B79/100
MARMADUKE WATERWORKS — Water Quality Report 2026
Serving 1,410 people · Arkansas
Water Source
Groundwater
County
—
System ID
AR0000225
Violations
10
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 2010.
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 MARMADUKE WATERWORKS
Is MARMADUKE WATERWORKS water safe to drink?
MARMADUKE WATERWORKS water receives a grade of B (79/100), 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 MARMADUKE WATERWORKS detected?
1 contaminants were tested in MARMADUKE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARMADUKE WATERWORKS have any EPA violations?
Yes, MARMADUKE WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2010. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does MARMADUKE WATERWORKS serve?
MARMADUKE WATERWORKS serves approximately 1,410 people, Arkansas.
What type of water does MARMADUKE WATERWORKS provide?
MARMADUKE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000225.
How does MARMADUKE WATERWORKS compare to other utilities in Arkansas?
MARMADUKE WATERWORKS scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Arkansas state page for a full comparison of water systems.