Public water system · NH1527110
ActiveAmc Three Mile Island
At a glance
Amc Three Mile Island (PWSID NH1527110) is an active transient non-community water system in Belknap County, New Hampshire. It reports serving 120 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in April 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Amc Three Mile Island compare with other water systems in Belknap County?
By EPA's size categories, Amc Three Mile Island is a very small system (500 people or fewer). Belknap County has 255 active public water systems. Its population served is about 57% below the county average of 278 people per system, and accounts for 0.2% 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 transient non-community water system reports serving 144 people, so Amc Three Mile Island is about 17% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Hampshire has 1,291 active transient non-community water systems, 53% 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 Amc Three Mile Island?
EPA lists Amc Three Mile Island as privately owned. 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. 232 of the 255 active systems in Belknap County (91%) are also privately owned.
Does Amc Three Mile Island have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in April 2012. The violations listed here began between January 1997 and April 2012. By type: 3 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2012-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-09-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 6 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.
Amc Three Mile Island: frequently asked questions
Who runs Amc Three Mile Island?
Amc Three Mile Island (PWSID NH1527110) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Amc Three Mile Island serve?
Amc Three Mile Island reports serving 120 people through 5 service connections in Belknap County, New Hampshire.
Where does Amc Three Mile 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 Amc Three Mile Island have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in April 2012. 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 Amc Three Mile 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 6 violations for this system; 3 are health-based, and the most recent began in April 2012. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Amc Three Mile Island's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Amc Three Mile Island is a 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, “Amc Three Mile Island, PWSID NH1527110, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/amc-three-mile-island-nh1527110 (data as of October 1, 2026).