A81/100
WALNUT RIDGE WATERWORKS — Water Quality Report 2026
Serving 5,823 people · Arkansas
Water Source
Purchased Surface Water
County
—
System ID
AR0000309
Violations
8
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)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 WALNUT RIDGE WATERWORKS
Is WALNUT RIDGE WATERWORKS water safe to drink?
WALNUT RIDGE WATERWORKS water receives a grade of A (81/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WALNUT RIDGE WATERWORKS detected?
31 contaminants were tested in WALNUT RIDGE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WALNUT RIDGE WATERWORKS have any EPA violations?
Yes, WALNUT RIDGE WATERWORKS has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, Other, MCL. 2 are health-based violations.
How many people does WALNUT RIDGE WATERWORKS serve?
WALNUT RIDGE WATERWORKS serves approximately 5,823 people, Arkansas.
What type of water does WALNUT RIDGE WATERWORKS provide?
WALNUT RIDGE WATERWORKS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is AR0000309.
How does WALNUT RIDGE WATERWORKS compare to other utilities in Arkansas?
WALNUT RIDGE WATERWORKS scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Arkansas state page for a full comparison of water systems.