PlainWater

CLARENDON WATERWORKS

PWS ID: AR0000385 · CLARENDON, Arkansas 72029

CLARENDON WATERWORKS serves 1,320 people in CLARENDON, Arkansas using Groundwater water sources. It has 104 recorded EPA violations, including 64 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CLARENDON WATERWORKS

CLARENDON WATERWORKS is a local-owned community water system that delivers drinking water to 1,320 residents in CLARENDON, Arkansas (Monroe County) through 660 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 104 total violations for this system , of which 64 (62%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Stage 1 Disinfectants and Disinfection Byproducts Rule, recorded in 64 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arkansas, EPA tracks 1,016 public water systems serving 3,049,400 people, with 53,437 cumulative violations and 21,598 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 52.6 violations. CLARENDON WATERWORKS's 104 violations sit above the Arkansas average. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,320
Total Violations
104
Health-Based Violations
64
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
660
County
Monroe
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
64

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 64 2025
Public Notice Other 18 2025
Revised Total Coliform Rule RPT 7 2024
Coliform (TCR) MR 6 2007
Revised Total Coliform Rule MON 6 2024
Coliform (TCR) Other 3 1994

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for CLARENDON WATERWORKS.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AR0000385 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arkansas Drinking Water Authority

Arkansas's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find AR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 64 SDWIS / AR0000385 / 0400
2025 Public Notice Other 18 SDWIS / AR0000385 / 7500
2024 Revised Total Coliform Rule RPT 7 SDWIS / AR0000385 / 8000
2024 Revised Total Coliform Rule MON 6 SDWIS / AR0000385 / 8000
2007 Coliform (TCR) MR 6 SDWIS / AR0000385 / 3100
1994 Coliform (TCR) Other 3 SDWIS / AR0000385 / 3100

How CLARENDON WATERWORKS Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric CLARENDON WATERWORKS Arkansas avg Federal benchmark
Total violations 104 52.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 64 21.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,320 3,001 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,016 regulated public water systems in Arkansas.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CLARENDON WATERWORKS water safe to drink?
CLARENDON WATERWORKS (PWS ID: AR0000385) has 104 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,320 people using Groundwater sources.
How many people does CLARENDON WATERWORKS serve?
CLARENDON WATERWORKS serves 1,320 people in CLARENDON, Arkansas. It is a Local-owned system using Groundwater water sources with 660 service connections.
What type of violations does CLARENDON WATERWORKS have?
CLARENDON WATERWORKS has 104 total violations: 64 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 64 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CLARENDON WATERWORKS water?
No PFAS testing data is available for CLARENDON WATERWORKS under the EPA's UCMR5 monitoring program.
What water source does CLARENDON WATERWORKS use?
CLARENDON WATERWORKS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial