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Community Water System · PWS NC0161104

Swiss Pine Lakes

Cary, North Carolina 27511 - drinking water served from surface water sources to 185 people, tracked in EPA SDWIS and UCMR5.

185
People served
149
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 149 drinking-water violations at Swiss Pine Lakes - above the North Carolina per-system average.

149
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
185
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Swiss Pine Lakes

Swiss Pine Lakes is a private-owned community water system that delivers drinking water to 185 residents in Cary, North Carolina (Mitchell County) through 62 service connections. Its water is drawn from surface water 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 132 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 20 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, 143 of 287 UCMR5-tested systems have reported PFAS detections (49.8%).

Swiss Pine Lakes's 149 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
185
Total Violations
149
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
62
County
Mitchell
School/Daycare
No
MCL Violations
0
Monitoring Violations
132
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 20 1993
Nitrate MR 11 1993
Selenium MR 11 1991
Mercury MR 11 1991
Barium MR 11 1991
Arsenic MR 11 1991
Chromium MR 11 1991
Fluoride MR 11 1991
Cadmium MR 11 1991
Consumer Confidence Rule Other 6 2024
CYANIDE MR 4 1991
Beryllium, Total MR 4 1991
Antimony, Total MR 4 1991
Nickel MR 4 1991
Gross Alpha, Excl. Radon and U MR 4 1986
Thallium, Total MR 4 1991

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 Swiss Pine Lakes.

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 NC0161104 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 Swiss Pine Lakes 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 / NC0161104 / 7000
1993 Lead and Copper Rule MR 20 SDWIS / NC0161104 / 5000
1993 Nitrate MR 11 SDWIS / NC0161104 / 1040
1991 Selenium MR 11 SDWIS / NC0161104 / 1045
1991 Mercury MR 11 SDWIS / NC0161104 / 1035
1991 Barium MR 11 SDWIS / NC0161104 / 1010
1991 Arsenic MR 11 SDWIS / NC0161104 / 1005
1991 Chromium MR 11 SDWIS / NC0161104 / 1020
1991 Fluoride MR 11 SDWIS / NC0161104 / 1025
1991 Cadmium MR 11 SDWIS / NC0161104 / 1015
1991 CYANIDE MR 4 SDWIS / NC0161104 / 1024
1991 Beryllium, Total MR 4 SDWIS / NC0161104 / 1075
1991 Antimony, Total MR 4 SDWIS / NC0161104 / 1074
1991 Nickel MR 4 SDWIS / NC0161104 / 1036
1991 Thallium, Total MR 4 SDWIS / NC0161104 / 1085

How Swiss Pine Lakes Compares

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

Metric Swiss Pine Lakes 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 49.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 185 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 Swiss Pine Lakes water safe to drink? ▼
Swiss Pine Lakes (PWS ID: NC0161104) has 149 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 185 people using Surface Water sources.
How many people does Swiss Pine Lakes serve? ▼
Swiss Pine Lakes serves 185 people in Cary, North Carolina. It is a Private-owned system using Surface Water water sources with 62 service connections.
What type of violations does Swiss Pine Lakes have? ▼
Swiss Pine Lakes has 149 total violations: 0 health-based violations (MCL exceedances or treatment failures), 132 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Swiss Pine Lakes water? ▼
No PFAS testing data is available for Swiss Pine Lakes under the EPA's UCMR5 monitoring program.
What water source does Swiss Pine Lakes use? ▼
Swiss Pine Lakes uses Surface Water 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.