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Water system · PWSID CA1910028

CRESCENTA VALLEY CWD

LA CRESCENTA, CA · ~35,841 people served

Check your exact address → LA CRESCENTA overview
91
Excellent
PurityRadar safety score

PWSID

CA1910028

State

California

City

LA CRESCENTA

Population served

35,841

Primary source

SWP

Score history

▼ 9 points — the score moved from 100 to 91 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 91

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 Nov 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

3.6 ppt

limit 10 ppt

Below EPA limit

Lithium

10,200 ppt

limit —

No federal limit

PFHxA

6.8 ppt

limit —

No federal limit

PFPeA

6.7 ppt

limit —

No federal limit

PFBS

5.1 ppt

limit —

No federal limit

PFHpA

3.1 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

3

Health-based

9

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2000. Official EPA record →

Max contaminant level (MCL) · Nitrate health-based began Nov 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1993 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EOX Jan 1997
  • State action · SFL Jan 1997
  • State action · SOX Jan 1997
  • State action · SFJ Jun 1994
  • State action · SOX Jun 1994
  • EPA/federal action · EOX Dec 1993
  • State action · SOX Jul 1993

This profile is built from EPA public records for system CA1910028 — 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.