 CALISTOGA RANCH (RECYCLED WATER) NP There are no treatment plants NAPA  
CA2890641 VINELAND VISTA NP There are no treatment plants NAPA