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Water system · PWSID MT0004987

HIDDEN VALLEY COLONY

GILDFORD, MT · ~80 people served

Check your exact address → GILDFORD overview
100
Excellent
PurityRadar safety score

PWSID

MT0004987

State

Montana

City

GILDFORD

Population served

80

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

52

Violations on record

0

Unaddressed

0

Health-based

24

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2025. Official EPA record →

Monitoring & reporting · Thallium began Jan 2024 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2019 Resolved
Monitoring & reporting · Uranium began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2019 Resolved

Recent enforcement actions

  • State action · SOX Jan 2025
  • State action · SIF Jan 2025
  • State action · SIA Jan 2025
  • State action · SIE Jan 2025
  • State action · SOX Jul 2020
  • State action · SIA Jul 2020
  • State action · SOX Apr 2019
  • State action · SOX Apr 2019

This profile is built from EPA public records for system MT0004987 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.