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CHINQUAPIN WATER ASSOCIATION

PWS ID: NC0431050 · CHINQUAPIN, North Carolina 28521

CHINQUAPIN WATER ASSOCIATION serves 4,686 people in CHINQUAPIN, North Carolina using Groundwater water sources. It has 149 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CHINQUAPIN WATER ASSOCIATION

CHINQUAPIN WATER ASSOCIATION is a private-owned community water system that delivers drinking water to 4,686 residents in CHINQUAPIN, North Carolina (Duplin County) through 2,103 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 149 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 141 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Lead and Copper Rule, 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. CHINQUAPIN WATER ASSOCIATION's 149 violations sit above the North Carolina average. Statewide, 174 of 287 UCMR5-tested systems have reported PFAS detections (60.6%). 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
4,686
Total Violations
149
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2,103
County
Duplin
School/Daycare
No
MCL Violations
0
Monitoring Violations
141
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 16 1993
Coliform (TCR) MR 7 2009
1,2,4-Trichlorobenzene MR 5 2009
cis-1,2-Dichloroethylene MR 5 2009
Xylenes, Total MR 5 2009
p-Dichlorobenzene MR 5 2009
Vinyl chloride MR 5 2009
trans-1,2-Dichloroethylene MR 5 2009
Carbon tetrachloride MR 5 2009
1,2-Dichloropropane MR 5 2009
Trichloroethylene MR 5 2009
1,1,2-Trichloroethane MR 5 2009
Tetrachloroethylene MR 5 2009
CHLOROBENZENE MR 5 2009
Toluene MR 5 2009
Ethylbenzene MR 5 2009
Styrene MR 5 2009
TTHM MR 5 2019
Benzene MR 5 2009
o-Dichlorobenzene MR 5 2009
1,1,1-Trichloroethane MR 5 2009
DICHLOROMETHANE MR 5 2009
1,1-Dichloroethylene MR 5 2009
1,2-Dichloroethane MR 5 2009
Chlorine MR 4 2009
Total Haloacetic Acids (HAA5) MR 4 2019
Public Notice Other 2 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 8/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/14/2024 <0.004 µg/L 0.004 µg/L 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 CHINQUAPIN 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 NC0431050 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 CHINQUAPIN WATER ASSOCIATION 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
2019 TTHM MR 5 SDWIS / NC0431050 / 2950
2019 Total Haloacetic Acids (HAA5) MR 4 SDWIS / NC0431050 / 2456
2009 Coliform (TCR) MR 7 SDWIS / NC0431050 / 3100
2009 1,2,4-Trichlorobenzene MR 5 SDWIS / NC0431050 / 2378
2009 cis-1,2-Dichloroethylene MR 5 SDWIS / NC0431050 / 2380
2009 Xylenes, Total MR 5 SDWIS / NC0431050 / 2955
2009 p-Dichlorobenzene MR 5 SDWIS / NC0431050 / 2969
2009 Vinyl chloride MR 5 SDWIS / NC0431050 / 2976
2009 trans-1,2-Dichloroethylene MR 5 SDWIS / NC0431050 / 2979
2009 Carbon tetrachloride MR 5 SDWIS / NC0431050 / 2982
2009 1,2-Dichloropropane MR 5 SDWIS / NC0431050 / 2983
2009 Trichloroethylene MR 5 SDWIS / NC0431050 / 2984
2009 1,1,2-Trichloroethane MR 5 SDWIS / NC0431050 / 2985
2009 Tetrachloroethylene MR 5 SDWIS / NC0431050 / 2987
2009 CHLOROBENZENE MR 5 SDWIS / NC0431050 / 2989

How CHINQUAPIN WATER ASSOCIATION Compares

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

Metric CHINQUAPIN WATER ASSOCIATION North Carolina avg Federal benchmark
Total violations 149 104.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 4,686 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CHINQUAPIN WATER ASSOCIATION water safe to drink? ▼
CHINQUAPIN WATER ASSOCIATION (PWS ID: NC0431050) has 149 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,686 people using Groundwater sources.
How many people does CHINQUAPIN WATER ASSOCIATION serve? ▼
CHINQUAPIN WATER ASSOCIATION serves 4,686 people in CHINQUAPIN, North Carolina. It is a Private-owned system using Groundwater water sources with 2,103 service connections.
What type of violations does CHINQUAPIN WATER ASSOCIATION have? ▼
CHINQUAPIN WATER ASSOCIATION has 149 total violations: 0 health-based violations (MCL exceedances or treatment failures), 141 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CHINQUAPIN WATER ASSOCIATION water? ▼
No. CHINQUAPIN WATER ASSOCIATION was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does CHINQUAPIN WATER ASSOCIATION use? ▼
CHINQUAPIN WATER ASSOCIATION 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.

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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.

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

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial