FREDERICK

FREDERICK, SD · ~215 people served

Check your exact address → FREDERICK overview

100

Excellent

PurityRadar safety score

PWSID

SD4600133

State

South Dakota

City

FREDERICK

Population served

215

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

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 Sep 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved

Treatment technique · EPA contaminant 0400 health-based began Mar 2014 Resolved

Other · EPA contaminant 7000 began Jul 2007 Resolved

Monitoring & reporting · Total coliform began Sep 2001 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1994 Resolved

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

Recent enforcement actions

State action · SOX Sep 2021
State action · SIF Mar 2021
State action · SIE Oct 2020
State action · SOX Nov 2014
State action · SIA Mar 2014
State action · SOX Sep 2007
State action · SIA Jul 2007
State action · SOX Apr 2002

This profile is built from EPA public records for system SD4600133 — 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.