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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
CA4000725 141 SUBURBAN ROAD WATER SUPPLY NTNC D1 SAN LUIS OBISPO   GW
CA4000744 AFUERA DE CHORRO WATER COMPANY C D1 SAN LUIS OBISPO   GW
CA4000631 ALMIRA WATER ASSOCIATION C D1 SAN LUIS OBISPO   GW
CA4000823 ARONHILL VINEYARD NC NR SAN LUIS OBISPO   GW
CA4000784 ARROYO GRANDE MUSHROOM FARM NTNC D1 SAN LUIS OBISPO   GW
CA4010001 ARROYO GRANDE, WATER DEPARTMENT C D4 T2 SAN LUIS OBISPO   SWP
CA4010002 ATASCADERO MUTUAL WATER CO C D4 T2 SAN LUIS OBISPO   GW
CA4010832 ATASCADERO STATE HOSPITAL C D2 TD SAN LUIS OBISPO   GW
CA4000222 AVILA BEACH COMMUNITY SERVICES DISTRICT C D1 SAN LUIS OBISPO   SWP
CA4090013 AVILA BEACH CSD - RW NP SAN LUIS OBISPO  
CA4000716 AVILA VALLEY MUTUAL WATER CO C D1 SAN LUIS OBISPO   SWP
CA4000644 BABE RUTH'S OAK VIEW NC NR SAN LUIS OBISPO   GW
CA4000209 BALL TAGAWA GROWERS NTNC D1 SAN LUIS OBISPO   GW
CA4000214 BARON CANYON MUTUAL WATER CO. C D1 SAN LUIS OBISPO   GW
CA4000200 BASSI RANCH MUTUAL WATER CO. C T1 T1 SAN LUIS OBISPO   GW
CA4090005 BAYWOOD PARK/ LOS OSOS - RWP NP SAN LUIS OBISPO  
CA4000660 BEAR VALLEY WATER COMPANY C D1 SAN LUIS OBISPO   GW
CA4000733 BIDDLE REGIONAL COUNTY PARK NC NR SAN LUIS OBISPO   GW
CA4000675 BRANCH ELEMENTARY SCHOOL NTNC D1 SAN LUIS OBISPO   GW
CA4000640 CAL SHASTA CLUB NC SAN LUIS OBISPO   GW
CA4010830 CALIFORNIA MENS COLONY C D3 T3 SAN LUIS OBISPO   SW
CA4090001 CALIFORNIA MENS COLONY - RW NP SAN LUIS OBISPO  
CA4000805 CALLENDER GROVE MUTUAL WATER C T1 SAN LUIS OBISPO   GW
CA4010900 CALTRANS - SHANDON REST STOP NC TD TD SAN LUIS OBISPO   GW
CA4010014 CAMBRIA COMM SERVICES DIST C D2 T3 SAN LUIS OBISPO   GW
CA4090015 CAMBRIA CSD - RECYCLED WATER NP SAN LUIS OBISPO  
CA4000230 CANYON CREST MUTUAL BENEFIT WC C D1 SAN LUIS OBISPO   SWP
CA4000732 CARRISA PLAINS ELEMENTARY NTNC D1 SAN LUIS OBISPO   GW
CA4010006 CAYUCOS BEACH MUTUAL WATER COMPANY C D1 TD SAN LUIS OBISPO   SWP
CA4000757 CERRO ALTO CAMPGROUND NC NR SAN LUIS OBISPO   GW
CA4000642 CHRISTMAS COVE NC NR SAN LUIS OBISPO   GW
CA4090017 CITY OF PASO ROBLES RECYCLED WATER NP SAN LUIS OBISPO  
CA4090018 CITY OF PISMO BEACH RECYCLED WATER NP SAN LUIS OBISPO  
CA4090002 CITY OF SAN LUIS OBISPO, SANITATION DEPT NP SAN LUIS OBISPO  
CA4000809 CONGREGATION BETH DAVID NC D1 SAN LUIS OBISPO   GW
CA4000752 COPELAND'S PROPERTIES NTNC D1 SAN LUIS OBISPO   GW
CA4000637 COUNTRY HILLS ESTATES C D1 SAN LUIS OBISPO   GW
CA4000590 COUNTY OF MONTEREY-LAKE NACIMIENTO NTNC T1 T1 SAN LUIS OBISPO   GU
CA4000210 CRESTON COUNTRY STORE NC NR SAN LUIS OBISPO   GW
CA4000693 CRESTON ELEMENTARY SCHOOL NTNC D1 SAN LUIS OBISPO   GW
CA4000598 CUYAMA LANE WATER COMPANY NTNC D1 SAN LUIS OBISPO   GW
CA4090006 CYPRESS RIDGE DEVELOPMENT RW NP SAN LUIS OBISPO  
CA4000825 DAOU VINEYARDS, LLC NC NR SAN LUIS OBISPO   GW
CA4000817 EAST AIRPORT FIERO LANE WATER COMPANY NTNC T1 SAN LUIS OBISPO   GW
CA4000202 EDNA VALLEY RANCH EAST C D1 SAN LUIS OBISPO   GW
CA4000819 EDNA VALLEY VINEYARDS NTNC D1 SAN LUIS OBISPO   GW
CA4000671 ELKS LODGE #322 NTNC T1 T1 SAN LUIS OBISPO   GW
CA4090003 EMERALD HILLS ESTATES RW NP SAN LUIS OBISPO  
CA4090012 FIERO LANE RECYCLED WATER COMPANY NP SAN LUIS OBISPO  
CA4000722 FIERO LANE WATER COMPANY, INC. NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000507 GARDEN FARMS C.W.D. C T1 T1 SAN LUIS OBISPO   GW
CA4000224 GARL, KEITH NTNC SAN LUIS OBISPO   GW
CA4010023 GOLDEN STATE WATER COMPANY - EDNA C D2 T2 SAN LUIS OBISPO   GW
CA4010017 GOLDEN STATE WATER COMPANY - LOS OSOS C D2 TD SAN LUIS OBISPO   GW
CA4010018 GOLDEN STATE WATER COMPANY - NIPOMO C D2 T1 SAN LUIS OBISPO   GW
CA4010040 GOLDEN STATE WATER COMPANY-CYPRESS RIDGE C D2 T2 SAN LUIS OBISPO   GW
CA4000700 GRANITE RIDGE NC D1 SAN LUIS OBISPO   GW
CA4000554 GREEN RIVER MUTUAL WATER CO. C D1 SAN LUIS OBISPO   GW
CA4000211 GREENHEART FARMS NTNC D1 SAN LUIS OBISPO   GW
CA4010004 GROVER BEACH WATER DEPARTMENT C D3 T1 SAN LUIS OBISPO   SW
CA4000555 GUADALUPE COOLING COMPANY NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000741 H2O, INC C D1 SAN LUIS OBISPO   GW
CA4000501 HALCYON WATER SYSTEM C T1 T1 SAN LUIS OBISPO   GW
CA4000747 HALFWAY STATION NC SAN LUIS OBISPO   GW
CA4010301 HEARST MEMORIAL STATE BEACH NC D1 T2 SAN LUIS OBISPO   GW
CA4010300 HEARST MONUMENT STATE PARK NTNC D2 T2 SAN LUIS OBISPO   SW
CA4010012 HERITAGE RANCH CSD C D2 T3 SAN LUIS OBISPO   SW
CA4000563 HIGUERA APARTMENTS C D1 SAN LUIS OBISPO   GW
CA4000730 HOLDGRAFER & ASSOCIATES NTNC D1 SAN LUIS OBISPO   GW
CA4000770 HORIZON LANE WATER SUPPLY NTNC D1 SAN LUIS OBISPO   GW
CA4000788 HUNTER RANCH GOLF COURSE NC NR SAN LUIS OBISPO   GW
CA4000824 INN AT OPOLO KITCHEN, THE NC NR SAN LUIS OBISPO   GW
CA4000203 IRISH HILLS MUTUAL WATER CO C D1 T1 SAN LUIS OBISPO   GW
CA4000768 J M SIMS WATER SUPPLY NTNC D1 SAN LUIS OBISPO   GW
CA4000673 JACK RANCH CAFE NC NR SAN LUIS OBISPO   GW
CA4000648 KEN MAR GARDENS C D1 SAN LUIS OBISPO   GW
CA4000820 KUKKULA INC NC NR SAN LUIS OBISPO   GW
CA4000221 LAETITIA VINEYARD & WINERY INC NTNC D1 SAN LUIS OBISPO   GW
CA4000705 LAGUNA NEGRA MUTUAL WATER CO. C D1 SAN LUIS OBISPO   GW
CA4000664 LAGUNA VISTA BOAT CLUB NC NR SAN LUIS OBISPO   GW
CA4000815 LAS VENTANAS RANCH C D1 SAN LUIS OBISPO   GW
CA4000206 LAUREATE WATER COMPANY NTNC D1 SAN LUIS OBISPO   GW
CA4000219 LINKS AT VISTA DEL HOMBRE, THE NC D1 SAN LUIS OBISPO   GW
CA4000708 LOADING CHUTE NC NR SAN LUIS OBISPO   GW
CA4000707 LONGBRANCH SALOON, THE NC NR SAN LUIS OBISPO   GW
CA4010022 LOPEZ PROJECT C D3 T4 SAN LUIS OBISPO   SW
CA4000701 LOPEZ RECREATION AREA NC D1 SAN LUIS OBISPO   GW
CA4010016 LOS OSOS COMMUNITY SERVICES DISTRICT C D2 T2 SAN LUIS OBISPO   GW
CA4090010 LOS OSOS CSD - WWTP NP SAN LUIS OBISPO  
CA4000649 LOS ROBLES MOBILE HOME ESTATES C D1 SAN LUIS OBISPO   GW
CA4000780 MADONNA INN WATER COMPANY NTNC D1 SAN LUIS OBISPO   GW
CA4000650 MESA DUNES MOBILE HOME ESTATES C D1 TD SAN LUIS OBISPO   GW
CA4090004 MONARCH GROVE RECYCLED WATER NP SAN LUIS OBISPO  
CA4010305 MONTANA DE ORO STATE PARK NC D1 TD SAN LUIS OBISPO   SW
CA4000808 MONTE SERENO MUTUAL BENEFIT WATER C T1 T1 SAN LUIS OBISPO   GW
CA4010011 MORRO BAY PW DEPT - WATER DIVISION C D3 T2 SAN LUIS OBISPO   SWP
CA4090016 MORRO BAY RECYCLED WATER SYSTEM NP SAN LUIS OBISPO  
CA4010015 MORRO ROCK MUTUAL WATER CO C D2 TD SAN LUIS OBISPO   SWP
CA4000775 MUSTANG SPRINGS MUTUAL WATER C T1 T1 SAN LUIS OBISPO   GW
CA4000623 MUTUAL WATER ASSOCIATION NTNC D1 SAN LUIS OBISPO   GW
CA4010027 NACIMIENTO WATER COMPANY C D2 T3 SAN LUIS OBISPO   SW
CA4010080 NACIMIENTO WATER PROJECT C DX SAN LUIS OBISPO   SW
CA4000818 NINER WINE ESTATES, LLC NC NR SAN LUIS OBISPO   GW
CA4010026 NIPOMO COMM SERVICES DIST C D3 TD SAN LUIS OBISPO   SWP
CA4000734 NOLL PROPERTIES NTNC D1 SAN LUIS OBISPO   GW
CA4000652 NORTHSHORE S & B, INC NC T1 T1 SAN LUIS OBISPO   SW
CA4010005 OCEANO COMM SERVICES DIST. C D2 T2 SAN LUIS OBISPO   SWP
CA4000830 OCTAGON BARN CENTER ASSOCIATION NC SAN LUIS OBISPO   GW
CA4000226 PACIFIC DUNES RANCH NTNC D1 SAN LUIS OBISPO   GW
CA4000604 PARAGON TRIANGLE WATER SUPPLY NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000778 PARSONS WATER SUPPLY NTNC D1 SAN LUIS OBISPO   GW
CA4000781 PASO 360 NTNC D1 SAN LUIS OBISPO   GW
CA4000692 PASO ROBLES CHEVROLET CADILLAC NTNC D1 SAN LUIS OBISPO   GW
CA4000790 PASO ROBLES RV RANCH NC NR SAN LUIS OBISPO   GW
CA4010007 PASO ROBLES WATER DEPARTMENT C D3 T3 SAN LUIS OBISPO   SW
CA4000589 PG&E NTNC T2 T2 SAN LUIS OBISPO   SW
CA4000225 PHILLIPS 66 COMPANY, SANTA MARIA FACILIT NTNC D1 SAN LUIS OBISPO   GW
CA4010008 PISMO BEACH WATER DEPARTMENT C D3 TD SAN LUIS OBISPO   SWP
CA4090007 PISMO RANCH RECYCLED WATER NP SAN LUIS OBISPO  
CA4000774 PLEASANT VALLEY ELEMENTARY NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000800 PORT SAN LUIS HARBOR DISTRICT NTNC D1 SAN LUIS OBISPO   SWP
CA4000698 POZO SALOON NC NR SAN LUIS OBISPO   GW
CA4000684 RAGGED POINT INN NTNC T1 T1 SAN LUIS OBISPO   GU
CA4000653 RANCHO COLINA MOBILE HOME PARK C T1 T1 SAN LUIS OBISPO   GW
CA4000771 RANCHO NIPOMO WATER COMPANY C T1 T1 SAN LUIS OBISPO   GW
CA4000803 RANCHO SALINAS MBWC C D1 SAN LUIS OBISPO   GW
CA4000654 RESTHAVEN MOBILE HOME PARK C T1 T1 SAN LUIS OBISPO   GW
CA4000750 RIM ROCK WATER COMPANY C D1 SAN LUIS OBISPO   GW
CA4000655 RINCONADA TRAILER PARK NC NR SAN LUIS OBISPO   GW
CA4000523 S & T MUTUAL WATER COMPANY C D1 SAN LUIS OBISPO   GW
CA4000711 SAN LUIS BUSINESS PARK NTNC D1 SAN LUIS OBISPO   GW
CA4090008 SAN LUIS OBISPO CSA NO. 18 NP SAN LUIS OBISPO  
CA4010009 SAN LUIS OBISPO WATER DEPARTMENT C D4 T5 SAN LUIS OBISPO   SW
CA4010010 SAN MIGUEL COMMUNITY SERVICES DISTRICT C D2 TD SAN LUIS OBISPO   GW
CA4010003 SAN MIGUELITO MWC C D2 T1 SAN LUIS OBISPO   SWP
CA4000699 SAN PASO TRUCK STOP NC NR SAN LUIS OBISPO   GW
CA4000703 SAN SIMEON CREEK RANCH NC NR SAN LUIS OBISPO   GW
CA4000568 SAN SIMEON CSD C D1 T1 SAN LUIS OBISPO   GW
CA4090014 SAN SIMEON RECYCLED WATER NP SAN LUIS OBISPO  
CA4000767 SANTA LUCIA SCHOOL NTNC D1 SAN LUIS OBISPO   GW
CA4000656 SANTA MARGARITA KOA NC NR SAN LUIS OBISPO   GW
CA4000714 SANTA MARGARITA RECREATION AREA NC NR SAN LUIS OBISPO   GW
CA4000783 SANTA MARIA SPEEDWAY NC T1 T1 SAN LUIS OBISPO   GW
CA4000802 SANTA YSABEL RANCH MWC C D1 SAN LUIS OBISPO   GW
CA4000620 SATCOM WATER SUPPLY-CAMP ROBERTS NTNC D1 SAN LUIS OBISPO   GW
CA4000223 SKYLINE FLOWER GROWERS & SHIPPERS NTNC T1 T1 SAN LUIS OBISPO   GW
CA4010028 SLO CSA NO. 16 - SHANDON C D2 TD SAN LUIS OBISPO   SWP
CA4010025 SLO CWD NO. 10 - CAYUCOS WTP C D1 T3 SAN LUIS OBISPO   SW
CA4010024 SLO CWWD NO. 23 - SANTA MARGARITA C D2 T2 SAN LUIS OBISPO   GW
CA4000753 SLO PARTNERS NTNC D1 SAN LUIS OBISPO   GW
CA4010901 SLOCSA #10A - CAYUCOS C D1 SAN LUIS OBISPO   SWP
CA4000789 SPANISH LAKES MUTUAL WATER CO C D1 SAN LUIS OBISPO   GW
CA4000208 SPEEDLING, INC NTNC D1 SAN LUIS OBISPO   GW
CA4090011 STRASBAUGH RECYCLED WATER NP SAN LUIS OBISPO  
CA4000777 STRASBAUGH, INC NTNC D1 SAN LUIS OBISPO   GW
CA4000702 SUNSET DRIVE-IN SNACK BAR NC NR SAN LUIS OBISPO   GW
CA4000689 SYCAMORE MINERAL SPRINGS RESORT NTNC D1 SAN LUIS OBISPO   GW
CA4000678 TALLEY FARMS LABOR HOUSING NTNC D1 SAN LUIS OBISPO   GW
CA4000216 TANK FARM BUSINESS PARK NTNC D1 SAN LUIS OBISPO   GW
CA4000726 TANK FARM INDUSTRIAL PLAZA NTNC D1 SAN LUIS OBISPO   GW
CA4010019 TEMPLETON CSD C D2 TD SAN LUIS OBISPO   GW
CA4000749 TERRA DE ORO WATER COMPANY C D1 SAN LUIS OBISPO   GW
CA4000205 TIGER WATER SUPPLY NTNC D1 SAN LUIS OBISPO   GW
CA4000213 TOYOTA SAN LUIS OBISPO NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000659 TRI COUNTIES CLUB NC NR SAN LUIS OBISPO   GW
CA4000806 VACHELL WATER SYSTEM NTNC T1 T1 SAN LUIS OBISPO   GW
CA4000765 VARIAN RANCH MUTUAL WATER C D1 SAN LUIS OBISPO   GW
CA4000829 VINES R.V. RESORT NC SAN LUIS OBISPO   GW
CA4000670 WALNUT HILLS MUTUAL WATER CO C D1 SAN LUIS OBISPO   GW
CA4000728 WHITSON INDUSTRIAL PARK NTNC D1 SAN LUIS OBISPO   GW
CA4000506 WOODLAND PARK MUTUAL WATER CO C T1 T1 SAN LUIS OBISPO   GW
CA4010081 WOODLANDS DEVELOPMENT C D2 TD SAN LUIS OBISPO   GW
CA4090009 WOODLANDS DEVELOPMENT RECYCLED WATER NP SAN LUIS OBISPO  
CA4000717 200 SUBURBAN ROAD WATER SUPPLY NTNC SAN LUIS OBISPO   GW
CA4000512 BELLA VISTA MOBILE LODGE C D1 SAN LUIS OBISPO   GW
CA4000643 BLACK MOUNTAIN R.V. RESORT NC NR SAN LUIS OBISPO   GW
CA4000207 CLEARWATER NURSERY NTNC D1 SAN LUIS OBISPO   GW
CA4000201 FIRST BAPTIST CHURCH NTNC D1 SAN LUIS OBISPO   GW
CA4000827 HUERHUERO RANCH MUTUAL WATER COMPANY C SAN LUIS OBISPO   GW
CA4000821 SALISBURY VINEYARDS WATER SYSTEM NC SAN LUIS OBISPO   GW
CA4000804 TRUMPET VINE CATERING NC SAN LUIS OBISPO   GW
CA4000743 UPS - SAN LUIS OBISPO NTNC SAN LUIS OBISPO   GW
CA4000300 BROKEN EARTH WINERY NTNC SAN LUIS OBISPO   GW
CA4000766 CB & I CONSTRUCTORS, INC. NTNC SAN LUIS OBISPO   GW