A80/100
SEAL ROCK WATER DISTRICT — Water Quality Report 2026
Serving 6,000 people · Oregon
Water Source
Surface Water
County
—
System ID
OR4100798
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 5, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – September 30, 2022Enforcement: 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 SEAL ROCK WATER DISTRICT
Is SEAL ROCK WATER DISTRICT water safe to drink?
SEAL ROCK WATER DISTRICT water receives a grade of A (80/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SEAL ROCK WATER DISTRICT detected?
31 contaminants were tested in SEAL ROCK WATER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SEAL ROCK WATER DISTRICT have any EPA violations?
Yes, SEAL ROCK WATER DISTRICT has 9 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does SEAL ROCK WATER DISTRICT serve?
SEAL ROCK WATER DISTRICT serves approximately 6,000 people, Oregon.
What type of water does SEAL ROCK WATER DISTRICT provide?
SEAL ROCK WATER DISTRICT 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 OR4100798.
How does SEAL ROCK WATER DISTRICT compare to other utilities in Oregon?
SEAL ROCK WATER DISTRICT 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.