Public water system · NC0416449
ActiveMcas Bt11-Piney Island
At a glance
Mcas Bt11-Piney Island (PWSID NC0416449) is an active non-transient non-community water system in Carteret County, North Carolina. It reports serving 25 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
6
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mcas Bt11-Piney Island compare with other water systems in Carteret County?
By EPA's size categories, Mcas Bt11-Piney Island is a very small system (500 people or fewer). Carteret County has 75 active public water systems. Its population served is well below the county average of 1,118 people per system, and accounts for less than 0.1% of the 83,818 people reported by systems filed under the county. Across North Carolina, the 5,087 active systems average 1,971 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mcas Bt11-Piney Island is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. North Carolina has 311 active non-transient non-community water systems, 6.1% of the state's 5,087 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,566 North Carolina systems (90%) list groundwater as their primary source.
Who owns and regulates Mcas Bt11-Piney Island?
EPA lists Mcas Bt11-Piney Island as owned by the federal government. The NC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 75 active systems in Carteret County (8%) are also owned by the federal government.
Does Mcas Bt11-Piney Island have drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in January 2026. The violations listed here began between July 1991 and January 2026. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved, 2 as archived and 1 as addressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2005-07-12 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2005-04-20 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 1991-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Mcas Bt11-Piney Island: frequently asked questions
Who runs Mcas Bt11-Piney Island?
Mcas Bt11-Piney Island (PWSID NC0416449) is a non-transient non-community water system owned by the federal government. It is regulated by the NC state drinking water program.
How many people does Mcas Bt11-Piney Island serve?
Mcas Bt11-Piney Island reports serving 25 people through 6 service connections in Carteret County, North Carolina.
Where does Mcas Bt11-Piney Island get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Mcas Bt11-Piney Island have any drinking water violations?
EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in January 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Mcas Bt11-Piney Island's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the NC state drinking water program.
Where can I find Mcas Bt11-Piney Island's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mcas Bt11-Piney Island is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Carteret County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| West Carteret Water Corp | Carteret | 19,512 | Community | Groundwater |
| Morehead City, Town of | Carteret | 18,846 | Community | Groundwater |
| Atlantic Beach, Town of | Carteret | 6,380 | Community | Groundwater |
| Newport Water System | Carteret | 5,453 | Community | Groundwater |
| Bogue Banks Water Corporation | Carteret | 4,995 | Community | Groundwater |
| Pine Knoll Shores | Carteret | 4,800 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Mcas Bt11-Piney Island, PWSID NC0416449, North Carolina”, https://aquacensus.com/water-systems/north-carolina/mcas-bt11-piney-island-nc0416449 (data as of October 1, 2026).