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Oshkosh, NE Tap Water Quality 2026

Water quality report for Oshkosh, NE — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Oshkosh's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Oshkosh, City Of PWSID: NE3106901 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.50 ppb, 10% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Oshkosh earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.50 ppb — 10% of the federal action level
PFAS never sampled at this system
3 violations since 2015, 3 health-based
No violations currently open
Oshkosh's lead level vs. all Nebraska community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.50 ppb — 10% of the federal action level
✓ Lower lead than 65% of Nebraska utilities
Population Served
807
~571 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
10% of EPA action level
1.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.50 ppb, 10% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule MCL EXCEEDANCE — — 2019 Resolved
Arsenic MCL EXCEEDANCE 0.011 MG/L 0.010 mg/L 2018 Resolved
Arsenic MCL EXCEEDANCE 0.011 MG/L 0.010 mg/L 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

3 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Oshkosh, City Of
PWSID NE3106901
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 807
Service connections 571
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Oshkosh tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.50 ppb, 10% of the action level.
Does Oshkosh water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Oshkosh? ▼
Oshkosh, City Of (PWSID NE3106901). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-12-02. No significant deficiencies were recorded.

What Should Oshkosh Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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