Tapcensus

Water quality for ZIP code 93255

ZIP 93255 covers Onyx in Kern County, California, one of 47 ZIP codes in the county. 336 active public water systems serve the county; 82 had an EPA violation in the past three years.

Most likely your provider

Cws-Onyx Water System CA1510043 · Community water system · Ground water
Serves 246 people Rules violated, past 3 years 0 Last sanitary survey Jan 30, 2025 Distance 6.8 mi
View system details EPA facility report

Other community water systems in Kern County

166 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Rainbird Valley Mwc
 238 2 9.5 mi
Valley Estates Poa, Inc.
 386 0 9.5 mi
Bella Vista Mutual Water Company
 150 0 12.2 mi
Tradewind Water Assoc.
 632 2 12.5 mi
Long Canyon Water Company Corp.
 122 0 12.8 mi
Hillview Acres Mutual Water Company
 36 0 13.5 mi
Lakeview Ranchos Mutual Water Company
 120 0 13.6 mi
West Valley Mutual Water Company
 70 1 15.5 mi
Cws Southlake System
 1,015 0 15.8 mi
Sweet Water Co-Op
 47 0 15.9 mi
Inyokern Csd
 1,125 1 15.9 mi
Life Water Co-Op
 35 0 16.2 mi
Owens Peak West
 79 0 16.8 mi
Owens Peak South
 50 0 16.8 mi
East Inyokern Mutual Water
 87 0 16.9 mi
148 East Water System
 36 1 17.0 mi
South Desert Mutual Water Company
 26 0 17.2 mi
Mountain Mesa WC
 777 0 17.3 mi
Sierra Breeze Mutual Water Company
 199 0 18.0 mi
Cws Kernville
 2,376 0 18.7 mi
China Lake Acres Mutual Water Company
 198 0 18.8 mi
Sierra Meadows
 68 0 18.9 mi
Dune 3 Mutual Water Company, LLC
 119 0 19.1 mi
Rivernook Campground
 70 0 19.2 mi
Camp Owen Water System
 35 0 19.5 mi
All 167 community water systems in Kern County
Non-community systems in Kern County (169: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
South Fork Middle School
 204 0 0
South Fork Womens Club, Inc.
 60 0 0
South Fork Elementary School Water Sys
 154 0 0
Indian Wells Lodge
 47 1 0
Lake Isabella KOA Campground
 280 1 0
Gateway Market Water System
 154 0 0
Kern Valley Airport
 2,507 0 0
Usfs Paradise Cove Campground
 520 0 0
Paradise Cove Lodge
 49 0 0
Usfs Camp 9
 161 0 0
Buttermilk Acres Water System
 60 0 0
Usfs Tillie Creek Live Oaks Campgrounds
 865 0 0
Usfs Old Isabella Auxiliary Dam WS
 1,320 0 0
Usfs Hungry & Boulder Gulch Campground
 375 0 0
Kern River's Edge Campground Retreat
 32 0 0
Usfs French Gulch Campground WS
 42 0 0
Csp Red Rock Canyon
 404 0 0
Usfs Sandy Flat Campground WS
 204 0 0
Kern CO P&r-Greenhorn Mt. Park Water
 108 0 0
Usfs Havilah Work Center
 30 0 0
Piute Mountain School Water
 75 0 0
Honda Proving Center
 50 0 0
Jameson Ranch Camp
 106 3 0
Rankin Ranch
 33 0 0
Usfs Fulton Work Center
 30 0 0
Billingsley Dvm Water System
 34 0 0
Tehachapi Cement LLC
 115 0 0
Wildland Training Center
 130 0 0
Summit Industrial Park Water System
 25 0 0
Airstreams Renewables
 495 0 0
Calvary Chapel
 107 0 0
Bakersfield National Cemetery WS
 69 1 0
Christian Life Assembly Water System
 406 0 0
Mountain Valley Airport
 108 0 0
Oak Creek Investment Water System
 50 0 0
Tehachapi Church of the Nazarene
 469 0 0
Tehachapi Valley United Methodist Church
 30 1 0
Murray Family Farms at General Beale RD
 62 0 0
Alta Wind Project O&m Facility Water Sys
 47 0 0
Triassic Legacy Vineyards Water System
Tehachapi 		83 0 0
Shepherd of the Hills Tehachapi
 190 0 0
California Portland Cement
 200 1 0
China Lake Naval Air South Range
 150 0 0
Tehachapi Cummings County Water District
 34 0 0
Tehachapi Wine and Cattle Co.
 102 0 0
Kern CO P&r-Tehachapi MT Park Water
 202 0 0
Millennium Pacific Greenhouses
 25 0 0
Soledad Mountain Project Water System
 250 0 0
Countryside Mkt & Restrnt Comanche
 125 0 0
Revol Greens
 190 0 0
All non-community systems
About this data

Water systems are matched to Kern County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.

ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The California records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.