City of Wisner
EPA ID: NE3103903 · 1,239 people served · 1 ZIP code
Federal data shows 15 unresolved violations at City of Wisner — roughly 1,239 residents in the service area.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 3 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for City of Wisner Source: EPA SDWIS service area boundaries.
Service area boundary — Grade F
Service Area Demographics
The City of Wisner serves a community with a median household income of $76,324 and an estimated 1,998 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
City of Wisner's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Cuming County, Nebraska rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How City of Wisner compares to EPA limits
What This Means For You
Arsenic at 15 mg/L exceeds the EPA maximum of 0.01 mg/L.
Comparable Water Systems
Similar-sized systems in Nebraska
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of Wisner, (EPA ID: NE3103903) is a community water system in Nebraska that serves approximately 1,239 people from groundwater sources.
This system serves ZIP code 68791 in Wisner.
Average Home Safety Score: F (13/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Arsenic | Health-based | Unresolved |
| April 1, 2025 | Arsenic | Health-based | Unresolved |
| January 1, 2025 | Arsenic | Health-based | Unresolved |
| October 1, 2024 | Arsenic | Health-based | Unresolved |
| July 1, 2024 | Arsenic | Health-based | Unresolved |
| April 1, 2024 | Arsenic | Health-based | Unresolved |
| January 1, 2024 | Arsenic | Health-based | Unresolved |
| October 1, 2023 | Arsenic | Health-based | Unresolved |
| July 1, 2023 | Arsenic | Health-based | Unresolved |
| April 1, 2023 | Arsenic | Health-based | Unresolved |
| January 1, 2023 | Arsenic | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Arsenic | Inorganic | 15 | Yes |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 68791 | 0.0111 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 68791 — Wisner
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Wisner (NE3103903) on EPA.gov.
Frequently Asked Questions
Is City of Wisner water safe to drink?
City of Wisner has recorded 15 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does City of Wisner serve?
City of Wisner serves approximately 1,239 people across 1 ZIP code in Nebraska.
Where does City of Wisner get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
City of Wisner (EPA ID: NE3103903) — request the latest Consumer Confidence Report or ask about specific contaminants.