Public water system · NH2455040
ActiveJohn Stark Reg High Sch
At a glance
John Stark Reg High Sch (PWSID NH2455040) is an active non-transient non-community water system in Hillsborough County, New Hampshire. It reports serving 698 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 7 violations for this system; 2 are health-based, and the most recent began in July 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
698
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does John Stark Reg High Sch compare with other water systems in Hillsborough County?
By EPA's size categories, John Stark Reg High Sch is a small system (501 to 3,300 people). Hillsborough County has 279 active public water systems. Its population served is about 42% below the county average of 1,206 people per system, and accounts for 0.2% of the 336,507 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 John Stark Reg High Sch is about 62% above 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 John Stark Reg High Sch?
EPA lists John Stark Reg High 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. 36 of the 279 active systems in Hillsborough County (13%) are also owned by a local government.
Does John Stark Reg High Sch have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2012. The violations listed here began between January 1994 and July 2012. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2009-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-10-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2002-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
All 7 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.
John Stark Reg High Sch: frequently asked questions
Who runs John Stark Reg High Sch?
John Stark Reg High Sch (PWSID NH2455040) 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 John Stark Reg High Sch serve?
John Stark Reg High Sch reports serving 698 people through 1 service connection in Hillsborough County, New Hampshire.
Where does John Stark Reg High 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 John Stark Reg High Sch have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2012. 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 John Stark Reg High 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 7 violations for this system; 2 are health-based, and the most recent began in July 2012. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find John Stark Reg High Sch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. John Stark Reg High 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 Hillsborough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Manchester Water Works | Hillsborough | 123,500 | Community | Surface water |
| Pennichuck Water Works | Hillsborough | 88,853 | Community | Surface water |
| Merrimack Village Dist | Hillsborough | 25,500 | Community | Groundwater |
| Hudson Water Dept | Hillsborough | 16,700 | Community | Groundwater |
| Milford Water Utilities Dept | Hillsborough | 9,500 | Community | Purchased surface water |
| Litchfield | Hillsborough | 6,920 | Community | Purchased 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, “John Stark Reg High Sch, PWSID NH2455040, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/john-stark-reg-high-sch-nh2455040 (data as of October 1, 2026).