F0/100
DYERSVILLE MUNICIPAL WATER CO — Water Quality Report 2026
Serving 4,477 people · Iowa
Water Source
Groundwater
County
—
System ID
IA3130091
Violations
42
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 DYERSVILLE MUNICIPAL WATER CO
Is DYERSVILLE MUNICIPAL WATER CO water safe to drink?
DYERSVILLE MUNICIPAL WATER CO water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 42 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DYERSVILLE MUNICIPAL WATER CO detected?
31 contaminants were tested in DYERSVILLE MUNICIPAL WATER CO's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DYERSVILLE MUNICIPAL WATER CO have any EPA violations?
Yes, DYERSVILLE MUNICIPAL WATER CO has 42 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL. 23 are health-based violations.
How many people does DYERSVILLE MUNICIPAL WATER CO serve?
DYERSVILLE MUNICIPAL WATER CO serves approximately 4,477 people, Iowa. The system provides water to 1 community: Dyersville.
What type of water does DYERSVILLE MUNICIPAL WATER CO provide?
DYERSVILLE MUNICIPAL WATER CO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA3130091.
How does DYERSVILLE MUNICIPAL WATER CO compare to other utilities in Iowa?
DYERSVILLE MUNICIPAL WATER CO scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Iowa state page for a full comparison of water systems.