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Water system · PWSID CA5510023

SONORA MEADOWS MUTUAL WTR CO

SONORA, CA · ~1,123 people served

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

PWSID

CA5510023

State

California

City

SONORA

Population served

1,123

Primary source

SWP

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

9

Violations on record

2

Unaddressed

2

Health-based

10

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring · Lead & Copper Rule began Apr 2025 Resolved
Monitoring & reporting · Nitrate began Jan 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1996 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SFJ Aug 2025
  • State action · SOX May 2022
  • State action · SFO Mar 2022
  • State action · SOX Mar 2018
  • State action · SFL Aug 2015
  • State action · SOX Apr 2006
  • State action · SOX Jul 2004

This profile is built from EPA public records for system CA5510023 — 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.