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Community Water System · PWS AR0000349

Madison Co Water Facilities Bd

Huntsville, Arkansas 72740-0000 - drinking water served from surface water sources to 11,435 people, tracked in EPA SDWIS and UCMR5.

11,435
People served
17
EPA violations
3
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 17 drinking-water violations at Madison Co Water Facilities Bd, 18% of them health-based - below the Arkansas per-system average.

17
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
11,435
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Madison Co Water Facilities Bd

Madison Co Water Facilities Bd is a local-owned community water system that delivers drinking water to 11,435 residents in Huntsville, Arkansas (Washington County) through 4,574 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 17 total violations for this system , of which 3 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%).

Madison Co Water Facilities Bd's 17 violations sit below the Arkansas average.

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
11,435
Total Violations
17
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,574
County
Washington
School/Daycare
No
MCL Violations
3
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2009
Surface Water Treatment Rule MR 3 1995
Coliform (TCR) MCL 3 2008
Surface Water Treatment Rule Other 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/24/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 9/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 9/24/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpS 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/24/2024 <20.00 ppt 20.00 ppt Not Detected
PFUnA 9/24/2024 <2.00 ppt 2.00 ppt Not Detected
PFBS 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/24/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/24/2024 <6.00 ppt 6.00 ppt Not Detected
PFHpA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/31/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/31/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/31/2024 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/31/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/31/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/31/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/31/2024 <5.00 ppt 5.00 ppt Not Detected

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 Madison Co Water Facilities Bd.

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 AR0000349 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
2009 Coliform (TCR) MR 8 SDWIS / AR0000349 / 3100
2008 Coliform (TCR) MCL 3 SDWIS / AR0000349 / 3100
1996 Surface Water Treatment Rule Other 1 SDWIS / AR0000349 / 0200
1995 Surface Water Treatment Rule MR 3 SDWIS / AR0000349 / 0200

How Madison Co Water Facilities Bd Compares

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

Metric Madison Co Water Facilities Bd Arkansas avg Federal benchmark
Total violations 17 52.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 11,435 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Madison Co Water Facilities Bd water safe to drink?
Madison Co Water Facilities Bd (PWS ID: AR0000349) has 17 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 11,435 people using Surface Water sources.
How many people does Madison Co Water Facilities Bd serve?
Madison Co Water Facilities Bd serves 11,435 people in Huntsville, Arkansas. It is a Local-owned system using Surface Water water sources with 4,574 service connections.
What type of violations does Madison Co Water Facilities Bd have?
Madison Co Water Facilities Bd has 17 total violations: 3 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Madison Co Water Facilities Bd water?
No. Madison Co Water Facilities Bd was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Madison Co Water Facilities Bd use?
Madison Co Water Facilities Bd uses Surface Water 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.