A91/100
LOGAN WATER SUPPLY — Water Quality Report 2026
Serving 1,397 people · Iowa
Water Source
Groundwater
County
—
System ID
IA4337092
Violations
6
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 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 LOGAN WATER SUPPLY
Is LOGAN WATER SUPPLY water safe to drink?
LOGAN WATER SUPPLY water receives a grade of A (91/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LOGAN WATER SUPPLY detected?
1 contaminants were tested in LOGAN WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LOGAN WATER SUPPLY have any EPA violations?
Yes, LOGAN WATER SUPPLY has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include MR.
How many people does LOGAN WATER SUPPLY serve?
LOGAN WATER SUPPLY serves approximately 1,397 people, Iowa. The system provides water to 1 community: Logan.
What type of water does LOGAN WATER SUPPLY provide?
LOGAN WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA4337092.
How does LOGAN WATER SUPPLY compare to other utilities in Iowa?
LOGAN WATER SUPPLY scores 91/100 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.