Public water system record

Colusa Co. Service Area #2-Stonyford

Serves Stonyford, Colusa County, CA · 250 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Colusa Co. Service Area #2-Stonyford in the last ten years.

  • CA0600005
  • CITY OF COLUSA
  • CA
  • 250 served

System profile

Source water Groundwater
ZIP 95932
EPA system ID CA0600005

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
3

Key facts

  • Colusa Co. Service Area #2-Stonyford draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by California, February 2022.
  • Record on file since 1980, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 57 service lines.

Check whether Colusa Co. Service Area #2-Stonyford 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
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved

Full record since 1980

EPA's records for Colusa Co. Service Area #2-Stonyford go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 1 1
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 0 1
2020s 0 2

Most recent health-based violation before October 19, 2016: Total Coliform, began December 1995, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 1995 Resolved

Enforcement actions

California regulators took 3 formal enforcement actions against Colusa Co. Service Area #2-Stonyford between 2016 and 2022. The most recent was a compliance order (no penalty) in February 2022.

Date By Action Violations covered
Feb 14, 2022 California Compliance order (no penalty) 1 violation: Surface Water Treatment Rule
Feb 19, 2020 California Compliance order (no penalty) 1 violation: Consumer Confidence Rule
Jun 9, 2016 California Compliance order (no penalty) 1 violation: Haloacetic Acids (HAA5)

Where the water comes from

Colusa Co. Service Area #2-Stonyford draws water from 1 well.

Annual water quality report

Colusa Co. Service Area #2-Stonyford 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Colusa Co. Service Area #2-Stonyford for a copy.

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 California.