What's in FOLSOM, CITY OF - MAIN's water?
FOLSOM, CITY OF - MAIN has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 80,969 people get their water from it, across 24,536 connections.
Ranked against every other system in this dataset
4 total violations and 1 health-based ones put FOLSOM, CITY OF - MAIN at the 32th percentile nationally for violation burden, rank 8,797 of 12,903.
How FOLSOM, CITY OF - MAIN compares within CA
FOLSOM, CITY OF - MAIN's 1 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for FOLSOM, CITY OF - MAIN is from 1995-06-06 (health-based: 1992-01-08). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
FOLSOM, CITY OF - MAIN's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
FOLSOM, CITY OF - MAIN's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Between the utility's meter and FOLSOM, CITY OF - MAIN's customers' taps is household plumbing, invisible to a system-level record ranked 8,797th of 12,903 by violation count. The guide to what this data misses covers that gap.