TapSafetyReport
F0/100

CLARENDON WATERWORKS — Water Quality Report 2026

Serving 1,320 people · Arkansas

Water Source
Groundwater
County
—
System ID
AR0000385
Violations
43

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

31

Violations (last 5yr)

0

Unresolved

20

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: July 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: June 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: May 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: April 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: March 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: March 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: February 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: February 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: January 1, 2025Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: December 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 1, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 1, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: November 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Monitoring violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – March 20, 2025Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: October 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: September 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: August 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: August 1, 2024 – August 31, 2024Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: July 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: June 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: May 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: April 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: March 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: February 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: January 1, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Violation related to Nitrite

When: December 1, 2023Rule: 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 CLARENDON WATERWORKS

Is CLARENDON WATERWORKS water safe to drink?

CLARENDON WATERWORKS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 43 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CLARENDON WATERWORKS detected?

1 contaminants were tested in CLARENDON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does CLARENDON WATERWORKS have any EPA violations?

Yes, CLARENDON WATERWORKS has 43 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, RPT. 23 are health-based violations.

How many people does CLARENDON WATERWORKS serve?

CLARENDON WATERWORKS serves approximately 1,320 people, Arkansas.

What type of water does CLARENDON WATERWORKS provide?

CLARENDON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AR0000385.

How does CLARENDON WATERWORKS compare to other utilities in Arkansas?

CLARENDON 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.