Public water system · NH0886190
ActiveNhdos Marine Patrol Bldg
At a glance
Nhdos Marine Patrol Bldg (PWSID NH0886190) is an active non-transient non-community water system in Belknap County, New Hampshire. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Nhdos Marine Patrol Bldg compare with other water systems in Belknap County?
By EPA's size categories, Nhdos Marine Patrol Bldg is a very small system (500 people or fewer). Belknap County has 255 active public water systems. Its population served is well below the county average of 278 people per system, and accounts for less than 0.1% of the 70,916 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Nhdos Marine Patrol Bldg 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. New Hampshire has 453 active non-transient non-community water systems, 18% of the state's 2,450 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,374 New Hampshire systems (97%) list groundwater as their primary source.
Who owns and regulates Nhdos Marine Patrol Bldg?
EPA lists Nhdos Marine Patrol Bldg as owned by a state government. The NH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 255 active systems in Belknap County (1.2%) are also owned by a state government.
Does Nhdos Marine Patrol Bldg have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2016. The violations listed here began between December 2016 and December 2016. By type: 1 reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-12-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 2 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.
Nhdos Marine Patrol Bldg: frequently asked questions
Who runs Nhdos Marine Patrol Bldg?
Nhdos Marine Patrol Bldg (PWSID NH0886190) is a non-transient non-community water system owned by a state government. It is regulated by the NH state drinking water program.
How many people does Nhdos Marine Patrol Bldg serve?
Nhdos Marine Patrol Bldg reports serving 25 people through 2 service connections in Belknap County, New Hampshire.
Where does Nhdos Marine Patrol Bldg 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 Nhdos Marine Patrol Bldg have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2016. 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 Nhdos Marine Patrol Bldg'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 2 violations for this system; none is health-based, and the most recent began in December 2016. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Nhdos Marine Patrol Bldg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nhdos Marine Patrol Bldg 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 Belknap County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Laconia Water Works | Belknap | 17,125 | Community | Surface water |
| Meredith Water Dept | Belknap | 3,750 | Community | Surface water |
| Locke Lake | Belknap | 2,308 | Community | Surface water |
| Alton Water Works | Belknap | 1,800 | Community | Groundwater |
| Belmont Water Dept | Belknap | 1,612 | Community | Groundwater |
| Gunstock Acres Village Dist | Belknap | 1,440 | 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, “Nhdos Marine Patrol Bldg, PWSID NH0886190, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/nhdos-marine-patrol-bldg-nh0886190 (data as of October 1, 2026).