D25/100
COLUMBUS, CITY OF — Water Quality Report 2026
Serving 24,028 people · Nebraska
Water Source
Groundwater
County
—
System ID
NE3114110
Violations
13
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.56 mg/L | 1.30 mg/L | Over Limit |
manganese | 619.84 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 COLUMBUS, CITY OF
Is COLUMBUS, CITY OF water safe to drink?
COLUMBUS, CITY OF water receives a grade of D (25/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 13 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has COLUMBUS, CITY OF detected?
67 contaminants were tested in COLUMBUS, CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), manganese. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does COLUMBUS, CITY OF have any EPA violations?
Yes, COLUMBUS, CITY OF has 13 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, TT, MR. 12 are health-based violations.
How many people does COLUMBUS, CITY OF serve?
COLUMBUS, CITY OF serves approximately 24,028 people, Nebraska. The system provides water to 1 community: Columbus.
What type of water does COLUMBUS, CITY OF provide?
COLUMBUS, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NE3114110.
How does COLUMBUS, CITY OF compare to other utilities in Nebraska?
COLUMBUS, CITY OF scores 25/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Nebraska state page for a full comparison of water systems.