B66/100
MARION WATERWORKS — Water Quality Report 2026
Serving 13,032 people · Arkansas
Water Source
Groundwater
County
—
System ID
AR0000152
Violations
11
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2025 – April 30, 2025Rule: Stage 1 DBPREnforcement: 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 MARION WATERWORKS
Is MARION WATERWORKS water safe to drink?
MARION WATERWORKS water receives a grade of B (66/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MARION WATERWORKS detected?
66 contaminants were tested in MARION WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MARION WATERWORKS have any EPA violations?
Yes, MARION WATERWORKS has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, RPT. 5 are health-based violations.
How many people does MARION WATERWORKS serve?
MARION WATERWORKS serves approximately 13,032 people, Arkansas.
What type of water does MARION WATERWORKS provide?
MARION WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000152.
How does MARION WATERWORKS compare to other utilities in Arkansas?
MARION WATERWORKS scores 66/100 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.