A88/100
DIAZ WATERWORKS — Water Quality Report 2026
Serving 1,071 people · Arkansas
Water Source
Purchased Groundwater
County
—
System ID
AR0000269
Violations
5
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
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Violation related to Nitrite
When: October 1, 2023 – September 2, 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 DIAZ WATERWORKS
Is DIAZ WATERWORKS water safe to drink?
DIAZ WATERWORKS water receives a grade of A (88/100), which is considered excellent. 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 DIAZ WATERWORKS detected?
1 contaminants were tested in DIAZ WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DIAZ WATERWORKS have any EPA violations?
Yes, DIAZ WATERWORKS has 5 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, Other, MR. 1 are health-based violations.
How many people does DIAZ WATERWORKS serve?
DIAZ WATERWORKS serves approximately 1,071 people, Arkansas.
What type of water does DIAZ WATERWORKS provide?
DIAZ WATERWORKS sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000269.
How does DIAZ WATERWORKS compare to other utilities in Arkansas?
DIAZ WATERWORKS scores 88/100 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.