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Water system · PWSID CA1310005

HOLTVILLE, CITY OF

HOLTVILLE, CA · ~6,355 people served

Check your exact address → HOLTVILLE overview
100
Excellent
PurityRadar safety score

PWSID

CA1310005

State

California

City

HOLTVILLE

Population served

6,355

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

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

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

Lithium

49,200 ppt

limit —

No federal limit

Violations & enforcement

27

Violations on record

0

Unaddressed

24

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2016. Official EPA record →

Other · EPA contaminant 7500 began Jul 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2016 Resolved
Other · EPA contaminant 7500 began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Mar 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2014 Resolved

Recent enforcement actions

  • State action · SOX Nov 2016
  • State action · SFL Oct 2016
  • State action · SFL Oct 2016
  • State action · SOX Oct 2016
  • State action · SOX Jan 2016
  • State action · SFL Jul 2011
  • State action · SOX Sep 2001
  • EPA/federal action · EOX Mar 2000

This profile is built from EPA public records for system CA1310005 — 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.