HWY 63 WATER ASSOCIATION

RISON, AR · ~7,187 people served

Check your exact address → RISON overview

100

Excellent

PurityRadar safety score

PWSID

AR0000107

State

Arkansas

City

RISON

Population served

7,187

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

Latest detections from EPA’s UCMR5 monitoring (through Jul 2025). Levels in parts per trillion (ppt).

Lithium

12,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2018. Official EPA record →

Other · EPA contaminant 7000 began Jul 2018 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 2007 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 2003 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jul 2003 Resolved

Max contaminant level (MCL) · Total coliform health-based began Dec 2002 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jul 2002 Resolved

Recent enforcement actions

State action · SOX Aug 2018
State action · SOX Sep 2016
State action · SOX Nov 2008
State action · SIF Dec 2007
State action · SIE Nov 2007
State action · SFJ Sep 1987
State action · SIE Sep 1987
State action · SFJ Sep 1987

This profile is built from EPA public records for system AR0000107 — 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.