Tap Truth EPA drinking water records, in plain English

Public water system record

A1 Winstons Mobile Home Park

Serves an area of San Joaquin County, CA · 75 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for A1 Winstons Mobile Home Park in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA3900606
  • STOCKTON
  • CA
  • 75 served

System profile

Source water Groundwater
ZIP 95215
EPA system ID CA3900606

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

  • A1 Winstons Mobile Home Park draws water from 1 well.
  • Record on file since 1980, with 4 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 30 service lines.

Check whether A1 Winstons Mobile Home Park 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
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 1980

EPA's records for A1 Winstons Mobile Home Park go back to 1980. Before October 20, 2016 they list 4 health-based violations (4 resolved) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 0 1
2000s 2 2
2010 to October 19, 2016 2 0
2020s 1 1

Most recent health-based violation before October 20, 2016: Total Coliform, began February 2015, Resolved.

Show all 4 health-based violations before October 20, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Feb 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
 Apr 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
 Jan 1, 2005 Resolved

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

A1 Winstons Mobile Home Park draws water from 1 well.

Annual water quality report

A1 Winstons Mobile Home Park 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 A1 Winstons Mobile Home Park 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.

Certified drinking water labs by state EPA guidance for private wells