TapSafetyReport
F0/100

Wisner Tap Water Quality: Is It Safe to Drink? (2026 Report)

Serving 1,239 residents · Nebraska

What's In Wisner's Tap Water?

1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.011 mg/L0.015 mg/LAbove Goal

EPA Violation History

15

Violations (last 5yr)

15

Unresolved

15

Health-Related

TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: July 1, 2025 – September 30, 2025Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: April 1, 2025 – June 30, 2025Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: January 1, 2025 – March 31, 2025Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: October 1, 2024 – December 31, 2024Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: July 1, 2024 – September 30, 2024Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: April 1, 2024 – June 30, 2024Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: January 1, 2024 – March 31, 2024Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: October 1, 2023 – December 31, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: July 1, 2023 – September 30, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: April 1, 2023 – June 30, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: January 1, 2023 – March 31, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (single sample)

When: July 1, 2022 – September 30, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2022 – June 30, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issuedVerify on EPA.gov

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Water Utility Details

WISNER, CITY OF
Population Served

1,239

Water Source

Groundwater

System ID

NE3103903

Frequently Asked Questions About Wisner Water

Is Wisner tap water safe to drink?

Wisner, Nebraska tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 46 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

What contaminants are in Wisner's water?

Of the 1 contaminants tested in Wisner's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.

Does Wisner have any water quality violations?

Yes, Wisner has 46 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other. 44 of these are health-based violations, which are the most serious category.

Do I need a water filter in Wisner?

Wisner water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.

Where does Wisner's tap water come from?

Wisner's drinking water is sourced from groundwater and supplied by WISNER, CITY OF. The system serves approximately 1,239 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.

How often is Wisner's water tested?

Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Wisner's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.

How does Wisner's water compare to other cities in Nebraska?

Wisner's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Nebraska state page to see how all cities in the state compare.

What should I do if I'm concerned about Wisner's water quality?

If you have concerns about Wisner's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WISNER, CITY OF) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.

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