PlainWater

HEAFER-BLACK OAK WATER ASSOC

PWS ID: AR0000427 · PROCTOR, Arkansas 72376

HEAFER-BLACK OAK WATER ASSOC serves 436 people in PROCTOR, Arkansas using Groundwater water sources. It has 72 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HEAFER-BLACK OAK WATER ASSOC

HEAFER-BLACK OAK WATER ASSOC is a local-owned community water system that delivers drinking water to 436 residents in PROCTOR, Arkansas (Poinsett County) through 175 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 72 total violations for this system , of which 6 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 17 violations (RPT). 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. HEAFER-BLACK OAK WATER ASSOC's 72 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
436
Total Violations
72
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
175
County
Poinsett
School/Daycare
No
MCL Violations
6
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 17 2019
Coliform (TCR) MR 12 2006
Consumer Confidence Rule Other 10 2018
Coliform (TCR) MCL 6 2000
Revised Total Coliform Rule Other 5 2017
Revised Total Coliform Rule MON 5 2017
Coliform (TCR) Other 4 1998
Public Notice Other 4 2020
Chlorine MR 2 2004
Lead and Copper Rule MR 1 2016

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 HEAFER-BLACK OAK WATER ASSOC.

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 AR0000427 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
2020 Public Notice Other 4 SDWIS / AR0000427 / 7500
2019 Revised Total Coliform Rule RPT 17 SDWIS / AR0000427 / 8000
2018 Consumer Confidence Rule Other 10 SDWIS / AR0000427 / 7000
2017 Revised Total Coliform Rule Other 5 SDWIS / AR0000427 / 8000
2017 Revised Total Coliform Rule MON 5 SDWIS / AR0000427 / 8000
2016 Lead and Copper Rule MR 1 SDWIS / AR0000427 / 5000
2006 Coliform (TCR) MR 12 SDWIS / AR0000427 / 3100
2004 Chlorine MR 2 SDWIS / AR0000427 / 0999
2000 Coliform (TCR) MCL 6 SDWIS / AR0000427 / 3100
1998 Coliform (TCR) Other 4 SDWIS / AR0000427 / 3100

How HEAFER-BLACK OAK WATER ASSOC Compares

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

Metric HEAFER-BLACK OAK WATER ASSOC Arkansas avg Federal benchmark
Total violations 72 52.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 436 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 HEAFER-BLACK OAK WATER ASSOC water safe to drink?
HEAFER-BLACK OAK WATER ASSOC (PWS ID: AR0000427) has 72 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 436 people using Groundwater sources.
How many people does HEAFER-BLACK OAK WATER ASSOC serve?
HEAFER-BLACK OAK WATER ASSOC serves 436 people in PROCTOR, Arkansas. It is a Local-owned system using Groundwater water sources with 175 service connections.
What type of violations does HEAFER-BLACK OAK WATER ASSOC have?
HEAFER-BLACK OAK WATER ASSOC has 72 total violations: 6 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HEAFER-BLACK OAK WATER ASSOC water?
No PFAS testing data is available for HEAFER-BLACK OAK WATER ASSOC under the EPA's UCMR5 monitoring program.
What water source does HEAFER-BLACK OAK WATER ASSOC use?
HEAFER-BLACK OAK WATER ASSOC 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