EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID IA6739095

Iowa · Ground water

Onawa Municipal Water Plant

EPA’s September 2026 export lists Onawa Municipal Water Plant (PWSID IA6739095) as No current violation flagged, serving a reported 2,906 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 Onawa Municipal Water Plant

Onawa Municipal Water Plant 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 Onawa Municipal Water Plant

EPA supplied 0 current contaminant, rule, or violation-category entries for Onawa Municipal Water Plant in the exported fields used here.

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

Three-year entries for Onawa Municipal Water Plant

EPA supplied 0 contaminant or rule entries for Onawa Municipal Water Plant 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 Onawa Municipal Water Plant

The export lists 2 site visits in five years and 0 significant deficiencies for Onawa Municipal Water Plant.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
10/16/2025
Last recorded visit
10/16/2025
Significant deficiencies
0

Places served by Onawa Municipal Water Plant

EPA associates Onawa Municipal Water Plant with the listed cities, counties, ZIP codes, and Iowa service area identifiers.

State / territory
Iowa
Cities
ONAWA
Counties
Monona
ZIP codes
Not supplied
Federal PWSID
IA6739095
Registry ID
110013094953

04 / HOW TO USE THIS RECORD

Current public records for Onawa Municipal Water Plant

EPA’s facility report, the Iowa drinking-water program, and Onawa Municipal Water Plant’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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