EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID MI0003968

Michigan · Ground water

Lyon Township

EPA’s September 2026 export lists Lyon Township (PWSID MI0003968) as Current monitoring/reporting flag, serving a reported 9,390 people from a ground water source, with 1 rules in current violation.

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

CURRENT EXPORTCurrent monitoring/reporting flagEPA's export includes a current monitoring or reporting violation flag.
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01 / CURRENT FLAGS

EPA compliance flags for Lyon Township

Lyon Township is listed as current monitoring/reporting flag in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • 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 violations5rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation1EPA export count
Rules in 3-year window3EPA export count

Current rule entries for Lyon Township

EPA supplied 1 current contaminant, rule, or violation-category entries for Lyon Township in the exported fields used here.

  • 5200=LEAD AND COPPER RULE REVISIONS

Three-year entries for Lyon Township

EPA supplied 2 contaminant or rule entries for Lyon Township in the three-year history field.

  • 1040=Nitrate
  • 5200=LEAD AND COPPER RULE REVISIONS

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Lyon Township

The export lists 4 site visits in five years and 0 significant deficiencies for Lyon Township.

Site visits, past 5 years
4
Inspection visits
2
Other visits
2
Last sanitary survey
06/11/2025
Last recorded visit
06/11/2025
Significant deficiencies
0

Places served by Lyon Township

EPA associates Lyon Township with the listed cities, counties, ZIP codes, and Michigan service area identifiers.

State / territory
Michigan
Cities
Not supplied
Counties
Oakland
ZIP codes
Not supplied
Federal PWSID
MI0003968
Registry ID
110013116403

04 / HOW TO USE THIS RECORD

Current public records for Lyon Township

EPA’s facility report, the Michigan drinking-water program, and Lyon Township’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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