PETER PITCHESS HONOR RANCHO DETN. CTR

CASTAIC, CA · ~7,000 people served

Check your exact address → CASTAIC overview

Fair

PurityRadar safety score

PWSID

CA1900046

State

California

City

CASTAIC

Population served

7,000

Primary source

Groundwater

Score history

▼ 32 points — the score moved from 100 to 68 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 68

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Feb 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFOA

Perfluorooctanoic acid

5 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

Lithium

46,100 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2009. Official EPA record →

Monitoring & reporting · EPA contaminant 2990 began Jan 2008 Resolved

Monitoring & reporting · Total coliform began Jul 1993 Resolved

Recent enforcement actions

State action · SOX Dec 2009
State action · SFJ Dec 2009
State action · SOX May 1995
State action · SIA Aug 1994

This profile is built from EPA public records for system CA1900046 — 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.