Public water system record

City of Silverton

Serves Silverton, Marion County, OR · 10,484 people served

Federal records show 1 health-based violation and 32 monitoring/reporting issues for City of Silverton in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.

  • OR4100823
  • SILVERTON
  • OR
  • 10,484 served

System profile

Source water Surface water
ZIP 97381
EPA system ID OR4100823

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
32

Key facts

  • City of Silverton draws water from 2 surface water intakes.
  • Record on file since 1976, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 4,303 service lines.

Check whether City of Silverton serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2024 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2018 Resolved
Selenium
Monitoring and reporting
Jan 1, 2011 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2011 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2011 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2011 Resolved
Nickel
Monitoring and reporting
Jan 1, 2011 Resolved
Mercury
Monitoring and reporting
Jan 1, 2011 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2011 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2011 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2011 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2011 Resolved
Barium
Monitoring and reporting
Jan 1, 2011 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2011 Resolved

Full record since 1976

EPA's records for City of Silverton go back to 1976. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 65 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 6 5
2000s 1 37
2010 to October 18, 2016 0 21
October 19, 2016 to 2019 0 1
2020s 1 19

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began February 2002, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1996 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Feb 1, 1993 Resolved

What the violations mean

Interim Enhanced Surface Water Treatment Rule

1 incident

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

Where the water comes from

City of Silverton draws water from 2 surface water intakes.

Annual water quality report

City of Silverton must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Oregon.