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Water system · PWSID 105300026

WHITE SWAN

TOPPENISH, WA · ~900 people served

Check your exact address → TOPPENISH overview
70
Good
PurityRadar safety score

PWSID

105300026

State

Washington

City

TOPPENISH

Population served

900

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 70 Jun 18, 2026 · score 70

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

528

Violations on record

2

Unaddressed

8

Health-based

89

Enforcement actions

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

Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Unaddressed
Reporting · Lead & Copper Rule began Jul 2025 Resolved
Reporting · Lead & Copper Rule began Dec 2023 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2023 Resolved
Other · EPA contaminant 7500 began Jun 2022 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2021 Resolved
Reporting · Lead & Copper Rule began May 2021 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Dec 2025
  • EPA/federal action · EOX Aug 2025
  • EPA/federal action · EOX Oct 2024
  • EPA/federal action · EIF May 2024
  • EPA/federal action · EIF Feb 2024
  • EPA/federal action · EOX Jan 2024
  • EPA/federal action · EIF Dec 2023
  • EPA/federal action · EIF Aug 2023

This profile is built from EPA public records for system 105300026 — 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.