Home/ Directory/ CA/ MONTEBELLO LAND & WATER CO.

Water system · PWSID CA1910091

MONTEBELLO LAND & WATER CO.

MONTEBELLO, CA · ~26,554 people served

Check your exact address → MONTEBELLO overview
32
Action needed
PurityRadar safety score

PWSID

CA1910091

State

California

City

MONTEBELLO

Population served

26,554

Primary source

Groundwater

Score history

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

Jun 18, 2026 · score 100 Jun 18, 2026 · score 32

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 Oct 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

53 ppt

limit 4 ppt

Above EPA limit · 13.3×

PFOA

Perfluorooctanoic acid

15 ppt

limit 4 ppt

Above EPA limit · 3.8×

PFHxS

Perfluorohexanesulfonic acid

6 ppt

limit 10 ppt

Near EPA limit

PFBA

11 ppt

limit —

No federal limit

PFPeA

9.2 ppt

limit —

No federal limit

PFHxA

9.1 ppt

limit —

No federal limit

PFBS

9 ppt

limit —

No federal limit

PFHpA

4.9 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

2

Health-based

9

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1992 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1992 Resolved

Recent enforcement actions

  • State action · SOX Sep 2024
  • State action · SFL Dec 2023
  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EOX Dec 1993
  • EPA/federal action · EFJ May 1993
  • State action · SIA Feb 1993
  • State action · SOX Feb 1993
  • State action · SFJ Nov 1992

This profile is built from EPA public records for system CA1910091 — 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.