SPANISH FLAT WATER DISTRICT

NAPA, CA · ~230 people served

Check your exact address → NAPA overview

Excellent

PurityRadar safety score

PWSID

CA2810014

State

California

City

NAPA

Population served

230

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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 Feb 2025. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed

Monitoring & reporting · Lead & Copper Rule began Oct 2024 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved

Other · EPA contaminant 7000 began Jul 2020 Resolved

Monitoring & reporting · Nitrate began Jan 2020 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Other began Sep 1998 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1996 Resolved

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

Recent enforcement actions

State action · SOX Feb 2025
State action · SFL Nov 2024
State action · SOX Aug 2022
State action · SFL Aug 2022
State action · SFO Nov 2021
State action · SOX Jul 2021
State action · SOX Jun 2021
State action · SFL Feb 2021

This profile is built from EPA public records for system CA2810014 — 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.