Home/ Directory/ CA/ CERES, CITY OF

Water system · PWSID CA5010028

CERES, CITY OF

CERES, CA · ~54,513 people served

Check your exact address → CERES overview
19
Action needed
PurityRadar safety score

PWSID

CA5010028

State

California

City

CERES

Population served

54,513

Primary source

SWP

Score history

▼ 66 points — the score moved from 85 to 19 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 19

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

PFOS

Perfluorooctanesulfonic acid

24 ppt

limit 4 ppt

Above EPA limit · 6.0×

PFOA

Perfluorooctanoic acid

12 ppt

limit 4 ppt

Above EPA limit · 3.0×

PFHxS

Perfluorohexanesulfonic acid

4.8 ppt

limit 10 ppt

Below EPA limit

Lithium

12,900 ppt

limit —

No federal limit

PFPeA

8.4 ppt

limit —

No federal limit

PFHxA

7.4 ppt

limit —

No federal limit

PFBS

6.6 ppt

limit —

No federal limit

PFHpA

4.7 ppt

limit —

No federal limit

Violations & enforcement

15

Violations on record

2

Unaddressed

11

Health-based

22

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2019. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Max contaminant level (MCL) · Combined radium-226/228 health-based began Oct 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2009 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Nitrate health-based began Apr 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 1995 Resolved
Monitoring & reporting · Total coliform began Aug 1993 Resolved
Monitoring & reporting · Total coliform began Apr 1993 Resolved

Recent enforcement actions

  • State action · SOX Jul 2019
  • State action · SOX Mar 2016
  • State action · SFL Dec 2015
  • State action · SOX Jun 2010
  • State action · SFL Jun 2010
  • State action · SOX Jul 2009
  • State action · SFL Jul 2009
  • State action · SOX Jul 2007

This profile is built from EPA public records for system CA5010028 — 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.