D22/100
BRIGHTON CITY OF — Water Quality Report 2026
Serving 56,304 people · Colorado
Water Source
Purchased Surface Water
County
—
System ID
CO0101025
Violations
40
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.30 mg/L | 1.30 mg/L | Over Limit |
chlorate | 940.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 BRIGHTON CITY OF
Is BRIGHTON CITY OF water safe to drink?
BRIGHTON CITY OF water receives a grade of D (22/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BRIGHTON CITY OF detected?
77 contaminants were tested in BRIGHTON CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does BRIGHTON CITY OF have any EPA violations?
Yes, BRIGHTON CITY OF has 40 EPA violation(s) on record, with the most recent in 2023. Violation types include MCL, MR. 6 are health-based violations.
How many people does BRIGHTON CITY OF serve?
BRIGHTON CITY OF serves approximately 56,304 people, Colorado.
What type of water does BRIGHTON CITY OF provide?
BRIGHTON CITY OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CO0101025.
How does BRIGHTON CITY OF compare to other utilities in Colorado?
BRIGHTON CITY OF scores 22/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Colorado state page for a full comparison of water systems.