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Water system · PWSID CA5510009

GROVELAND COMMUNITY SERV DIST

GROVELAND, CA · ~3,400 people served

Check your exact address → GROVELAND overview
71
Good
PurityRadar safety score

PWSID

CA5510009

State

California

City

GROVELAND

Population served

3,400

Primary source

Surface water

Score history

▼ 14 points — the score moved from 85 to 71 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 71

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 Dec 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.9 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFBA

7.2 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

2

Unaddressed

1

Health-based

4

Enforcement actions

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

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Monitoring & reporting · Nitrate began Jan 2021 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2005 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2005 Resolved

Recent enforcement actions

  • State action · SOX May 2022
  • State action · SFO Mar 2022
  • EPA/federal action · EFL Dec 2005
  • State action · SOX Dec 2005

This profile is built from EPA public records for system CA5510009 — 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.