Public water system · NH0595040

Active

Longview Sch

At a glance

Longview Sch (PWSID NH0595040) is an active non-transient non-community water system in Rockingham County, New Hampshire. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in January 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNH0595040

System typeNon-transient non-community water system

Activity statusActive

Population served25

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyNH state drinking water program

City servedDeerfield

StateNew Hampshire

ZIP—

CountyRockingham County

How does Longview Sch compare with other water systems in Rockingham County?

By EPA's size categories, Longview Sch 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 non-transient non-community water system reports serving 430 people, so Longview 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 Longview Sch?

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

Does Longview Sch have drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in January 2022. The violations listed here began between April 2001 and January 2022. By type: 3 reporting, 3 contaminant level above the legal limit, 2 monitoring, 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 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
2022-01-10	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2021-12-31	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2021-12-31	ReportingReporting, Assessment Forms (RTCR) · code 4A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-12-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-10-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2018-12-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2018-12-01	MonitoringMonitoring, Additional Routine (RTCR) · code 3B	Revised Total Coliform Rulecode 8000	No	Resolved
2016-08-02	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2011-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2011-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2001-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved

All 11 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.

Longview Sch: frequently asked questions

Who runs Longview Sch?

Longview Sch (PWSID NH0595040) is a non-transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Longview Sch serve?

Longview Sch reports serving 25 people through 1 service connection in Rockingham County, New Hampshire.

Where does Longview 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 Longview Sch have any drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in January 2022. 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 Longview 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 records list 11 violations for this system; 4 are health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Longview Sch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Longview 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 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, “Longview Sch, PWSID NH0595040, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/longview-sch-nh0595040 (data as of October 1, 2026).