Is OROVILLE CITY OF's water safe to drink?

OROVILLE CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 3,256 people get their water from it, across 1,732 connections.

How this compares nationally

OROVILLE CITY OF has 79 violations on record in total, 7 of thems health-based - ranking it 2,576th of 12,903 systems by violation count, the 80th percentile nationally.

How OROVILLE CITY OF compares within WA

OROVILLE CITY OF's 7 health-based violations sit above the WA average of 3.7, across 322 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for OROVILLE CITY OF is from 2014-01-01 (health-based: 2004-01-09). Last reported to EPA: 06/19/2026.

What kind of problem, specifically

OROVILLE 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: 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

OROVILLE 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. This record - 7 health-based violations on file for OROVILLE CITY OF - 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.