WEAVERVILLE C.S.D.

WEAVERVILLE, CA · ~3,975 people served

Check your exact address → WEAVERVILLE overview

Good

PurityRadar safety score

PWSID

CA5310001

State

California

City

WEAVERVILLE

Population served

3,975

Primary source

Surface water

Score history

▼ 18 points — the score moved from 100 to 82 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 82

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

PFOS

Perfluorooctanesulfonic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFHxS

Perfluorohexanesulfonic acid

5.6 ppt

limit 10 ppt

Near EPA limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2022. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved

Treatment technique · EPA contaminant 0200 health-based began Jun 1993 Resolved

Recent enforcement actions

State action · SOX Dec 2022
State action · SFL Feb 2020
State action · SOX Mar 2018
State action · SOX Apr 1995
State action · SIA Mar 1995
State action · SFK Jul 1994

This profile is built from EPA public records for system CA5310001 — 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.