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Water system · PWSID 105300010

TWIN LAKES HUD

NESPELEM, WA · ~42 people served

Check your exact address → NESPELEM overview
85
Excellent
PurityRadar safety score

PWSID

105300010

State

Washington

City

NESPELEM

Population served

42

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

360

Violations on record

0

Unaddressed

6

Health-based

71

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7500 began Apr 2025 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7500 began Feb 2024 Addressed
Other · EPA contaminant 7500 began Feb 2024 Addressed
Other · EPA contaminant 7500 began Feb 2024 Addressed
Other · EPA contaminant 7500 began Feb 2024 Addressed
Treatment technique · EPA contaminant 0700 health-based began Dec 2023 Addressed
Treatment technique · EPA contaminant 0700 health-based began Dec 2023 Resolved
Treatment technique · EPA contaminant 0700 health-based began Dec 2023 Resolved
Treatment technique · EPA contaminant 0700 health-based began Dec 2023 Resolved
Monitoring · Lead & Copper Rule began Nov 2023 Resolved

Recent enforcement actions

  • EPA/federal action · EIF Dec 2025
  • EPA/federal action · EOX Dec 2025
  • EPA/federal action · EFL Nov 2025
  • EPA/federal action · EOX Nov 2025
  • EPA/federal action · EOX Aug 2025
  • EPA/federal action · EOX Aug 2025
  • EPA/federal action · EOX Jul 2025
  • EPA/federal action · EOX Jul 2025

This profile is built from EPA public records for system 105300010 — 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.