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Water system · PWSID 090600120

Big Pine Paiute Band

Big Pine, CA · ~600 people served

Check your exact address → Big Pine overview
85
Excellent
PurityRadar safety score

PWSID

090600120

State

California

City

Big Pine

Population served

600

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

17

Violations on record

1

Unaddressed

5

Health-based

46

Enforcement actions

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

Treatment technique · EPA contaminant 0400 health-based began Jul 2025 Unaddressed
Monitoring & reporting · EPA contaminant 0999 began Oct 2024 Resolved
Monitoring & reporting · Nitrite began Apr 2021 Resolved
Other · EPA contaminant 7500 began Apr 2021 Resolved
Monitoring & reporting · Nitrate began Apr 2021 Resolved
Monitoring & reporting · Total coliform began Nov 2013 Resolved
Monitoring & reporting · Total coliform began May 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2003 Resolved
Max contaminant level (MCL) · EPA contaminant 2987 health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2002 Resolved
Monitoring & reporting · Total coliform began May 2000 Resolved
Max contaminant level (MCL) · EPA contaminant 2987 health-based began Jan 2000 Resolved

Recent enforcement actions

  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EOX Dec 2024
  • EPA/federal action · EOX Nov 2021
  • EPA/federal action · EOX Oct 2021
  • EPA/federal action · EOX Feb 2014
  • EPA/federal action · EOX Aug 2010
  • EPA/federal action · EIF Jul 2010

This profile is built from EPA public records for system 090600120 — 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.