TapSafetyReport
F0/100

SILVERTON, CITY OF — Water Quality Report 2026

Serving 10,484 people · Oregon

Water Source
Surface Water
County
—
System ID
OR4100823
Violations
90

Contaminant Test Results

EPA Violation History

7

Violations (last 5yr)

1

Unresolved

1

Health-Related

TIER 3Unresolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2025 – September 30, 2025Rule: Total Coliform RuleVerify on EPA.gov
TIER 1 — URGENTResolved

Violation related to Nitrate

When: December 1, 2024 – December 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: October 1, 2023 – October 24, 2023Enforcement: 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, 2022 – March 31, 2022Rule: 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, 2022 – March 31, 2022Rule: 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: October 1, 2021 – December 31, 2021Rule: 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: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: 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 SILVERTON, CITY OF

Is SILVERTON, CITY OF water safe to drink?

SILVERTON, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 90 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has SILVERTON, CITY OF detected?

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

Does SILVERTON, CITY OF have any EPA violations?

Yes, SILVERTON, CITY OF has 90 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, TT, Other. 8 are health-based violations.

How many people does SILVERTON, CITY OF serve?

SILVERTON, CITY OF serves approximately 10,484 people, Oregon.

What type of water does SILVERTON, CITY OF provide?

SILVERTON, 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 OR4100823.

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

SILVERTON, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oregon state page for a full comparison of water systems.