F0/100
CALICO ROCK WATERWORKS — Water Quality Report 2026
Serving 1,726 people · Arkansas
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
AR0000003
Violations
31
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 2020.
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 CALICO ROCK WATERWORKS
Is CALICO ROCK WATERWORKS water safe to drink?
CALICO ROCK WATERWORKS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 31 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CALICO ROCK WATERWORKS detected?
1 contaminants were tested in CALICO ROCK WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALICO ROCK WATERWORKS have any EPA violations?
Yes, CALICO ROCK WATERWORKS has 31 EPA violation(s) on record, with the most recent in 2020. Violation types include MON, MR, MCL. 21 are health-based violations.
How many people does CALICO ROCK WATERWORKS serve?
CALICO ROCK WATERWORKS serves approximately 1,726 people, Arkansas.
What type of water does CALICO ROCK WATERWORKS provide?
CALICO ROCK WATERWORKS sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is AR0000003.
How does CALICO ROCK WATERWORKS compare to other utilities in Arkansas?
CALICO ROCK WATERWORKS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arkansas state page for a full comparison of water systems.