EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID MT0000515

Montana · Surface water purchased

Malmstrom Air Force Base

EPA’s September 2026 export lists Malmstrom Air Force Base (PWSID MT0000515) as No current violation flagged, serving a reported 8,850 people from a surface water purchased 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 Malmstrom Air Force Base

Malmstrom Air Force Base 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 violations3rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window3EPA export count

Current rule entries for Malmstrom Air Force Base

EPA supplied 3 current contaminant, rule, or violation-category entries for Malmstrom Air Force Base in the exported fields used here.

  • Monitoring Violation
  • Monitoring and Reporting
  • Other Violation

Three-year entries for Malmstrom Air Force Base

EPA supplied 3 contaminant or rule entries for Malmstrom Air Force Base in the three-year history field.

  • 2456=Total Haloacetic Acids (HAA5)
  • 2950=TTHM
  • 8000=Revised Total Coliform Rule

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Malmstrom Air Force Base

The export lists 3 site visits in five years and 0 significant deficiencies for Malmstrom Air Force Base.

Site visits, past 5 years
3
Inspection visits
0
Other visits
3
Last sanitary survey
03/22/2024
Last recorded visit
08/21/2025
Significant deficiencies
0

Places served by Malmstrom Air Force Base

EPA associates Malmstrom Air Force Base with the listed cities, counties, ZIP codes, and Montana service area identifiers.

State / territory
Montana
Counties
Cascade
ZIP codes
Not supplied
Federal PWSID
MT0000515
Registry ID
110012360382

04 / HOW TO USE THIS RECORD

Current public records for Malmstrom Air Force Base

EPA’s facility report, the Montana drinking-water program, and Malmstrom Air Force Base’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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