A80/100
CLATSKANIE, CITY OF — Water Quality Report 2026
Serving 2,188 people · Oregon
Water Source
Surface Water
County
—
System ID
OR4100194
Violations
17
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – July 10, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – July 10, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 26, 2023Enforcement: 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 CLATSKANIE, CITY OF
Is CLATSKANIE, CITY OF water safe to drink?
CLATSKANIE, CITY OF water receives a grade of A (80/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CLATSKANIE, CITY OF detected?
1 contaminants were tested in CLATSKANIE, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLATSKANIE, CITY OF have any EPA violations?
Yes, CLATSKANIE, CITY OF has 17 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does CLATSKANIE, CITY OF serve?
CLATSKANIE, CITY OF serves approximately 2,188 people, Oregon.
What type of water does CLATSKANIE, CITY OF provide?
CLATSKANIE, CITY OF 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 OR4100194.
How does CLATSKANIE, CITY OF compare to other utilities in Oregon?
CLATSKANIE, CITY OF scores 80/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Oregon state page for a full comparison of water systems.