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Public water system · NH1398090

Active

Oak Hill Professional Park

At a glance

Oak Hill Professional Park (PWSID NH1398090) is an active transient non-community water system in Rockingham County, New Hampshire. It reports serving 100 people through 2 service connections. 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

100

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH1398090
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedLondonderry
StateNew Hampshire
ZIP—
CountyRockingham County

How does Oak Hill Professional Park compare with other water systems in Rockingham County?

By EPA's size categories, Oak Hill Professional Park is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is well below the county average of 492 people per system, and accounts for less than 0.1% of the 272,726 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 Oak Hill Professional Park is about 31% 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 Oak Hill Professional Park?

EPA lists Oak Hill Professional Park 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. 477 of the 554 active systems in Rockingham County (86%) are also privately owned.

Does Oak Hill Professional Park 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 Oak Hill Professional Park. For the latest compliance status, check EPA ECHO for current compliance history.

Oak Hill Professional Park: frequently asked questions

Who runs Oak Hill Professional Park?

Oak Hill Professional Park (PWSID NH1398090) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Oak Hill Professional Park serve?

Oak Hill Professional Park reports serving 100 people through 2 service connections in Rockingham County, New Hampshire.

Where does Oak Hill Professional Park 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 Oak Hill Professional Park have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Oak Hill Professional Park'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 Oak Hill Professional Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Oak Hill Professional Park 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 Rockingham County

Water systemCountyPopulation servedTypeSource
Aquarion Water/NhRockingham34,000CommunityGroundwater
Portsmouth Water WorksRockingham33,000CommunitySurface water
Salem Water DeptRockingham21,000CommunitySurface water
Derry Water DeptRockingham17,370CommunityPurchased surface water
Seabrook Water DeptRockingham14,000CommunityGroundwater
Exeter Water DeptRockingham12,236CommunitySurface 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, “Oak Hill Professional Park, PWSID NH1398090, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/oak-hill-professional-park-nh1398090 (data as of October 1, 2026).