Nebraska Drinking Water Quality & Testing Directory
Comprehensive EPA compliance records, water testing guidelines, and city rankings covering all 621 ZIP codes across Nebraska
Drinking water in Nebraska receives an average composite safety score of 65.4/100 based on EPA Safe Drinking Water Act records. Approximately 5% of monitored ZIP codes earn an "A" grade. Water sources are 18.4% surface water and 81.6% groundwater, resulting in Hard to Very Hard mineral hardness across the state.
Total ZIP Codes
621
Health Violations (5yr)
323
Statewide Avg Score
65.4/100
High Lead Risk Areas
81.2%
Overview: Drinking Water in Nebraska
Drinking water quality in Nebraska averages a composite safety score of 65.4/100 across its 621 monitored ZIP codes. Approximately 5% of ZIP codes in the state receive an "A" grade, while 2% receive an "F" grade. Environmental standards are enforced by Nebraska Department of Environment and Energy.
Surface Water
18.4%
of ZIP codes
Total Violations
1,153
5-year record
Grade A ZIPs
31
5% of state
Grade F ZIPs
13
2% of state
Water Quality Grade Distribution in Nebraska
How do Nebraska's 621 ZIP codes stack up by water quality grade?
Popular Cities in Nebraska
Click any city to view ZIP code-level water quality reports
Omaha
49 ZIPs
Lincoln
29 ZIPs
Kearney
4 ZIPs
Bellevue
3 ZIPs
Grand Island
3 ZIPs
Blair
2 ZIPs
Fremont
2 ZIPs
Papillion
2 ZIPs
Columbus
2 ZIPs
Norfolk
2 ZIPs
Hastings
2 ZIPs
North Platte
2 ZIPs
Oshkosh
2 ZIPs
Sidney
2 ZIPs
Scottsbluff
2 ZIPs
Abie
1 ZIP
Arlington
1 ZIP
Ashland
1 ZIP
Bancroft
1 ZIP
Bennington
1 ZIP
Boys Town
1 ZIP
Bruno
1 ZIP
Cedar Bluffs
1 ZIP
Cedar Creek
1 ZIP
Ceresco
1 ZIP
Colon
1 ZIP
Craig
1 ZIP
Decatur
1 ZIP
Elkhorn
1 ZIP
Fort Calhoun
1 ZIP
Gretna
1 ZIP
Herman
1 ZIP
Homer
1 ZIP
Hooper
1 ZIP
Ithaca
1 ZIP
Kennard
1 ZIP
Linwood
1 ZIP
Louisville
1 ZIP
Lyons
1 ZIP
Macy
1 ZIP
City A-Z Directory — Nebraska
Browse water quality reports for every town and city in Nebraska.
🏆 Highest Rated ZIP Codes in Nebraska
⚠ Lowest Rated ZIP Codes in Nebraska
Common Drinking Water Contaminants in Nebraska
The following are common regulated contaminants found in Nebraska drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.
Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.
Frequently Asked Questions — Nebraska Drinking Water
Is tap water generally safe to drink in Nebraska?+
How do I test water quality or well water in Nebraska?+
What are the biggest water quality issues in Nebraska?+
Who regulates and enforces drinking water standards in Nebraska?+
Where does Nebraska get its drinking water?+
How do I find the official water quality report for my home in Nebraska?+
View All 621 ZIP Codes in Nebraska
Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.
All 621 ZIP codes in Nebraska are actively monitored under the EPA Safe Drinking Water Act.