EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID CA5010017

California · Ground water

Patterson, City Of

EPA’s September 2026 export lists Patterson, City Of (PWSID CA5010017) as No current violation flagged, serving a reported 24,977 people from a ground water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.
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01 / CURRENT FLAGS

EPA compliance flags for Patterson, City Of

Patterson, City Of is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • NOT FLAGGED
    Monitoring and reportingCurrent MR_FLAG in the EPA export.
  • NOT FLAGGED
    Public notificationCurrent PN_FLAG in the EPA export.
  • NOT FLAGGED
    Other violationCurrent OTHER_FLAG in the EPA export.
  • NOT FLAGGED
    Serious violatorCurrent serious-violator status in the EPA export.
Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations0rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window0EPA export count

Current rule entries for Patterson, City Of

EPA supplied 0 current contaminant, rule, or violation-category entries for Patterson, City Of in the exported fields used here.

  • No current contaminant or rule names were supplied in these export fields.

Three-year entries for Patterson, City Of

EPA supplied 0 contaminant or rule entries for Patterson, City Of in the three-year history field.

  • No three-year contaminant or rule names were supplied in this export field.

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Patterson, City Of

The export lists 2 site visits in five years and 0 significant deficiencies for Patterson, City Of.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
02/24/2025
Last recorded visit
02/24/2025
Significant deficiencies
0

Places served by Patterson, City Of

EPA associates Patterson, City Of with the listed cities, counties, ZIP codes, and California service area identifiers.

State / territory
California
Cities
PATTERSON
Counties
Stanislaus
ZIP codes
Not supplied
Federal PWSID
CA5010017
Registry ID
110013174652

04 / HOW TO USE THIS RECORD

Current public records for Patterson, City Of

EPA’s facility report, the California drinking-water program, and Patterson, City Of’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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