SMITH RIVER C.S.D.

SMITH RIVER, CA · ~2,568 people served

Check your exact address → SMITH RIVER overview

100

Excellent

PurityRadar safety score

PWSID

CA0810002

State

California

City

SMITH RIVER

Population served

2,568

Primary source

Groundwater

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring · Lead & Copper Rule began Jun 2021 Resolved

Other · EPA contaminant 7000 began Jul 2018 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 2018 Resolved

Monitoring · Lead & Copper Rule began Feb 2017 Resolved

Monitoring & reporting · Total coliform began Mar 2001 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

State action · SFJ Jun 2025
State action · SOX Jun 2025
State action · SFJ Feb 2022
State action · SOX Feb 2021
State action · SOX Mar 2020
State action · SFJ Jan 2019
State action · SIE Apr 2017
State action · SOX Feb 2017

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

10 stations · latest Sep 2025

0.88 · max 60 mg/L · 172

Copper

6 stations · latest Jan 2022

1.12 · max 7.75 ug/L · 12

Arsenic

1 station · latest Aug 2020

0.12 · max 0.12 ug/l · 1

Fluoride

1 station · latest Aug 2020

0.03 · max 0.03 mg/l · 1

Lead

1 station · latest Aug 2020

0.085 · max 0.085 ug/l · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system CA0810002 — 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.