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Water system · PWSID 090600147

Rincon Northern

49
Fair
PurityRadar safety score

PWSID

090600147

State

California

City

Valley Center

Population served

7,003

Primary source

Groundwater

Score history

▼ 51 points — the score moved from 100 to 49 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 49

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

8.9 ppt

limit 4 ppt

Above EPA limit · 2.2×

PFOA

Perfluorooctanoic acid

5.6 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFHxA

5.9 ppt

limit —

No federal limit

PFPeA

5 ppt

limit —

No federal limit

PFBS

3.4 ppt

limit —

No federal limit

Violations & enforcement

88

Violations on record

0

Unaddressed

4

Health-based

285

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2017. Official EPA record →

Monitoring · Lead & Copper Rule began Nov 2016 Resolved
Monitoring & reporting · EPA contaminant 3014 began Aug 2013 Resolved
Monitoring & reporting · Total coliform began Sep 2007 Resolved
Monitoring & reporting · Total coliform began Nov 2006 Resolved
Monitoring & reporting · Total coliform began Nov 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2005 Resolved
Monitoring & reporting · Nitrate began Jan 2005 Resolved
Monitoring & reporting · Total coliform began Nov 2004 Resolved
Monitoring & reporting · Total coliform began Oct 2004 Resolved
Monitoring & reporting · Total coliform began Aug 2004 Resolved
Monitoring & reporting · Total coliform began Jul 2004 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Feb 2017
  • EPA/federal action · EOX Sep 2013
  • EPA/federal action · EIC Dec 2011
  • EPA/federal action · EIC Dec 2011
  • EPA/federal action · EIC Dec 2011
  • EPA/federal action · EIC Nov 2011
  • EPA/federal action · EIC Nov 2011
  • EPA/federal action · EIC Nov 2011

This profile is built from EPA public records for system 090600147 — 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.