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Water system · PWSID CA1700536

SUNRISE SHORE MUTUAL WATER COMPANY

LOWER LAKE, CA · ~83 people served

Check your exact address → LOWER LAKE overview
100
Excellent
PurityRadar safety score

PWSID

CA1700536

State

California

City

LOWER LAKE

Population served

83

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

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

0

Unaddressed

1

Health-based

19

Enforcement actions

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

Monitoring · Lead & Copper Rule began Mar 2022 Resolved
Monitoring · Lead & Copper Rule began Feb 2019 Resolved
Monitoring · Lead & Copper Rule began Feb 2017 Resolved
Monitoring · Lead & Copper Rule began Aug 2016 Resolved
Other · EPA contaminant 7000 began Jul 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2008 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2007 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX May 2022
  • State action · SFL May 2022
  • State action · SOX Sep 2019
  • State action · SFL Apr 2019
  • State action · SOX Jan 2018
  • State action · SFL Apr 2017
  • State action · SFL Oct 2016
  • State action · SOX Dec 2013

This profile is built from EPA public records for system CA1700536 — 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.