A85/100
MADRID WATER DEPARTMENT — Water Quality Report 2026
Serving 3,090 people · Iowa
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
IA0848015
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.94 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Treatment Technique Violation
When: June 1, 2025 – June 30, 2025Enforcement: 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 MADRID WATER DEPARTMENT
Is MADRID WATER DEPARTMENT water safe to drink?
MADRID WATER DEPARTMENT water receives a grade of A (85/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MADRID WATER DEPARTMENT detected?
2 contaminants were tested in MADRID WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MADRID WATER DEPARTMENT have any EPA violations?
Yes, MADRID WATER DEPARTMENT has 3 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MR. 1 are health-based violations.
How many people does MADRID WATER DEPARTMENT serve?
MADRID WATER DEPARTMENT serves approximately 3,090 people, Iowa. The system provides water to 1 community: Madrid.
What type of water does MADRID WATER DEPARTMENT provide?
MADRID WATER DEPARTMENT sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IA0848015.
How does MADRID WATER DEPARTMENT compare to other utilities in Iowa?
MADRID WATER DEPARTMENT scores 85/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Iowa state page for a full comparison of water systems.