B65/100
LEMARS WATER DEPARTMENT — Water Quality Report 2026
Serving 10,571 people · Iowa
Water Source
Groundwater
County
—
System ID
IA7540174
Violations
16
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.90 mg/L | 1.30 mg/L | Over Limit |
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 1992.
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 LEMARS WATER DEPARTMENT
Is LEMARS WATER DEPARTMENT water safe to drink?
LEMARS WATER DEPARTMENT water receives a grade of B (65/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LEMARS WATER DEPARTMENT detected?
32 contaminants were tested in LEMARS WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does LEMARS WATER DEPARTMENT have any EPA violations?
Yes, LEMARS WATER DEPARTMENT has 16 EPA violation(s) on record, with the most recent in 1992. Violation types include MR, MCL. 2 are health-based violations.
How many people does LEMARS WATER DEPARTMENT serve?
LEMARS WATER DEPARTMENT serves approximately 10,571 people, Iowa. The system provides water to 1 community: Le Mars.
What type of water does LEMARS WATER DEPARTMENT provide?
LEMARS WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA7540174.
How does LEMARS WATER DEPARTMENT compare to other utilities in Iowa?
LEMARS WATER DEPARTMENT scores 65/100 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.