B76/100
DIKE WATER SUPPLY — Water Quality Report 2026
Serving 1,306 people · Iowa
Water Source
Purchased Groundwater
County
—
System ID
IA3815042
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 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 DIKE WATER SUPPLY
Is DIKE WATER SUPPLY water safe to drink?
DIKE WATER SUPPLY water receives a grade of B (76/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DIKE WATER SUPPLY detected?
2 contaminants were tested in DIKE WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does DIKE WATER SUPPLY have any EPA violations?
Yes, DIKE WATER SUPPLY has 5 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does DIKE WATER SUPPLY serve?
DIKE WATER SUPPLY serves approximately 1,306 people, Iowa. The system provides water to 1 community: Dike.
What type of water does DIKE WATER SUPPLY provide?
DIKE WATER SUPPLY sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA3815042.
How does DIKE WATER SUPPLY compare to other utilities in Iowa?
DIKE WATER SUPPLY scores 76/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.