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Community Water System · PWS NC0118280

Bunker Hill Estates S/D

Cary, North Carolina 27511 - drinking water served from groundwater sources to 178 people, tracked in EPA SDWIS and UCMR5.

178
People served
516
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 516 drinking-water violations at Bunker Hill Estates S/D - above the North Carolina per-system average.

516
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
178
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bunker Hill Estates S/D

Bunker Hill Estates S/D is a private-owned community water system that delivers drinking water to 178 residents in Cary, North Carolina (Catawba County) through 70 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 516 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 459 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 Nitrate, recorded in 24 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%).

Bunker Hill Estates S/D's 516 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
178
Total Violations
516
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
70
County
Catawba
School/Daycare
No
MCL Violations
0
Monitoring Violations
459
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 24 2007
Consumer Confidence Rule Other 19 2024
Tetrachloroethylene MR 14 2006
trans-1,2-Dichloroethylene MR 14 2006
1,1-Dichloroethylene MR 14 2006
Vinyl chloride MR 14 2006
o-Dichlorobenzene MR 14 2006
Trichloroethylene MR 14 2006
CHLOROBENZENE MR 14 2006
Styrene MR 14 2006
Ethylbenzene MR 14 2006
Benzene MR 14 2006
Xylenes, Total MR 14 2006
p-Dichlorobenzene MR 14 2006
Carbon tetrachloride MR 14 2006
1,2,4-Trichlorobenzene MR 14 2006
DICHLOROMETHANE MR 14 2006
1,2-Dichloroethane MR 14 2006
1,1,1-Trichloroethane MR 14 2006
1,2-Dichloropropane MR 14 2006
1,1,2-Trichloroethane MR 14 2006
cis-1,2-Dichloroethylene MR 14 2006
Toluene MR 14 2006
Lead and Copper Rule MR 12 1993
Public Notice Other 10 2009
Di(2-ethylhexyl) adipate MR 4 2002
Dalapon MR 4 2002
Toxaphene MR 4 2002
Endrin MR 4 2002
ETHYLENE DIBROMIDE MR 4 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 Bunker Hill Estates 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 NC0118280 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 Bunker Hill Estates 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 19 SDWIS / NC0118280 / 7000
2009 Public Notice Other 10 SDWIS / NC0118280 / 7500
2007 Nitrate MR 24 SDWIS / NC0118280 / 1040
2006 Tetrachloroethylene MR 14 SDWIS / NC0118280 / 2987
2006 trans-1,2-Dichloroethylene MR 14 SDWIS / NC0118280 / 2979
2006 1,1-Dichloroethylene MR 14 SDWIS / NC0118280 / 2977
2006 Vinyl chloride MR 14 SDWIS / NC0118280 / 2976
2006 o-Dichlorobenzene MR 14 SDWIS / NC0118280 / 2968
2006 Trichloroethylene MR 14 SDWIS / NC0118280 / 2984
2006 CHLOROBENZENE MR 14 SDWIS / NC0118280 / 2989
2006 Styrene MR 14 SDWIS / NC0118280 / 2996
2006 Ethylbenzene MR 14 SDWIS / NC0118280 / 2992
2006 Benzene MR 14 SDWIS / NC0118280 / 2990
2006 Xylenes, Total MR 14 SDWIS / NC0118280 / 2955
2006 p-Dichlorobenzene MR 14 SDWIS / NC0118280 / 2969

How Bunker Hill Estates S/D Compares

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

Metric Bunker Hill Estates S/D North Carolina avg Federal benchmark
Total violations 516 104.4 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 178 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 Bunker Hill Estates S/D water safe to drink? ▼
Bunker Hill Estates S/D (PWS ID: NC0118280) has 516 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 178 people using Groundwater sources.
How many people does Bunker Hill Estates S/D serve? ▼
Bunker Hill Estates S/D serves 178 people in Cary, North Carolina. It is a Private-owned system using Groundwater water sources with 70 service connections.
What type of violations does Bunker Hill Estates S/D have? ▼
Bunker Hill Estates S/D has 516 total violations: 0 health-based violations (MCL exceedances or treatment failures), 459 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bunker Hill Estates S/D water? ▼
No PFAS testing data is available for Bunker Hill Estates S/D under the EPA's UCMR5 monitoring program.
What water source does Bunker Hill Estates S/D use? ▼
Bunker Hill Estates 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.