B74/100
CALMAR WATER SUPPLY — Water Quality Report 2026
Serving 1,125 people · Iowa
Water Source
Groundwater
County
—
System ID
IA9615064
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 CALMAR WATER SUPPLY
Is CALMAR WATER SUPPLY water safe to drink?
CALMAR WATER SUPPLY water receives a grade of B (74/100), which is considered good. 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 CALMAR WATER SUPPLY detected?
1 contaminants were tested in CALMAR WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALMAR WATER SUPPLY have any EPA violations?
Yes, CALMAR WATER SUPPLY has 7 EPA violation(s) on record, with the most recent in 2005. Violation types include MR, MCL. 4 are health-based violations.
How many people does CALMAR WATER SUPPLY serve?
CALMAR WATER SUPPLY serves approximately 1,125 people, Iowa. The system provides water to 1 community: Calmar.
What type of water does CALMAR WATER SUPPLY provide?
CALMAR WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA9615064.
How does CALMAR WATER SUPPLY compare to other utilities in Iowa?
CALMAR WATER SUPPLY scores 74/100 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.