What's in ARCATA, CITY OF's water?
ARCATA, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 20,875 people through 6,092 service connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, ARCATA, CITY OF ranks 9,191th by violation burden (29th percentile) - 1 violation total, 1 health-based.
How ARCATA, CITY OF compares within CA
ARCATA, CITY OF's 1 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for ARCATA, CITY OF is from 1993-01-06 (health-based: 1993-01-06). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
ARCATA, CITY OF'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
ARCATA, CITY OF'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 ARCATA, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 9,191th of 12,903 by violation count. The guide to what this data misses covers that gap.