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Water system · PWSID CA3610015

CRESTLINE VILLAGE CWD - DIVISION 10

CRESTLINE, CA · ~11,650 people served

Check your exact address → CRESTLINE overview
43
Action needed
PurityRadar safety score

PWSID

CA3610015

State

California

City

CRESTLINE

Population served

11,650

Primary source

SWP

Score history

▼ 57 points — the score moved from 100 to 43 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 43

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 Jan 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

18 ppt

limit 10 ppt

Above EPA limit · 1.8×

PFOS

Perfluorooctanesulfonic acid

5.2 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFOA

Perfluorooctanoic acid

4.5 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFNA

Perfluorononanoic acid

7.1 ppt

limit 10 ppt

Near EPA limit

Lithium

11,700 ppt

limit —

No federal limit

PFBS

4 ppt

limit —

No federal limit

PFHxA

3.2 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

2

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2020. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2019 Resolved
Other · EPA contaminant 7000 began Oct 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 1993 Resolved

Recent enforcement actions

  • State action · SOX Jun 2020
  • State action · SFL Mar 2020
  • State action · SOX Jun 2019
  • State action · SFL Nov 2017
  • State action · SOX Apr 2011
  • State action · SFL Feb 2011
  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EFJ May 1993

This profile is built from EPA public records for system CA3610015 — 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.