A85/100
DE WITT WATER SUPPLY — Water Quality Report 2026
Serving 5,514 people · Iowa
Water Source
Groundwater
County
—
System ID
IA2330036
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2003.
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 DE WITT WATER SUPPLY
Is DE WITT WATER SUPPLY water safe to drink?
DE WITT WATER SUPPLY water receives a grade of A (85/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DE WITT WATER SUPPLY detected?
31 contaminants were tested in DE WITT WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DE WITT WATER SUPPLY have any EPA violations?
Yes, DE WITT WATER SUPPLY has 4 EPA violation(s) on record, with the most recent in 2003. Violation types include MCL, MR. 2 are health-based violations.
How many people does DE WITT WATER SUPPLY serve?
DE WITT WATER SUPPLY serves approximately 5,514 people, Iowa. The system provides water to 1 community: De Witt.
What type of water does DE WITT WATER SUPPLY provide?
DE WITT WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA2330036.
How does DE WITT WATER SUPPLY compare to other utilities in Iowa?
DE WITT WATER SUPPLY 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.