NORTH ALLEN WATER SYSTEM

PINE RIDGE, SD · ~65 people served

Check your exact address → PINE RIDGE overview

100

Excellent

PurityRadar safety score

PWSID

084690030

State

South Dakota

City

PINE RIDGE

Population served

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 2025. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2025 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2025 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2023 Resolved

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

Treatment technique · EPA contaminant 0800 health-based began Sep 2022 Resolved

Monitoring · Lead & Copper Rule began May 2019 Resolved

Monitoring · Lead & Copper Rule began Mar 2019 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2019 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2019 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 2015 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2015 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2015 Resolved

Recent enforcement actions

State action · SOX Sep 2025
State action · SOX Aug 2024
State action · SOX Feb 2024
State action · SOX Oct 2022
State action · SOX Sep 2020
State action · SOX Aug 2019
State action · SIF Jul 2019
State action · SOX Apr 2019

This profile is built from EPA public records for system 084690030 — 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.