PlainRecordsTap water in FOLSOM, California
The community water systems that EPA lists as serving FOLSOM, largest first: which one is yours, and its EPA record. Your water bill names your utility; a ZIP code search finds it from EPA's service area map. EPA's file dated Oct. 23, 2026.
2 community water systems list FOLSOM as a city they serve (84,269 people in all, EPA's counts). 0 have a health-based violation on EPA's record since Oct. 23, 2023.
Health-based violations, in EPA's words: “Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.”People served, by system
Every system serving FOLSOM
- FOLSOM, CITY OF - MAIN80,969 peopleFOLSOM · PWS ID CA3410014
- FOLSOM, CITY OF - ASHLAND3,300 peopleFOLSOM · PWS ID CA3410030
From EPA's Safe Drinking Water Information System (SDWIS), through EPA ECHO's drinking water system download. Health-based violations from EPA Envirofacts, downloaded Nov. 2, 2026. EPA's file dated Oct. 23, 2026. EPA: “All compliance and enforcement data displayed on ECHO are current as of the last official quarterly refresh of the source data system, SDWIS, which may lag by three to six months.” These are records of violations, not a test of your tap water today: your water system's annual Consumer Confidence Report has its test results. Names and values are shown as EPA writes them. EPA ECHO drinking water search. Cities as EPA lists them for each system; a system can serve several cities.