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Water system · PWSID NE3103508

ONG, VILLAGE OF

ONG, NE · ~48 people served

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

PWSID

NE3103508

State

Nebraska

City

ONG

Population served

48

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

35

Violations on record

0

Unaddressed

20

Health-based

114

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Max contaminant level (MCL) · Thallium health-based began Jan 2021 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 2020 Resolved
Max contaminant level (MCL) · Thallium health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Thallium health-based began Apr 2020 Resolved
Max contaminant level (MCL) · Thallium health-based began Jan 2020 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Thallium health-based began Jul 2019 Resolved
Other · EPA contaminant 7500 began May 2019 Resolved
Max contaminant level (MCL) · Thallium health-based began Apr 2019 Resolved
Max contaminant level (MCL) · Thallium health-based began Jan 2019 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Thallium health-based began Jul 2018 Resolved

Recent enforcement actions

  • State action · SOX Mar 2022
  • State action · SIF Mar 2021
  • State action · SIA Mar 2021
  • State action · SIE Mar 2021
  • EPA/federal action · EOX Jan 2021
  • State action · SIE Nov 2020
  • State action · SIF Nov 2020
  • State action · SIA Nov 2020

This profile is built from EPA public records for system NE3103508 — 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.