PlainWater

MILLSTONE S/D

PWS ID: NC4035009 · GARNER, North Carolina 27529

MILLSTONE S/D serves 272 people in GARNER, North Carolina using Groundwater water sources. It has 29 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MILLSTONE S/D

MILLSTONE S/D is a private-owned community water system that delivers drinking water to 272 residents in GARNER, North Carolina (Franklin County) through 107 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 1 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 19 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 Consumer Confidence Rule, recorded in 7 violations (Other). 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. MILLSTONE S/D's 29 violations sit below 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
272
Total Violations
29
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
107
County
Franklin
School/Daycare
No
MCL Violations
0
Monitoring Violations
19
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 7 2025
TTHM MR 7 2011
Total Haloacetic Acids (HAA5) MR 7 2011
Lead and Copper Rule MR 5 2025
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Public Notice Other 1 2013
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 MILLSTONE 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 NC4035009 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 MILLSTONE 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
2025 Consumer Confidence Rule Other 7 SDWIS / NC4035009 / 7000
2025 Lead and Copper Rule MR 5 SDWIS / NC4035009 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / NC4035009 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / NC4035009 / 5200
2013 Public Notice Other 1 SDWIS / NC4035009 / 7500
2011 TTHM MR 7 SDWIS / NC4035009 / 2950
2011 Total Haloacetic Acids (HAA5) MR 7 SDWIS / NC4035009 / 2456

How MILLSTONE S/D Compares

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

Metric MILLSTONE S/D North Carolina avg Federal benchmark
Total violations 29 104.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 272 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 MILLSTONE S/D water safe to drink?
MILLSTONE S/D (PWS ID: NC4035009) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 272 people using Groundwater sources.
How many people does MILLSTONE S/D serve?
MILLSTONE S/D serves 272 people in GARNER, North Carolina. It is a Private-owned system using Groundwater water sources with 107 service connections.
What type of violations does MILLSTONE S/D have?
MILLSTONE S/D has 29 total violations: 1 health-based violations (MCL exceedances or treatment failures), 19 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MILLSTONE S/D water?
No PFAS testing data is available for MILLSTONE S/D under the EPA's UCMR5 monitoring program.
What water source does MILLSTONE S/D use?
MILLSTONE 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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial