F0/100
OROVILLE CITY OF — Water Quality Report 2026
Serving 3,256 people · Washington
Water Source
Groundwater
County
—
System ID
WA5364400
Violations
78
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.18 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About OROVILLE CITY OF
Is OROVILLE CITY OF water safe to drink?
OROVILLE CITY OF water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 78 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OROVILLE CITY OF detected?
2 contaminants were tested in OROVILLE CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does OROVILLE CITY OF have any EPA violations?
Yes, OROVILLE CITY OF has 78 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, MCL. 7 are health-based violations.
How many people does OROVILLE CITY OF serve?
OROVILLE CITY OF serves approximately 3,256 people, Washington.
What type of water does OROVILLE CITY OF provide?
OROVILLE CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5364400.
How does OROVILLE CITY OF compare to other utilities in Washington?
OROVILLE CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Washington state page for a full comparison of water systems.