A82/100
COTTER WATERWORKS — Water Quality Report 2026
Serving 1,233 people · Arkansas
Water Source
Groundwater
County
—
System ID
AR0000028
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 COTTER WATERWORKS
Is COTTER WATERWORKS water safe to drink?
COTTER WATERWORKS water receives a grade of A (82/100), 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 COTTER WATERWORKS detected?
1 contaminants were tested in COTTER WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COTTER WATERWORKS have any EPA violations?
Yes, COTTER WATERWORKS has 7 EPA violation(s) on record, with the most recent in 2009. Violation types include MR, MCL, Other. 2 are health-based violations.
How many people does COTTER WATERWORKS serve?
COTTER WATERWORKS serves approximately 1,233 people, Arkansas.
What type of water does COTTER WATERWORKS provide?
COTTER WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000028.
How does COTTER WATERWORKS compare to other utilities in Arkansas?
COTTER WATERWORKS scores 82/100 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.