Public water system · NH2277040
ActiveMt Sunapee Ski Area/Summit
At a glance
Mt Sunapee Ski Area/Summit (PWSID NH2277040) is an active transient non-community water system in Merrimack County, New Hampshire. It reports serving 950 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
950
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mt Sunapee Ski Area/Summit compare with other water systems in Merrimack County?
By EPA's size categories, Mt Sunapee Ski Area/Summit is a small system (501 to 3,300 people). Merrimack County has 244 active public water systems. Its population served is about 87% above the county average of 509 people per system, and accounts for 0.8% of the 124,152 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 Mt Sunapee Ski Area/Summit is about 6.6 times 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 Mt Sunapee Ski Area/Summit?
EPA lists Mt Sunapee Ski Area/Summit as owned by a state 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. 9 of the 244 active systems in Merrimack County (3.7%) are also owned by a state government.
Does Mt Sunapee Ski Area/Summit have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in January 2019. The violations listed here began between October 1996 and January 2019. By type: 2 contaminant level above the legal limit, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2019-01-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1997-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Mt Sunapee Ski Area/Summit: frequently asked questions
Who runs Mt Sunapee Ski Area/Summit?
Mt Sunapee Ski Area/Summit (PWSID NH2277040) is a transient non-community water system owned by a state government. It is regulated by the NH state drinking water program.
How many people does Mt Sunapee Ski Area/Summit serve?
Mt Sunapee Ski Area/Summit reports serving 950 people through 1 service connection in Merrimack County, New Hampshire.
Where does Mt Sunapee Ski Area/Summit 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 Mt Sunapee Ski Area/Summit have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in January 2019. 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 Mt Sunapee Ski Area/Summit'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 4 violations for this system; 2 are health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Mt Sunapee Ski Area/Summit's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mt Sunapee Ski Area/Summit 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 Merrimack County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Concord Water Dept | Merrimack | 44,215 | Community | Surface water |
| Franklin Water Works | Merrimack | 7,200 | Community | Groundwater |
| Pembroke Water Works | Merrimack | 5,200 | Community | Groundwater |
| Central Hooksett Water Pct | Merrimack | 4,650 | Community | Purchased surface water |
| Penacook Boscawen Water Pct | Merrimack | 3,800 | Community | Groundwater |
| New London Springfield Water | Merrimack | 3,250 | 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, “Mt Sunapee Ski Area/Summit, PWSID NH2277040, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/mt-sunapee-ski-area-summit-nh2277040 (data as of October 1, 2026).