Public water system · NH1165010
ActiveWhite Mountain Montessori Sch
At a glance
White Mountain Montessori Sch (PWSID NH1165010) is an active non-transient non-community water system in Grafton County, New Hampshire. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does White Mountain Montessori Sch compare with other water systems in Grafton County?
By EPA's size categories, White Mountain Montessori Sch is a very small system (500 people or fewer). Grafton County has 270 active public water systems. Its population served is well below the county average of 394 people per system, and accounts for less than 0.1% of the 106,236 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 White Mountain Montessori Sch 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 White Mountain Montessori Sch?
EPA lists White Mountain Montessori Sch 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. 213 of the 270 active systems in Grafton County (79%) are also privately owned.
Does White Mountain Montessori Sch have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for White Mountain Montessori Sch. For the latest compliance status, check EPA ECHO for current compliance history.
White Mountain Montessori Sch: frequently asked questions
Who runs White Mountain Montessori Sch?
White Mountain Montessori Sch (PWSID NH1165010) is a non-transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does White Mountain Montessori Sch serve?
White Mountain Montessori Sch reports serving 30 people through 1 service connection in Grafton County, New Hampshire.
Where does White Mountain Montessori Sch 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 White Mountain Montessori Sch have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is White Mountain Montessori Sch'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find White Mountain Montessori Sch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. White Mountain Montessori Sch 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 Grafton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lebanon Water Dept | Grafton | 13,600 | Community | Surface water |
| Hanover Water Dept | Grafton | 9,600 | Community | Surface water |
| Plymouth Vlg Water and Sewer | Grafton | 6,700 | Community | Groundwater |
| Littleton Water and Light | Grafton | 6,500 | Community | Surface water |
| Bristol Water Works | Grafton | 3,575 | Community | Groundwater |
| Lincoln Water Works | Grafton | 3,300 | Community | Surface water |
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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, “White Mountain Montessori Sch, PWSID NH1165010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/white-mountain-montessori-sch-nh1165010 (data as of October 1, 2026).