C40/100

OAKRIDGE, CITY OF — Water Quality Report 2026

Serving 3,310 people · Oregon

Water Source
Groundwater
County
System ID
OR4100582
Violations
40

Contaminant Test Results

EPA Violation History

5

Violations (last 5yr)

5

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Verify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: October 1, 2024Verify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2024Verify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: October 1, 2023Verify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2023Verify on EPA.gov

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 OAKRIDGE, CITY OF

Is OAKRIDGE, CITY OF water safe to drink?

OAKRIDGE, CITY OF water receives a grade of C (40/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has OAKRIDGE, CITY OF detected?

1 contaminants were tested in OAKRIDGE, CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does OAKRIDGE, CITY OF have any EPA violations?

Yes, OAKRIDGE, CITY OF has 40 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 5 are health-based violations.

How many people does OAKRIDGE, CITY OF serve?

OAKRIDGE, CITY OF serves approximately 3,310 people, Oregon.

What type of water does OAKRIDGE, CITY OF provide?

OAKRIDGE, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100582.

How does OAKRIDGE, CITY OF compare to other utilities in Oregon?

OAKRIDGE, CITY OF scores 40/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Oregon state page for a full comparison of water systems.