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Community Water System · PWS AR0000292

Ludwig Water Association

Clarksville, Arkansas 72830-0086 - drinking water served from surface water sources to 1,610 people, tracked in EPA SDWIS and UCMR5.

1,610
People served
24
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 24 drinking-water violations at Ludwig Water Association, 13% of them health-based - below the Arkansas per-system average.

24
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
1,610
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ludwig Water Association

Ludwig Water Association is a local-owned community water system that delivers drinking water to 1,610 residents in Clarksville, Arkansas (Johnson County) through 644 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 3 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 2 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 3 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. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%).

Ludwig Water Association's 24 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
1,610
Total Violations
24
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
644
County
Johnson
School/Daycare
No
MCL Violations
3
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 3 1994
Coliform (TCR) Other 2 1994
Surface Water Treatment Rule Other 2 1997
Coliform (TCR) MR 2 1994
Consumer Confidence Rule Other 1 2015
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 Ludwig Water Association.

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 AR0000292 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
2015 Consumer Confidence Rule Other 1 SDWIS / AR0000292 / 7000
1997 Surface Water Treatment Rule Other 2 SDWIS / AR0000292 / 0200
1994 Coliform (TCR) MCL 3 SDWIS / AR0000292 / 3100
1994 Coliform (TCR) Other 2 SDWIS / AR0000292 / 3100
1994 Coliform (TCR) MR 2 SDWIS / AR0000292 / 3100
1990 Coliform (Pre-TCR) Other 1 SDWIS / AR0000292 / 3000

How Ludwig Water Association Compares

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

Metric Ludwig Water Association Arkansas avg Federal benchmark
Total violations 24 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 1,610 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 Ludwig Water Association water safe to drink? ▼
Ludwig Water Association (PWS ID: AR0000292) has 24 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,610 people using Surface Water sources.
How many people does Ludwig Water Association serve? ▼
Ludwig Water Association serves 1,610 people in Clarksville, Arkansas. It is a Local-owned system using Surface Water water sources with 644 service connections.
What type of violations does Ludwig Water Association have? ▼
Ludwig Water Association has 24 total violations: 3 health-based violations (MCL exceedances or treatment failures), 2 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ludwig Water Association water? ▼
No PFAS testing data is available for Ludwig Water Association under the EPA's UCMR5 monitoring program.
What water source does Ludwig Water Association use? ▼
Ludwig Water Association 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. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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.