EAST CENTRAL REGIONAL WD-GF

THOMPSON, ND · ~5,995 people served

Check your exact address → THOMPSON overview

100

Excellent

PurityRadar safety score

PWSID

ND1801062

State

North Dakota

City

THOMPSON

Population served

5,995

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 May 2021. Official EPA record →

Monitoring · Lead & Copper Rule began Dec 2020 Resolved

Monitoring & reporting · EPA contaminant 1006 began Oct 2020 Resolved

Recent enforcement actions

State action · SOX May 2021
State action · SIF Feb 2021
State action · SIF Feb 2021
State action · SIA Jan 2021
State action · SIE Jan 2021
State action · SIA Jan 2021
State action · SIE Jan 2021
State action · SIF Sep 1984

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

Fluoride

4 stations · latest Jan 2024

0.23 · max 0.35 mg/l · 92

Manganese

4 stations · latest Jan 2024

108 · max 3,310 ug/l · 74

Arsenic

4 stations · latest Oct 2023

7.6 · max 9.3 ug/l · 33

Copper

3 stations · latest May 2023

11.2 · max 27.3 ug/l · 6

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 ND1801062 — 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.