All water systems in California
123 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Sierra Towers #1 County |
35 | 0 | 0 | |
|
Sierra Christian Church Plumas County |
30 | 0 | 0 | |
|
Sierra Inn Los Angeles County |
30 | 0 | 0 | |
|
Sierra Wine Corp Tulare County |
30 | 0 | 0 | |
|
Rancho Sierra Acres Los Angeles County |
28 | 0 | 0 | |
|
Csp-Sierra Area Headquarters Inactive County |
25 | 0 | 0 | |
|
High Sierra Camp Fresno County |
25 | 0 | 0 | |
|
Martinez/sierra Highway Shell Station Los Angeles County |
25 | 0 | 0 | |
|
Plumas County Sierra House Plumas County |
25 | 0 | 0 | |
|
Plumas Sierra Rural Electric Portola Plumas County |
25 | 0 | 0 | |
|
Sierra Glen Store Tulare County |
25 | 0 | 0 | |
|
Sierra Nevada Aquatic Lab County |
25 | 0 | 0 | |
|
Sierra Nevada Grange Placer County |
25 | 0 | 0 | |
|
Sierra Organics Water System San Joaquin County |
25 | 0 | 0 | |
|
Sierra Pelona Motel Los Angeles County |
25 | 0 | 0 | |
|
Sierra Shangri-La Sierra County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Wishon Pt Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Dinkey Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Rancheria Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Mono Hot Spr · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Glen Meadow · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Westfall Pg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Dorabelle Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Summit Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Deer Creek C · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Dinkey Work · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Badger Flat · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Clover Meado · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Sycamore Fla · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Billy Creek · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Pine Slope C · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Vermillon Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Forks Cg · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Jerseydale C · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Nc Spring Cove · Los Angeles County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 | |
|
Usfs Sierra NF Fresno County |
25 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
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.