Fresno, CA water quality
Fresno, CA is served by 101 public water systems, serving 665,193 people combined. Across those systems, we count 46 health-based violations in the last 5 years. The worst Tap Grade among them is F.
Water systems serving Fresno
Showing the 100 largest by population served, of 101 systems serving Fresno.
CITY OF FRESNO
FRESNO, CA · 545,716 served
CALIFORNIA STATE UNIVERSITY FRESNO
FRESNO, CA · 41,000 served
BAKMAN WATER COMPANY
FRESNO, CA · 17,393 served
PINEDALE COUNTY WATER DISTRICT
PINEDALE, CA · 16,736 served
CHERRY AUCTION
FRESNO, CA · 7,000 served
MALAGA COUNTY WATER DISTRICT
FRESNO, CA · 5,979 served
CAMP FRESNO WATER SYSTEM
FRESNO, CA · 5,600 served
FCWWD 41/SHAVER LAKE
FRESNO, CA · 2,722 served
FCSA 47 - QUAIL LAKE ESTATES
FRESNO, CA · 1,988 served
COUNTRYSIDE CARE CENTER
FRESNO, CA · 1,274 served
SHANT BHAVAN PUNJABI FUNERAL HOME
FOWLER, CA · 1,200 served
FCSA 34 - MILLERTON NEW TOWN
FRESNO, CA · 1,117 served
EASTON AUTHORITY JPA
FRESNO, CA · 1,000 served
WESTERN VALLEY MEAT COMPANY
FRESNO, CA · 815 served
CENTRAL HIGH SCHOOL WEST
FRESNO, CA · 758 served
KINGDOM HALL OF JEHOVAH S WITNESSES
FRESNO, CA · 720 served
MADISON ELEMENTARY SCHOOL
FRESNO, CA · 597 served
ROOSEVELT ELEMENTARY SCHOOL
FRESNO, CA · 580 served
JUVENILE JUSTICE CAMPUS
FRESNO, CA · 565 served
PACIFIC UNION ELEMENTARY SCHOOL
FRESNO, CA · 490 served
FOWLER PACKING COMPANY
FRESNO, CA · 470 served
FCSA 32 - CANTUA CREEK
FRESNO, CA · 462 served
FCSA 49 - FIVE POINTS
FRESNO, CA · 440 served
FCSA 05 - WILDWOOD ISLAND
FRESNO, CA · 417 served
BSA/CAMP CHAWANAKEE
FRESNO, CA · 400 served
FCSA 39 - A AND B
FRESNO, CA · 395 served
FCSA 44D - MONTE VERDI
FRESNO, CA · 350 served
EASTON PRESBYTERIAN CHURCH
FRESNO, CA · 304 served
HUNTINGTON PINES MUTUAL COMPANY
FRESNO, CA · 302 served
EASTON ESTATES WATER COMPANY
FRESNO, CA · 302 served
WOODWARD BLUFFS MHP
FRESNO, CA · 300 served
FCWWD 42/ALLUVIAL & FANCHER
FRESNO, CA · 291 served
SUNNYSIDE CONVALESCENT HOSP
FRESNO, CA · 275 served
JPD REGIONAL POLICE TRAINING CENTER
FRESNO, CA · 264 served
BELMONT WATER CORPORATION
FRESNO, CA · 264 served
HOUGHTON-KEARNEY SCHOOL
FRESNO, CA · 252 served
AMERICAN UNION SCHOOL
FRESNO, CA · 250 served
E&J GALLO WINERY
FRESNO, CA · 245 served
FCSA 30 - EL PORVENIR
FRESNO, CA · 241 served
DANTE CLUB OF FRESNO
FRESNO, CA · 240 served
MEADOW LAKES CLUB
FRESNO, CA · 240 served
FCOE SCOUT ISLAND
FRESNO, CA · 205 served
BLUFF POINTE GOLF COURSE AND LEARNING CE
FRESNO, CA · 200 served
HOLLAND PARK WEST
FRESNO, CA · 200 served
FRESNO SOUTH JEHOVAH WITNESSES
FRESNO, CA · 200 served
FCWWD 40 - SHAVER SPRINGS
FRESNO, CA · 196 served
FRESNO CLOVIS RWRF WATER SYSTEM
FRESNO, CA · 190 served
FCWWD 38/SKY HARBOUR
FRESNO, CA · 185 served
FCSA 43 - RAISIN CITY
FRESNO, CA · 182 served
MANNING GARDENS CARE CENTER INC
FRESNO, CA · 170 served
MK PROPERTIES
FRESNO, CA · 156 served
GURDWARA GUR NANAK PARKASH - FRESNO
FRESNO, CA · 150 served
BELMONT COUNTRY CLUB
FRESNO, CA · 150 served
ADAM'S MARKET
FRESNO, CA · 150 served
FCSA 10 - CUMORAH KNOLLS
FRESNO, CA · 132 served
FCWWD 37/MILE HIGH
FRESNO, CA · 129 served
FCSA 14 - BELMONT MANOR
FRESNO, CA · 115 served
FCPG/LOST LAKE RECREATION AREA
FRESNO, CA · 109 served
FCSA 01 - TAMARACK
FRESNO, CA · 106 served
FCPG/KEARNEY PARK
FRESNO, CA · 103 served
FCPG/AVOCADO LAKE PARK
FRESNO, CA · 102 served
ALLUVIAL FUEL INC.
FRESNO, CA · 100 served
SUMNER PECK RANCH
FRESNO, CA · 100 served
ST JUDE CATHOLIC CHURCH
FRESNO, CA · 100 served
LARRY A SHEHADEY DAIRY
FRESNO, CA · 95 served
BRITZ/COLUSA
FRESNO, CA · 85 served
PONDEROSA RV PARK
FRESNO, CA · 84 served
FCSA 10A - MANSIONETTE ESTATES
FRESNO, CA · 81 served
CROSSOVER COMMUNITY CHURCH
FRESNO, CA · 80 served
BRITZ/FIVE POINTS
FRESNO, CA · 76 served
CAMDEN TRAILER PARK
FRESNO, CA · 75 served
THE VINE
FRESNO, CA · 73 served
WESTSIDE HARVESTING
FRESNO, CA · 72 served
ELM COURT
FRESNO, CA · 64 served
ST. PETERS CATHOLIC CEMETERY
FRESNO, CA · 64 served
VIE-DEL COMPANY
FRESNO, CA · 60 served
FCPG/CHOINUMNI CAMPGROUND
FRESNO, CA · 53 served
COUNTRY CORNER MARKET
REEDLEY, CA · 51 served
MORAVIA WINES
FRESNO, CA · 50 served
USA WASTE OF CALIFORNIA
FRESNO, CA · 50 served
WESTLANDS WATER DISTRICT
FRESNO, CA · 48 served
FCSA 34B - VENTANA HILLS
FRESNO, CA · 48 served
FCSA 23 - EXCHEQUER HEIGHTS
FRESNO, CA · 45 served
GOLDEN STATE VINTNERS - FRESNO
FRESNO, CA · 43 served
FRESNO MEMORIAL GARDENS
FRESNO, CA · 41 served
FOUR BAR C FARMS
FRESNO, CA · 40 served
COVE ISLAND RESORT
FRESNO, CA · 40 served
SJRP COKE HALLOWELL CENTER
FRESNO, CA · 39 served
PAPPAS & CO (MENDOTA)
FRESNO, CA · 36 served
FCSA 44C - RIVERVIEW ESTATES
FRESNO, CA · 34 served
THE POINT AT SHAVER LAKE
COALINGA, CA · 28 served
BELMONT TEMPERANCE PROPERTY WATER SYSTEM
FRESNO, CA · 27 served
GRANVILLE FARMS, LLC
FRESNO, CA · 27 served
SHOP-N-QUICK #2
FRESNO, CA · 25 served
THREE CROWNS ASSOCIATION
FRESNO, CA · 25 served
MICHELSEN PACKAGING
FRESNO, CA · 25 served
FCSA 31 - SHAVER LAKE COMM. CENTER
FRESNO, CA · 25 served
GRANT MARKET WATER SYSTEM
FRESNO, CA · 25 served
OAK KNOLL PROFESSIONAL CTR
FRESNO, CA · 25 served
ARCO BRAWLEY AND HWY 180
FRESNO, CA · 25 served
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Is Fresno, CA tap water safe to drink?
101 public water systems serve Fresno, CA, with 46 health-based violations in the last 5 years across them. The worst Tap Grade among them is F.
Does Fresno's water have lead in it?
The most recent 90th-percentile lead sample is 13 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Fresno's water?
Yes — at least one water system serving Fresno has detected PFAS under UCMR5.
Other cities in California
See all of California →Source: EPA SDWIS/ECHO · Data as of 2026Q2