PlainWater

Community Water System · PWS NC0431085

Duplin County Water System

Kenansville, North Carolina 28349 - drinking water served from groundwater sources to 18,542 people, tracked in EPA SDWIS and UCMR5.

18,542
People served
646
EPA violations
6
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 646 drinking-water violations at Duplin County Water System, 1% of them health-based - above the North Carolina per-system average.

646
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
18,542
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Duplin County Water System

Duplin County Water System is a local-owned community water system that delivers drinking water to 18,542 residents in Kenansville, North Carolina (Duplin County) through 7,900 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 646 total violations for this system , of which 6 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 613 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Benzene, recorded in 16 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 North Carolina, EPA tracks 5,020 public water systems serving 9,877,724 people, with 524,053 cumulative violations and 38,492 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 104.4 violations. Statewide, 174 of 287 UCMR5-tested systems have reported PFAS detections (60.6%).

Duplin County Water System's 646 violations sit above the North Carolina 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
18,542
Total Violations
646
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,900
County
Duplin
School/Daycare
No
MCL Violations
6
Monitoring Violations
613
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Benzene MR 16 2007
Styrene MR 16 2007
Toluene MR 16 2007
cis-1,2-Dichloroethylene MR 16 2007
DICHLOROMETHANE MR 16 2007
Vinyl chloride MR 16 2007
1,2-Dichloroethane MR 16 2007
1,1,1-Trichloroethane MR 16 2007
Carbon tetrachloride MR 16 2007
1,1,2-Trichloroethane MR 16 2007
Tetrachloroethylene MR 16 2007
Ethylbenzene MR 16 2007
1,2,4-Trichlorobenzene MR 16 2007
Xylenes, Total MR 16 2007
o-Dichlorobenzene MR 16 2007
p-Dichlorobenzene MR 16 2007
trans-1,2-Dichloroethylene MR 16 2007
1,2-Dichloropropane MR 16 2007
Trichloroethylene MR 16 2007
CHLOROBENZENE MR 16 2007
1,1-Dichloroethylene MR 16 2007
Consumer Confidence Rule Other 11 2005
Public Notice Other 10 2009
Endrin MR 8 2005
Methoxychlor MR 8 2005
Toxaphene MR 8 2005
Dalapon MR 8 2005
Simazine MR 8 2005
Picloram MR 8 2005
Hexachlorocyclopentadiene MR 8 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 754 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/14/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/14/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/14/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/14/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/14/2024 <8.00 ppt 8.00 ppt Not Detected
PFUnA 8/14/2024 <2.00 ppt 2.00 ppt Not Detected
PFBA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/14/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/14/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/14/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/14/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/14/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/14/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/14/2024 <3.00 ppt 3.00 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 Duplin County Water System.

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 NC0431085 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

North Carolina Drinking Water Authority

North Carolina DEQ, Public Water Supply Section is the primacy agency that licenses and inspects Duplin County Water System under EPA-delegated authority.

Open NC regulator portal

Source: North Carolina DEQ, Public Water Supply Section

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
2016 Revised Total Coliform Rule RPT 5 SDWIS / NC0431085 / 8000
2009 Public Notice Other 10 SDWIS / NC0431085 / 7500
2007 Benzene MR 16 SDWIS / NC0431085 / 2990
2007 Styrene MR 16 SDWIS / NC0431085 / 2996
2007 Toluene MR 16 SDWIS / NC0431085 / 2991
2007 cis-1,2-Dichloroethylene MR 16 SDWIS / NC0431085 / 2380
2007 DICHLOROMETHANE MR 16 SDWIS / NC0431085 / 2964
2007 Vinyl chloride MR 16 SDWIS / NC0431085 / 2976
2007 1,2-Dichloroethane MR 16 SDWIS / NC0431085 / 2980
2007 1,1,1-Trichloroethane MR 16 SDWIS / NC0431085 / 2981
2007 Carbon tetrachloride MR 16 SDWIS / NC0431085 / 2982
2007 1,1,2-Trichloroethane MR 16 SDWIS / NC0431085 / 2985
2007 Tetrachloroethylene MR 16 SDWIS / NC0431085 / 2987
2007 Ethylbenzene MR 16 SDWIS / NC0431085 / 2992
2007 1,2,4-Trichlorobenzene MR 16 SDWIS / NC0431085 / 2378

How Duplin County Water System Compares

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

Metric Duplin County Water System North Carolina avg Federal benchmark
Total violations 646 104.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 7.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 18,542 1,968 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,020 regulated public water systems in North Carolina.

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 Duplin County Water System water safe to drink?
Duplin County Water System (PWS ID: NC0431085) has 646 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 18,542 people using Groundwater sources.
How many people does Duplin County Water System serve?
Duplin County Water System serves 18,542 people in Kenansville, North Carolina. It is a Local-owned system using Groundwater water sources with 7,900 service connections.
What type of violations does Duplin County Water System have?
Duplin County Water System has 646 total violations: 6 health-based violations (MCL exceedances or treatment failures), 613 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Duplin County Water System water?
No. Duplin County Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Duplin County Water System use?
Duplin County Water System 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.
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.