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Water system · PWSID CA1900907

SHERWOOD MOBILE HOME PARK

LANCASTER, CA · ~540 people served

Check your exact address → LANCASTER overview
100
Excellent
PurityRadar safety score

PWSID

CA1900907

State

California

City

LANCASTER

Population served

540

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

4

Violations on record

0

Unaddressed

2

Health-based

6

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2018. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Oct 2018
  • State action · SFL Jul 2018
  • State action · SFL Nov 2012
  • State action · SOX Sep 2012
  • State action · SOX Aug 2012
  • EPA/federal action · EOX Dec 2003

This profile is built from EPA public records for system CA1900907 — 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.