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Water system · PWSID WA5359700

NOB HILL WATER ASSOCIATION

Yakima, WA · ~38,050 people served

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

PWSID

WA5359700

State

Washington

City

Yakima

Population served

38,050

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

Latest detections from EPA’s UCMR5 monitoring (through Jun 2024). Levels in parts per trillion (ppt).

Lithium

30,000 ppt

limit —

No federal limit

Violations & enforcement

21

Violations on record

0

Unaddressed

0

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Monitoring & reporting · EPA contaminant 2996 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2378 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2380 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2964 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2968 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2969 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2976 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2977 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2979 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2980 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2981 began Oct 2021 Resolved
Monitoring & reporting · EPA contaminant 2982 began Oct 2021 Resolved

Recent enforcement actions

  • State action · SOX Mar 2022
  • State action · SOX Oct 2013
  • State action · SIF Jul 1992
  • State action · SIE Jul 1992
  • State action · SIA Jul 1992

This profile is built from EPA public records for system WA5359700 — 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.