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Community Water System · PWS AR0000304

Sedgwick Waterworks

Sedgwick, Arkansas 72465-0000 - drinking water served from surface water sources to 249 people, tracked in EPA SDWIS and UCMR5.

249
People served
44
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 44 drinking-water violations at Sedgwick Waterworks, 41% of them health-based - below the Arkansas per-system average.

44
Total EPA violations on record
41%
Health-based (MCL / treatment failure)
249
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sedgwick Waterworks

Sedgwick Waterworks is a local-owned community water system that delivers drinking water to 249 residents in Sedgwick, Arkansas (Lawrence County) through 104 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 18 (41%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 16 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 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%).

Sedgwick Waterworks's 44 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
249
Total Violations
44
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
104
County
Lawrence
School/Daycare
No
MCL Violations
18
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 13 2009
Chlorine MR 13 2006
Revised Total Coliform Rule RPT 5 2017
TTHM MCL 5 2009
Consumer Confidence Rule Other 2 2004
Revised Total Coliform Rule MON 2 2017
Coliform (TCR) MR 1 2002

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 Sedgwick 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 AR0000304 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
2017 Revised Total Coliform Rule RPT 5 SDWIS / AR0000304 / 8000
2017 Revised Total Coliform Rule MON 2 SDWIS / AR0000304 / 8000
2009 Coliform (TCR) MCL 13 SDWIS / AR0000304 / 3100
2009 TTHM MCL 5 SDWIS / AR0000304 / 2950
2006 Chlorine MR 13 SDWIS / AR0000304 / 0999
2004 Consumer Confidence Rule Other 2 SDWIS / AR0000304 / 7000
2002 Coliform (TCR) MR 1 SDWIS / AR0000304 / 3100

How Sedgwick Waterworks Compares

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

Metric Sedgwick Waterworks Arkansas avg Federal benchmark
Total violations 44 52.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 249 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 Sedgwick Waterworks water safe to drink? ▼
Sedgwick Waterworks (PWS ID: AR0000304) has 44 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 249 people using Surface Water sources.
How many people does Sedgwick Waterworks serve? ▼
Sedgwick Waterworks serves 249 people in Sedgwick, Arkansas. It is a Local-owned system using Surface Water water sources with 104 service connections.
What type of violations does Sedgwick Waterworks have? ▼
Sedgwick Waterworks has 44 total violations: 18 health-based violations (MCL exceedances or treatment failures), 16 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sedgwick Waterworks water? ▼
No PFAS testing data is available for Sedgwick Waterworks under the EPA's UCMR5 monitoring program.
What water source does Sedgwick Waterworks use? ▼
Sedgwick Waterworks 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.