B63/100
LONOKE WATERWORKS — Water Quality Report 2026
Serving 4,277 people · Arkansas
Water Source
Groundwater
County
—
System ID
AR0000343
Violations
10
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
5
Violations (last 5yr)
0
Unresolved
5
Health-Related
TIER 2Resolved
Violation related to Nitrite
When: March 1, 2025 – June 25, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Nitrite
When: February 1, 2025 – June 25, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Nitrite
When: January 1, 2025 – June 25, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Nitrite
When: December 1, 2024 – June 25, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Violation related to Nitrite
When: November 1, 2024 – June 25, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
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 LONOKE WATERWORKS
Is LONOKE WATERWORKS water safe to drink?
LONOKE WATERWORKS water receives a grade of B (63/100), which is considered good. 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 LONOKE WATERWORKS detected?
31 contaminants were tested in LONOKE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LONOKE WATERWORKS have any EPA violations?
Yes, LONOKE WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MCL. 6 are health-based violations.
How many people does LONOKE WATERWORKS serve?
LONOKE WATERWORKS serves approximately 4,277 people, Arkansas.
What type of water does LONOKE WATERWORKS provide?
LONOKE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000343.
How does LONOKE WATERWORKS compare to other utilities in Arkansas?
LONOKE WATERWORKS scores 63/100 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.