SUPERIOR, CITY OF

SUPERIOR, NE · ~1,979 people served

Check your exact address → SUPERIOR overview

100

Excellent

PurityRadar safety score

PWSID

NE3112904

State

Nebraska

City

SUPERIOR

Population served

1,979

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 Apr 2007. Official EPA record →

Max contaminant level (MCL) · Thallium health-based began Oct 2006 Resolved

Max contaminant level (MCL) · Thallium health-based began Apr 2003 Resolved

Max contaminant level (MCL) · Nitrate health-based began Apr 1998 Resolved

Recent enforcement actions

State action · SOX Apr 2007
State action · SIF Dec 2006
State action · SIE Dec 2006
State action · SIA Dec 2006
State action · SOX Oct 2003
State action · SIF May 2003
State action · SIA May 2003
State action · SIE May 2003

This profile is built from EPA public records for system NE3112904 — 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.