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Water system · PWSID MT0004368

RYANS LOT

HERMOSA BEACH, CA · ~34 people served

Check your exact address → HERMOSA BEACH overview
100
Excellent
PurityRadar safety score

PWSID

MT0004368

State

California

City

HERMOSA BEACH

Population served

34

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

144

Violations on record

0

Unaddressed

13

Health-based

166

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began Aug 2023 Resolved
Other · EPA contaminant 0700 began Jun 2023 Resolved
Monitoring & reporting · Thallium began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jun 2022 Resolved
Monitoring & reporting · EPA contaminant 0700 began May 2022 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jul 2021 Resolved
Monitoring & reporting · EPA contaminant 0700 began May 2021 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Monitoring & reporting · Thallium began Jan 2020 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved

Recent enforcement actions

  • State action · SIA Jul 2025
  • State action · SOX Jul 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SOX Sep 2024
  • State action · SO8 Jul 2024

This profile is built from EPA public records for system MT0004368 — 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.