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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
CA0707800 ALL STAR ACADEMY OF DANVILLE NC NR There are no treatment plants CONTRA COSTA   GW
CA0706049 ALOHA CLUB NC NR There are no treatment plants CONTRA COSTA   GW
CA0706014 ANCHOR MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0707501 ANGLER S RANCH #3 C D1 There are no treatment plants CONTRA COSTA   GW
CA0707569 ANGLERS SUBDIVISION 4 C D1 There are no treatment plants CONTRA COSTA   GW
CA0706102 BAY STANDARDS NTNC D1 There are no treatment plants CONTRA COSTA   GW
CA0707589 BELLA VISTA WATER SYS C D1 There are no treatment plants CONTRA COSTA   GW
CA0706037 BETHEL BAPTIST CHURCH NC NR There are no treatment plants CONTRA COSTA   GW
CA0707503 BETHEL HARBOR NC NR There are no treatment plants CONTRA COSTA   GW
CA0706042 BETHEL ISLAND GOLF COURSE & COUNTRY CLUB NC NR There are no treatment plants CONTRA COSTA   GW
CA0707572 BETHEL ISLAND MUTUAL WATER CO C D1 There are no treatment plants CONTRA COSTA   GW
CA0706054 BETHEL MARKET NC NR There are no treatment plants CONTRA COSTA   GW
CA0706032 BETHEL MISSIONARY BAPTIST NC NR T1 CONTRA COSTA   GW
CA0707588 BIG OAK MOBILE HOME PARK WATER C D1 TD CONTRA COSTA   GW
CA0710004 BRENTWOOD C D4 TD CONTRA COSTA   SWP
CA0707570 BRIDGEHEAD CAFE NC NR T1 CONTRA COSTA   GW
CA0707901 BRUNS MEMORIAL AMPHITHEATER NC NR There are no treatment plants CONTRA COSTA   SWP
CA0706110 BYRON AIRPORT NC NR There are no treatment plants CONTRA COSTA   GW
CA0707521 BYRON CORNERS INC NC NR T1 CONTRA COSTA   GW
CA0707595 BYRON INN NC NR There are no treatment plants CONTRA COSTA   GW
CA0706022 BYRON UNITED METHODIST NC NR There are no treatment plants CONTRA COSTA   GW
CA0707598 CAMINO MOBILEHOME C D1 There are no treatment plants CONTRA COSTA   GW
CA0707620 CANYON SCHOOL NTNC D1 T1 CONTRA COSTA   GW
CA0707594 CASA MEDANOS WATER SYSTEM C D1 TD CONTRA COSTA   GW
CA0710011 CCWD/BRENTWOOD WTP C NR T5 CONTRA COSTA   SWP
CA0790002 CENTRAL CONTRA COSTA SANITARY DISTRICT NP There are no treatment plants CONTRA COSTA  
CA0710001 CITY OF ANTIOCH C D4 T5 CONTRA COSTA   SW
CA0790005 CITY OF BRENTWOOD RECYCLING PROJECT NP There are no treatment plants CONTRA COSTA  
CA0710006 CITY OF MARTINEZ C D3 T5 CONTRA COSTA   SWP
CA0710008 CITY OF PITTSBURG C D4 T5 CONTRA COSTA   SWP
CA0707603 CLAYTON PALMS WATER C D1 There are no treatment plants CONTRA COSTA   SWP
CA0707517 COLONIA SANTA MARIA C D1 There are no treatment plants CONTRA COSTA   GW
CA0707542 CONCORD MT DIABLO TRAILRIDE ASSOC. NC D1 TD CONTRA COSTA   GW
CA0710003 CONTRA COSTA WATER DISTRICT C D5 T5 CONTRA COSTA   SW
CA0706031 COUNTRY JUNCTION DELI NC NR There are no treatment plants CONTRA COSTA   GW
CA0706018 CRUISER HAVEN MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0790004 DDSD RECYCLING PROJECT NP There are no treatment plants CONTRA COSTA  
CA0707509 DELTA BAR AND GRILL NC NR There are no treatment plants CONTRA COSTA   GW
CA0707573 DELTA MUTUAL WATER COMPANY C D1 TD CONTRA COSTA   GW
CA0706056 DELTA SPORTSMAN NC NR There are no treatment plants CONTRA COSTA   GW
CA0710007 DIABLO WATER DISTRICT C D3 T2 CONTRA COSTA   SWP
CA0707615 DOUBLETREE RANCH WATER SYSTEM C D1 T1 CONTRA COSTA   GW
CA0707519 DUTCH SLOUGH WATER WORKS C D1 There are no treatment plants CONTRA COSTA   GW
CA0710800 DWR DELTA FIELD DIVISION - BANKS PP NTNC D1 T2 CONTRA COSTA   SW
CA0790001 EBMUD NP There are no treatment plants CONTRA COSTA  
CA0707644 EBRPD ALHAMBRA NC D1 TD CONTRA COSTA   GW
CA0707502 EBRPD BLACK DIAMOND MINES NC D1 TD CONTRA COSTA   GW
CA0706111 EBRPD LITTLE HILLS NC D1 TD CONTRA COSTA   GW
CA0707900 EBRPD MORGAN TERRITORY NC D1 TD CONTRA COSTA   GW
CA0707643 EBRPD OLD BRIONES REGIONAL PARK NC D1 TD CONTRA COSTA   GW
CA0706112 EBRPD ROUND VALLEY WATER SYSTEM NC D1 TD CONTRA COSTA   GW
CA0706029 EXCELSIOR MIDDLE SCHOOL NTNC D1 TD CONTRA COSTA   GW
CA0706005 FARRAR PARK PROPERTY OWNERS C D1 There are no treatment plants CONTRA COSTA   GW
CA0707523 FLAMINGO MOBILE MANOR C D1 TD CONTRA COSTA   GW
CA0707575 FRANKS MARINA C D1 There are no treatment plants CONTRA COSTA   GW
CA0706059 GAS N SAVE NC NR There are no treatment plants CONTRA COSTA   GW
CA0707625 GOLDEN EAGLE SMALL WATER SYSTEM NTNC D1 There are no treatment plants CONTRA COSTA   GW
CA0710002 GOLDEN STATE WATER COMPANY - BAY POINT C D3 T1 CONTRA COSTA   SWP
CA0706034 HOLLAND RIVERSIDE MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0707547 KNIGHTSEN COMMUNITY WATER SYSTEM C D1 TD CONTRA COSTA   GW
CA0706028 KNIGHTSEN ELEMENTARY SCHOOL NTNC D1 There are no treatment plants CONTRA COSTA   GW
CA0790003 LAMORINDA RECYCLED WATER PROJECT NP There are no treatment plants CONTRA COSTA  
CA0707534 LINDQUIST LANDING MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0701707 LOS VAQUEROS INTERPRETIVE CENTER NC D1 T2 CONTRA COSTA   SW
CA0701706 LOS VAQUEROS MARINA BLDG NC D1 T2 CONTRA COSTA   SW
CA0707568 MACS OLD HOUSE NC NR T1 CONTRA COSTA   GW
CA0707564 MARIN FOOD SPECIALTIES NC D1 T1 CONTRA COSTA   GW
CA0707608 MARINA MOBILE MANOR C D1 There are no treatment plants CONTRA COSTA   GW
CA0707532 MCAVOY YACHT HARBOR NC NR There are no treatment plants CONTRA COSTA   GW
CA0707585 MORAGA HEIGHTS MUTUAL WATER C D1 T1 CONTRA COSTA   GW
CA0710300 MOUNT DIABLO STATE PARK NC NR Operator is not required CONTRA COSTA   GW
CA0790007 MT. VIEW SANITARY DISTRICT NP There are no treatment plants CONTRA COSTA  
CA0706015 NEW DOCS MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0706030 NEW LIFE MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0706004 OAKLEY MUTUAL WATER COMPANY C D1 TD CONTRA COSTA   GW
CA0707639 OLD BORGES RANCH WATER SYS NC NR There are no treatment plants CONTRA COSTA   GW
CA0706027 ORIN ALLEN YOUTH REHAB FACILITY NTNC D1 TD CONTRA COSTA   GW
CA0707545 ORWOOD RESORT C D1 There are no treatment plants CONTRA COSTA   GW
CA0707576 PLEASANTIMES MUTUAL WATER CO C D1 There are no treatment plants CONTRA COSTA   GW
CA0710010 RANDALL-BOLD WATER TREATMENT PLANT C NR T5 CONTRA COSTA   SWP
CA0707553 RIVERVIEW MOBILE HOMES C D1 There are no treatment plants CONTRA COSTA   GW
CA0707577 RIVERVIEW WATER ASSOCIATION C D1 There are no treatment plants CONTRA COSTA   GW
CA0707601 RUSSOS MOBILE PARK C D1 There are no treatment plants CONTRA COSTA   GW
CA0707556 SANDMOUND MUTUAL C D1 There are no treatment plants CONTRA COSTA   GW
CA0707597 SANDY POINT MOBILE HOME PARK C D1 There are no treatment plants CONTRA COSTA   GW
CA0707574 SANTIAGO ISLAND VILLAGE C D1 There are no treatment plants CONTRA COSTA   GW
CA0707592 SUGAR BARGE MARINA NC NR There are no treatment plants CONTRA COSTA   GW
CA0707550 SUNSET HARBOR NC NR There are no treatment plants CONTRA COSTA   GW
CA0707915 TESS FARM MARKET NC NR There are no treatment plants CONTRA COSTA   GW
CA0706050 THOMAS DENOVA LLC WATER SYSTEM NTNC D1 TD CONTRA COSTA   GW
CA0710009 TOWN OF DISCOVERY BAY C D3 T2 CONTRA COSTA   GW
CA0790009 TOWN OF DISCOVERY BAY NP There are no treatment plants CONTRA COSTA  
CA0706055 TUGS NC NR There are no treatment plants CONTRA COSTA   GW
CA0706045 WAHL FAMILY WATER SYSTEM NC NR There are no treatment plants CONTRA COSTA   GW
CA0707623 WILCOX STATION RANCH C D1 TD CONTRA COSTA   GW
CA0707617 WILDWOOD ACRES RESORT NC NR There are no treatment plants CONTRA COSTA   GW
CA0707613 WILLOW MOBILE HOME PARK C D1 TD CONTRA COSTA   GW
CA0707507 WILLOW PARK MARINA C D1 TD CONTRA COSTA   GW
CA0707630 WILLOWEST MARINA WS NC NR There are no treatment plants CONTRA COSTA   GW
CA0707602 BEACON WEST C Missing treatment classification in SDWIS CONTRA COSTA   GW
CA0707543 BRENTWOOD MISSIONARY BAPTIST NC There are no treatment plants CONTRA COSTA   GW
CA0707526 CASA DEL RIO WATER SYSTEM NC There are no treatment plants CONTRA COSTA   GW
CA0708006 CECCHINI WATER NC There are no treatment plants CONTRA COSTA   GW
CA0706105 D ANNA YACHT CENTER *CL 2005 NC There are no treatment plants CONTRA COSTA   GW
CA0706101 GOLF CLUB AT RODDY RANCH NC There are no treatment plants CONTRA COSTA   GW
CA0707558 HERTZ WATER SYSTEM C There are no treatment plants CONTRA COSTA   GW
CA0706040 LAST RESORT & MARINA LLC NC There are no treatment plants CONTRA COSTA   GW
CA0706106 LITTORNO & PANFILI WATER SYSTEM NC There are no treatment plants CONTRA COSTA   GW
CA0706108 LONE TREE MEDICAL & DENTAL NC Missing treatment classification in SDWIS CONTRA COSTA   GW
CA0706011 PARK MARINA *CL 10/29/15 NC There are no treatment plants CONTRA COSTA   GW
CA0702185 SUES SWIM SCHOOL NC There are no treatment plants CONTRA COSTA   GW
CA0790006 IRONHOUSE SD WATER RECYCLING FACILITY NP There are no treatment plants CONTRA COSTA