Public water system record

City of Porterville

Serves Porterville, Tulare County, CA · 63,487 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for City of Porterville in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA5410010
  • PORTERVILLE
  • CA
  • 63,487 served

System profile

Source water Groundwater
ZIP 93257
EPA system ID CA5410010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • City of Porterville draws water from 31 wells.
  • Record on file since 2012, with 0 health-based violations before October 19, 2016.

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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.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active

Full record since 2012

EPA's records for City of Porterville go back to 2012. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.

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

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

City of Porterville draws water from 31 wells.

Annual water quality report

City of Porterville 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.