C43/100
MARCUS WATER SUPPLY — Water Quality Report 2026
Serving 1,079 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1838032
Violations
14
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
No violations in the past 5 years
Full EPA compliance since 2018.
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 MARCUS WATER SUPPLY
Is MARCUS WATER SUPPLY water safe to drink?
MARCUS WATER SUPPLY water receives a grade of C (43/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MARCUS WATER SUPPLY detected?
1 contaminants were tested in MARCUS WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARCUS WATER SUPPLY have any EPA violations?
Yes, MARCUS WATER SUPPLY has 14 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, MCL. 10 are health-based violations.
How many people does MARCUS WATER SUPPLY serve?
MARCUS WATER SUPPLY serves approximately 1,079 people, Iowa. The system provides water to 1 community: Marcus.
What type of water does MARCUS WATER SUPPLY provide?
MARCUS WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1838032.
How does MARCUS WATER SUPPLY compare to other utilities in Iowa?
MARCUS WATER SUPPLY scores 43/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Iowa state page for a full comparison of water systems.