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O KEAN WATERWORKS

PWS ID: AR0000473 · MC DOUGAL, Arkansas 72441-0000

O KEAN WATERWORKS serves 230 people in MC DOUGAL, Arkansas using Groundwater water sources. It has 43 recorded EPA violations, including 15 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: O KEAN WATERWORKS

O KEAN WATERWORKS is a local-owned community water system that delivers drinking water to 230 residents in MC DOUGAL, Arkansas (Randolph County) through 92 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 43 total violations for this system , of which 15 (35%) 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 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 15 violations (MCL, 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. O KEAN WATERWORKS's 43 violations sit below 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
230
Total Violations
43
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
92
County
Randolph
School/Daycare
No
MCL Violations
15
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 2012
Coliform (TCR) MR 12 1996
Coliform (TCR) Other 3 1994
Coliform (Pre-TCR) Other 1 1990

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 O KEAN 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 AR0000473 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
2012 Coliform (TCR) MCL 15 SDWIS / AR0000473 / 3100
1996 Coliform (TCR) MR 12 SDWIS / AR0000473 / 3100
1994 Coliform (TCR) Other 3 SDWIS / AR0000473 / 3100
1990 Coliform (Pre-TCR) Other 1 SDWIS / AR0000473 / 3000

How O KEAN WATERWORKS Compares

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

Metric O KEAN WATERWORKS Arkansas avg Federal benchmark
Total violations 43 52.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 15 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 230 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 O KEAN WATERWORKS water safe to drink?
O KEAN WATERWORKS (PWS ID: AR0000473) has 43 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 230 people using Groundwater sources.
How many people does O KEAN WATERWORKS serve?
O KEAN WATERWORKS serves 230 people in MC DOUGAL, Arkansas. It is a Local-owned system using Groundwater water sources with 92 service connections.
What type of violations does O KEAN WATERWORKS have?
O KEAN WATERWORKS has 43 total violations: 15 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in O KEAN WATERWORKS water?
No PFAS testing data is available for O KEAN WATERWORKS under the EPA's UCMR5 monitoring program.
What water source does O KEAN WATERWORKS use?
O KEAN 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 PlainWater Editorial