B64/100
SUPERIOR, CITY OF — Water Quality Report 2026
Serving 1,979 people · Nebraska
Water Source
Groundwater
County
—
System ID
NE3112904
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.38 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2006.
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
Frequently Asked Questions About SUPERIOR, CITY OF
Is SUPERIOR, CITY OF water safe to drink?
SUPERIOR, CITY OF water receives a grade of B (64/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SUPERIOR, CITY OF detected?
2 contaminants were tested in SUPERIOR, CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SUPERIOR, CITY OF have any EPA violations?
Yes, SUPERIOR, CITY OF has 5 EPA violation(s) on record, with the most recent in 2006. Violation types include MCL. 5 are health-based violations.
How many people does SUPERIOR, CITY OF serve?
SUPERIOR, CITY OF serves approximately 1,979 people, Nebraska. The system provides water to 1 community: Superior.
What type of water does SUPERIOR, CITY OF provide?
SUPERIOR, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NE3112904.
How does SUPERIOR, CITY OF compare to other utilities in Nebraska?
SUPERIOR, CITY OF scores 64/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Nebraska state page for a full comparison of water systems.