Home/ Directory/ CA/ NPS-WOLVERTON

Water system · PWSID CA5410503

NPS-WOLVERTON

THREE RIVERS, CA · ~2,940 people served

Check your exact address → THREE RIVERS overview
100
Excellent
PurityRadar safety score

PWSID

CA5410503

State

California

City

THREE RIVERS

Population served

2,940

Primary source

Surface water

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

115

Violations on record

1

Unaddressed

108

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2025. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Monitoring · Lead & Copper Rule began Apr 2024 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2023 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2023 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2023 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2023 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2022 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2021 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2020 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SOX Oct 2024
  • State action · SFL Jul 2024
  • State action · SOX Feb 2023
  • State action · SFL Dec 2022
  • State action · SFL Sep 2020
  • State action · SOX Feb 2020
  • State action · SFL Jan 2019

This profile is built from EPA public records for system CA5410503 — 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.