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States → North Carolina

FIVE OAKS S/D

PWS ID: NC0102127 · CARY, North Carolina 27511

FIVE OAKS S/D serves 99 people in CARY, North Carolina using Groundwater water sources. It has 262 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: FIVE OAKS S/D

FIVE OAKS S/D is a private-owned community water system that delivers drinking water to 99 residents in CARY, North Carolina (Alexander County) through 39 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 262 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 256 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 Toluene, recorded in 12 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. FIVE OAKS S/D's 262 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
99
Total Violations
262
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
39
County
Alexander
School/Daycare
No
MCL Violations
0
Monitoring Violations
256
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Toluene MR 12 2003
Benzene MR 12 2003
trans-1,2-Dichloroethylene MR 12 2003
1,1-Dichloroethylene MR 12 2003
p-Dichlorobenzene MR 12 2003
Tetrachloroethylene MR 12 2003
Vinyl chloride MR 12 2003
Ethylbenzene MR 12 2003
Trichloroethylene MR 12 2003
1,2-Dichloropropane MR 12 2003
Carbon tetrachloride MR 12 2003
DICHLOROMETHANE MR 12 2003
Xylenes, Total MR 12 2003
1,2,4-Trichlorobenzene MR 12 2003
cis-1,2-Dichloroethylene MR 12 2003
o-Dichlorobenzene MR 12 2003
1,2-Dichloroethane MR 12 2003
CHLOROBENZENE MR 12 2003
1,1,2-Trichloroethane MR 12 2003
1,1,1-Trichloroethane MR 12 2003
Styrene MR 12 2003
Consumer Confidence Rule Other 6 2024
Chlorine MR 4 2004

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 FIVE OAKS 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 NC0102127 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 FIVE OAKS 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 / NC0102127 / 7000
2004 Chlorine MR 4 SDWIS / NC0102127 / 0999
2003 Toluene MR 12 SDWIS / NC0102127 / 2991
2003 Benzene MR 12 SDWIS / NC0102127 / 2990
2003 trans-1,2-Dichloroethylene MR 12 SDWIS / NC0102127 / 2979
2003 1,1-Dichloroethylene MR 12 SDWIS / NC0102127 / 2977
2003 p-Dichlorobenzene MR 12 SDWIS / NC0102127 / 2969
2003 Tetrachloroethylene MR 12 SDWIS / NC0102127 / 2987
2003 Vinyl chloride MR 12 SDWIS / NC0102127 / 2976
2003 Ethylbenzene MR 12 SDWIS / NC0102127 / 2992
2003 Trichloroethylene MR 12 SDWIS / NC0102127 / 2984
2003 1,2-Dichloropropane MR 12 SDWIS / NC0102127 / 2983
2003 Carbon tetrachloride MR 12 SDWIS / NC0102127 / 2982
2003 DICHLOROMETHANE MR 12 SDWIS / NC0102127 / 2964
2003 Xylenes, Total MR 12 SDWIS / NC0102127 / 2955

How FIVE OAKS S/D Compares

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

Metric FIVE OAKS S/D North Carolina avg Federal benchmark
Total violations 262 104.4 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 99 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 FIVE OAKS S/D water safe to drink? ▼
FIVE OAKS S/D (PWS ID: NC0102127) has 262 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 99 people using Groundwater sources.
How many people does FIVE OAKS S/D serve? ▼
FIVE OAKS S/D serves 99 people in CARY, North Carolina. It is a Private-owned system using Groundwater water sources with 39 service connections.
What type of violations does FIVE OAKS S/D have? ▼
FIVE OAKS S/D has 262 total violations: 0 health-based violations (MCL exceedances or treatment failures), 256 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FIVE OAKS S/D water? ▼
No PFAS testing data is available for FIVE OAKS S/D under the EPA's UCMR5 monitoring program.
What water source does FIVE OAKS S/D use? ▼
FIVE OAKS 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.

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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.

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