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Water system · PWSID NE3105106

PONCA, CITY OF

PONCA, NE · ~894 people served

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

PWSID

NE3105106

State

Nebraska

City

PONCA

Population served

894

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

7

Violations on record

0

Unaddressed

6

Health-based

29

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Aug 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2000 Resolved
Monitoring & reporting · Total coliform began Nov 1997 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Jan 2021
  • State action · SOX Aug 2016
  • State action · SOX Jul 2016
  • State action · SOX Sep 2015
  • State action · SIF Sep 2015
  • State action · SIE Aug 2015
  • State action · SIA Aug 2015
  • State action · SIF Aug 2015

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Atrazine

1 station · latest Jun 2024

0.14 · max 3.37 ug/L · 21

Arsenic

1 station · latest Oct 2024

3.49 · max 7.06 ug/L · 17

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system NE3105106 — 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.