Public water system · NH2549090
ActiveSearles Castle
At a glance
Searles Castle (PWSID NH2549090) is an active transient non-community water system in Rockingham County, New Hampshire. It reports serving 270 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
270
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Searles Castle compare with other water systems in Rockingham County?
By EPA's size categories, Searles Castle is a very small system (500 people or fewer). Rockingham County has 554 active public water systems. Its population served is about half of 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 Searles Castle is about 88% above 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 Searles Castle?
EPA lists Searles Castle 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 Searles Castle 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 Searles Castle. For the latest compliance status, check EPA ECHO for current compliance history.
Searles Castle: frequently asked questions
Who runs Searles Castle?
Searles Castle (PWSID NH2549090) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Searles Castle serve?
Searles Castle reports serving 270 people through 1 service connection in Rockingham County, New Hampshire.
Where does Searles Castle 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 Searles Castle have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Searles Castle'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 Searles Castle's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Searles Castle 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aquarion Water/Nh | Rockingham | 34,000 | Community | Groundwater |
| Portsmouth Water Works | Rockingham | 33,000 | Community | Surface water |
| Salem Water Dept | Rockingham | 21,000 | Community | Surface water |
| Derry Water Dept | Rockingham | 17,370 | Community | Purchased surface water |
| Seabrook Water Dept | Rockingham | 14,000 | Community | Groundwater |
| Exeter Water Dept | Rockingham | 12,236 | 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, “Searles Castle, PWSID NH2549090, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/searles-castle-nh2549090 (data as of October 1, 2026).