Public water system · NH1335010
ActiveMast Way Elementary Sch
At a glance
Mast Way Elementary Sch (PWSID NH1335010) is an active non-transient non-community water system in Strafford County, New Hampshire. It reports serving 440 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
440
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mast Way Elementary Sch compare with other water systems in Strafford County?
By EPA's size categories, Mast Way Elementary Sch is a very small system (500 people or fewer). Strafford County has 131 active public water systems. Its population served is about half of the county average of 825 people per system, and accounts for 0.4% of the 108,010 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 Mast Way Elementary Sch is roughly in line with 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 Mast Way Elementary Sch?
EPA lists Mast Way Elementary Sch as owned by a local government. 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. 20 of the 131 active systems in Strafford County (15%) are also owned by a local government.
Does Mast Way Elementary Sch have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2018. The violations listed here began between June 2015 and September 2018. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and E. coli. EPA lists 2 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 |
|---|---|---|---|---|
| 2018-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2015-06-17 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
All 2 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.
Mast Way Elementary Sch: frequently asked questions
Who runs Mast Way Elementary Sch?
Mast Way Elementary Sch (PWSID NH1335010) is a non-transient non-community water system owned by a local government. It is regulated by the NH state drinking water program.
How many people does Mast Way Elementary Sch serve?
Mast Way Elementary Sch reports serving 440 people through 1 service connection in Strafford County, New Hampshire.
Where does Mast Way Elementary 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 Mast Way Elementary Sch have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2018. 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 Mast Way Elementary 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 2 violations for this system; 1 is health-based, and the most recent began in September 2018. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Mast Way Elementary Sch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mast Way Elementary 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 Strafford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dover Water Dept | Strafford | 29,000 | Community | Groundwater |
| Rochester Water Dept | Strafford | 25,000 | Community | Surface water |
| Unh/Durham Water Sys | Strafford | 16,000 | Community | Surface water |
| Somersworth Water Works | Strafford | 12,200 | Community | Surface water |
| Farmington Water Dept | Strafford | 3,250 | Community | Groundwater |
| Rollinsford Water Sewer Dist | Strafford | 1,688 | 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, “Mast Way Elementary Sch, PWSID NH1335010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/mast-way-elementary-sch-nh1335010 (data as of October 1, 2026).