D21/100
CLACKAMAS RIVER WATER — Water Quality Report 2026
Serving 29,918 people · Oregon
Water Source
Surface Water
County
—
System ID
OR4100187
Violations
72
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Consumer confidence report — inadequate or unavailable
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – August 1, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 5, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Consumer confidence report — inadequate or unavailable
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – October 10, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 CLACKAMAS RIVER WATER
Is CLACKAMAS RIVER WATER water safe to drink?
CLACKAMAS RIVER WATER water receives a grade of D (21/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 72 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CLACKAMAS RIVER WATER detected?
69 contaminants were tested in CLACKAMAS RIVER WATER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLACKAMAS RIVER WATER have any EPA violations?
Yes, CLACKAMAS RIVER WATER has 72 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does CLACKAMAS RIVER WATER serve?
CLACKAMAS RIVER WATER serves approximately 29,918 people, Oregon.
What type of water does CLACKAMAS RIVER WATER provide?
CLACKAMAS RIVER WATER sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OR4100187.
How does CLACKAMAS RIVER WATER compare to other utilities in Oregon?
CLACKAMAS RIVER WATER scores 21/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Oregon state page for a full comparison of water systems.