Public water system record

City of Cottage Grove

Serves Cottage Grove, Lane County, OR · 10,879 people served

Federal records show no health-based violations and 7 monitoring/reporting issues for City of Cottage Grove in the last ten years.

  • OR4100236
  • COTTAGE GROVE
  • OR
  • 10,879 served

System profile

Source water Surface water
ZIP 97424
EPA system ID OR4100236

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
7

Key facts

  • City of Cottage Grove draws water from 1 infiltration gallery.
  • Most recent formal enforcement: signed compliance agreement by Oregon, July 2005.
  • Record on file since 1976, with 24 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 4,120 service lines.

Check whether City of Cottage Grove 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2022 Resolved

Full record since 1976

EPA's records for City of Cottage Grove go back to 1976. Before October 19, 2016 they list 24 health-based violations (24 resolved) and 14 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 10
1990s 22 1
2000s 2 3
2020s 0 7

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began November 2009, Resolved.

Show all 24 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 2009 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Apr 1, 2007 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1997 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Oct 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 1994 Resolved

Enforcement actions

Oregon regulators took 2 formal enforcement actions against City of Cottage Grove between 1996 and 2005. The most recent was a signed compliance agreement in July 2005.

Date By Action Violations covered
Jul 13, 2005 Oregon Signed compliance agreement 3 violations (3 health-based): Surface Water Treatment Rule
Dec 23, 1996 Oregon Signed compliance agreement 14 violations (14 health-based): Surface Water Treatment Rule

Where the water comes from

City of Cottage Grove draws water from 1 infiltration gallery.

Annual water quality report

City of Cottage Grove 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.