What's in ST HELENS, CITY OF's water?
ST HELENS, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 13,410, over 5,500 connections.
ST HELENS, CITY OF's record against the rest of the country
54 total violations and 1 health-based ones put ST HELENS, CITY OF at the 43th percentile nationally for violation burden, rank 7,415 of 12,903.
How ST HELENS, CITY OF compares within OR
OR's 160 covered systems average 6.0 health-based violations each; ST HELENS, CITY OF carries 1, not more than typical for the state. 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 ST HELENS, CITY OF is from 2023-01-07 (health-based: 2004-02-02). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
ST HELENS, 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
ST HELENS, 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 54 logged violations can see. The guide to what this data misses covers that gap.