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Water system · PWSID NE3114110

COLUMBUS, CITY OF

COLUMBUS, NE · ~24,028 people served

Check your exact address → COLUMBUS overview
100
Excellent
PurityRadar safety score

PWSID

NE3114110

State

Nebraska

City

COLUMBUS

Population served

24,028

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 May 2025). Levels in parts per trillion (ppt).

Lithium

17,000 ppt

limit —

No federal limit

Violations & enforcement

7

Violations on record

0

Unaddressed

7

Health-based

27

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2021. Official EPA record →

Max contaminant level (MCL) · Arsenic health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1998 Resolved
Treatment technique · Lead & Copper Rule health-based began Jan 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1996 Resolved
Max contaminant level (MCL) · Fluoride health-based began Nov 1994 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Jan 2021
  • State action · SOX Mar 2020
  • State action · SIF Dec 2019
  • State action · SIE Dec 2019
  • State action · SIA Dec 2019
  • State action · SIA Sep 2019
  • State action · SIE Sep 2019
  • State action · SOX Dec 1999

This profile is built from EPA public records for system NE3114110 — 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.