A89/100
DELTA CITY OF — Water Quality Report 2026
Serving 8,700 people · Colorado
Water Source
Purchased Surface Water
County
—
System ID
CO0115205
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Violation related to Turbidity
When: April 9, 2024 – May 14, 2025Rule: Ground Water RuleEnforcement: 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 DELTA CITY OF
Is DELTA CITY OF water safe to drink?
DELTA CITY OF water receives a grade of A (89/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DELTA CITY OF detected?
34 contaminants were tested in DELTA CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DELTA CITY OF have any EPA violations?
Yes, DELTA CITY OF has 4 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does DELTA CITY OF serve?
DELTA CITY OF serves approximately 8,700 people, Colorado.
What type of water does DELTA CITY OF provide?
DELTA 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 CO0115205.
How does DELTA CITY OF compare to other utilities in Colorado?
DELTA CITY OF scores 89/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Colorado state page for a full comparison of water systems.