Public water system record

City of Atwater

Serves Atwater, Merced County, CA · 29,479 people served

Federal records show no health-based violations and no monitoring or reporting issues for City of Atwater in the last ten years.

  • CA2410001
  • ATWATER
  • CA
  • 29,479 served

System profile

Source water Groundwater
ZIP 95301
EPA system ID CA2410001

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
0

Key facts

  • City of Atwater draws water from 9 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, December 2005.
  • Record on file since 1992, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 7,725 service lines.

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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, and no monitoring or reporting violations either.

Full record since 1992

EPA's records for City of Atwater go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 1
2000s 2 1
2010 to October 18, 2016 0 2

Most recent health-based violation before October 19, 2016: Total Coliform, began February 2002, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Feb 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 1992 Resolved

Enforcement actions

California regulators took 3 formal enforcement actions against City of Atwater between 2000 and 2005. The most recent was a compliance order (no penalty) in December 2005.

Date By Action Violations covered
Dec 28, 2005 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Mar 18, 2002 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Dec 19, 2000 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform

Where the water comes from

City of Atwater draws water from 9 wells.

Annual water quality report

City of Atwater 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 California.