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Community Water System · PWS NC0136198

Sunset Park S/D

Cary, North Carolina 27511 - drinking water served from groundwater sources to 216 people, tracked in EPA SDWIS and UCMR5.

216
People served
145
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 145 drinking-water violations at Sunset Park S/D, 3% of them health-based - above the North Carolina per-system average.

145
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
216
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunset Park S/D

Sunset Park S/D is a private-owned community water system that delivers drinking water to 216 residents in Cary, North Carolina (Gaston County) through 85 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 145 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 121 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 18 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Sunset Park S/D's 145 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
216
Total Violations
145
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
85
County
Gaston
School/Daycare
No
MCL Violations
4
Monitoring Violations
121
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 18 1993
Arsenic MR 17 1989
Nitrate MR 14 1993
Gross Alpha, Excl. Radon and U MR 14 1995
Chromium MR 9 1989
Cadmium MR 9 1989
Fluoride MR 9 1989
Mercury MR 9 1989
Selenium MR 9 1989
Barium MR 9 1989
Consumer Confidence Rule Other 6 2024
Coliform (TCR) MCL 4 2004
Combined Radium (-226 and -228) MR 2 1980
Gross Beta Particle Activity MR 2 1980

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 Sunset Park S/D.

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 NC0136198 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 Sunset Park S/D 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
2024 Consumer Confidence Rule Other 6 SDWIS / NC0136198 / 7000
2004 Coliform (TCR) MCL 4 SDWIS / NC0136198 / 3100
1995 Gross Alpha, Excl. Radon and U MR 14 SDWIS / NC0136198 / 4000
1993 Lead and Copper Rule MR 18 SDWIS / NC0136198 / 5000
1993 Nitrate MR 14 SDWIS / NC0136198 / 1040
1989 Arsenic MR 17 SDWIS / NC0136198 / 1005
1989 Chromium MR 9 SDWIS / NC0136198 / 1020
1989 Cadmium MR 9 SDWIS / NC0136198 / 1015
1989 Fluoride MR 9 SDWIS / NC0136198 / 1025
1989 Mercury MR 9 SDWIS / NC0136198 / 1035
1989 Selenium MR 9 SDWIS / NC0136198 / 1045
1989 Barium MR 9 SDWIS / NC0136198 / 1010
1980 Combined Radium (-226 and -228) MR 2 SDWIS / NC0136198 / 4010
1980 Gross Beta Particle Activity MR 2 SDWIS / NC0136198 / 4100

How Sunset Park S/D Compares

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

Metric Sunset Park S/D North Carolina avg Federal benchmark
Total violations 145 104.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 216 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 Sunset Park S/D water safe to drink? ▼
Sunset Park S/D (PWS ID: NC0136198) has 145 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 216 people using Groundwater sources.
How many people does Sunset Park S/D serve? ▼
Sunset Park S/D serves 216 people in Cary, North Carolina. It is a Private-owned system using Groundwater water sources with 85 service connections.
What type of violations does Sunset Park S/D have? ▼
Sunset Park S/D has 145 total violations: 4 health-based violations (MCL exceedances or treatment failures), 121 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunset Park S/D water? ▼
No PFAS testing data is available for Sunset Park S/D under the EPA's UCMR5 monitoring program.
What water source does Sunset Park S/D use? ▼
Sunset Park S/D 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. 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.