Is CAL-WATER SERVICE CO.-MARYSVILLE's water safe to drink?
CAL-WATER SERVICE CO.-MARYSVILLE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 12,419 people get their water from it, across 3,721 connections.
CAL-WATER SERVICE CO.-MARYSVILLE's record against the rest of the country
CAL-WATER SERVICE CO.-MARYSVILLE has 1 violation on record in total, 1 of them health-based - ranking it 9,199th of 12,903 systems by violation count, the 29th percentile nationally.
How CAL-WATER SERVICE CO.-MARYSVILLE compares within CA
CAL-WATER SERVICE CO.-MARYSVILLE'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 CAL-WATER SERVICE CO.-MARYSVILLE is from 1993-01-01 (health-based: 1993-01-01). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CAL-WATER SERVICE CO.-MARYSVILLE'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: Coliform (TCR)
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
This is what CAL-WATER SERVICE CO.-MARYSVILLE reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. This record - 1 health-based violation on file for CAL-WATER SERVICE CO.-MARYSVILLE - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.