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Water system · PWSID CA3110012

AGATE BAY WATER COMPANY

CARNELIAN BAY, CA · ~2,500 people served

Check your exact address → CARNELIAN BAY overview
85
Excellent
PurityRadar safety score

PWSID

CA3110012

State

California

City

CARNELIAN BAY

Population served

2,500

Primary source

Surface water

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

48

Violations on record

0

Unaddressed

10

Health-based

24

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Addressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed
Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved
Monitoring & reporting · Selenium began Jan 2013 Resolved
Monitoring & reporting · Nitrite began Jan 2013 Resolved
Monitoring & reporting · Beryllium began Jan 2013 Resolved
Monitoring & reporting · Arsenic began Jan 2013 Resolved
Monitoring & reporting · Chromium (total) began Jan 2013 Resolved
Monitoring & reporting · Barium began Jan 2013 Resolved
Monitoring & reporting · Cadmium began Jan 2013 Resolved
Monitoring & reporting · EPA contaminant 1036 began Jan 2013 Resolved

Recent enforcement actions

  • EPA/federal action · EFL Mar 2026
  • State action · SOX Oct 2024
  • State action · SFJ Feb 2024
  • State action · SOX Sep 2020
  • State action · SFJ Jan 2020
  • State action · SOX Jul 2019
  • State action · SOX Jun 2017
  • State action · SFL May 2017

This profile is built from EPA public records for system CA3110012 — 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.