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GENTLE SLOPE SUBDIVISION

PWS ID: NC0392352 · RALEIGH, North Carolina 27609

GENTLE SLOPE SUBDIVISION serves 38 people in RALEIGH, North Carolina using Groundwater water sources. It has 168 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GENTLE SLOPE SUBDIVISION

GENTLE SLOPE SUBDIVISION is a private-owned community water system that delivers drinking water to 38 residents in RALEIGH, North Carolina (Wake County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 168 total violations for this system , of which 7 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 104 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 25 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. GENTLE SLOPE SUBDIVISION's 168 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
38
Total Violations
168
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Wake
School/Daycare
No
MCL Violations
7
Monitoring Violations
104
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 25 2006
Consumer Confidence Rule Other 24 2007
Chlorine MR 17 2024
Revised Total Coliform Rule MON 11 2024
Gross Alpha, Excl. Radon and U MR 8 1999
Public Notice Other 8 2025
Coliform (TCR) MCL 7 2004
TTHM MR 6 2017
Total Haloacetic Acids (HAA5) MR 5 2017
Lead and Copper Rule MR 4 2006
Nitrate MR 4 1999
Mercury MR 2 1993
Nickel MR 2 1993
Cadmium MR 2 1993
Antimony, Total MR 2 1993
Selenium MR 2 1993
Fluoride MR 2 1993
Chromium MR 2 1993
Thallium, Total MR 2 1993
Barium MR 2 1993
Beryllium, Total MR 2 1993
Arsenic MR 2 1993
CYANIDE MR 2 1993

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 GENTLE SLOPE SUBDIVISION.

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 NC0392352 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 GENTLE SLOPE SUBDIVISION 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
2025 Public Notice Other 8 SDWIS / NC0392352 / 7500
2024 Chlorine MR 17 SDWIS / NC0392352 / 0999
2024 Revised Total Coliform Rule MON 11 SDWIS / NC0392352 / 8000
2017 TTHM MR 6 SDWIS / NC0392352 / 2950
2017 Total Haloacetic Acids (HAA5) MR 5 SDWIS / NC0392352 / 2456
2007 Consumer Confidence Rule Other 24 SDWIS / NC0392352 / 7000
2006 Coliform (TCR) MR 25 SDWIS / NC0392352 / 3100
2006 Lead and Copper Rule MR 4 SDWIS / NC0392352 / 5000
2004 Coliform (TCR) MCL 7 SDWIS / NC0392352 / 3100
1999 Gross Alpha, Excl. Radon and U MR 8 SDWIS / NC0392352 / 4000
1999 Nitrate MR 4 SDWIS / NC0392352 / 1040
1993 Mercury MR 2 SDWIS / NC0392352 / 1035
1993 Nickel MR 2 SDWIS / NC0392352 / 1036
1993 Cadmium MR 2 SDWIS / NC0392352 / 1015
1993 Antimony, Total MR 2 SDWIS / NC0392352 / 1074

How GENTLE SLOPE SUBDIVISION Compares

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

Metric GENTLE SLOPE SUBDIVISION North Carolina avg Federal benchmark
Total violations 168 104.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 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 38 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 GENTLE SLOPE SUBDIVISION water safe to drink? ▼
GENTLE SLOPE SUBDIVISION (PWS ID: NC0392352) has 168 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 38 people using Groundwater sources.
How many people does GENTLE SLOPE SUBDIVISION serve? ▼
GENTLE SLOPE SUBDIVISION serves 38 people in RALEIGH, North Carolina. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does GENTLE SLOPE SUBDIVISION have? ▼
GENTLE SLOPE SUBDIVISION has 168 total violations: 7 health-based violations (MCL exceedances or treatment failures), 104 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GENTLE SLOPE SUBDIVISION water? ▼
No PFAS testing data is available for GENTLE SLOPE SUBDIVISION under the EPA's UCMR5 monitoring program.
What water source does GENTLE SLOPE SUBDIVISION use? ▼
GENTLE SLOPE SUBDIVISION 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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