Oshkosh
Is Oshkosh tap water safe to drink?
Mostly yes — Oshkosh scores 98/100. This report aggregates EPA drinking water data across 2 local systems in Oshkosh. We found 17 total violations (0 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Oshkosh.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Oshkosh?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Oshkosh? See our analysis.
Baby Formula Safety
Is Oshkosh tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Oshkosh, water quality is a key factor in long-term property maintenance. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Oshkosh
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Oshkosh.
Frequently Asked Questions
Is Oshkosh tap water safe to drink?
Mostly yes — Oshkosh scores 98/100.
How many water systems serve Oshkosh?
Oshkosh is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Oshkosh?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Oshkosh.
What is the water quality score for Oshkosh?
The water quality score for Oshkosh is 98 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Oshkosh?
The top contaminants detected in Oshkosh include Lead (90th percentile). View detailed information on our contaminants page.
Oshkosh Water Quality Summary
Oshkosh, WI receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Oshkosh's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Oshkosh's score of 98 is 13 points above the Wisconsin state average of 85, and above the nationwide average of roughly 78/100 across all U.S. states.
For residents and prospective homebuyers in this mid-size Wisconsin city, the local tap water stands out for its exemplary quality and cleanliness. The water supply is distributed across multiple public systems, drawing from an Upper Midwest landscape known for its freshwater lakes, dairy farms, and agricultural land. This high level of purity provides peace of mind to households throughout the community, showing that local infrastructure successfully maintains excellent standards in a farming-heavy region.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Wisconsin water quality rankings report →
Key Contaminants
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Water Systems Serving Oshkosh (2)
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Water quality can vary by neighborhood in Oshkosh.
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