Public water system · NH0547020
ActiveLoon Lake Campground
At a glance
Loon Lake Campground (PWSID NH0547020) is an active transient non-community water system in Sullivan County, New Hampshire. It reports serving 300 people through 119 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
119
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Loon Lake Campground compare with other water systems in Sullivan County?
By EPA's size categories, Loon Lake Campground is a very small system (500 people or fewer). Sullivan County has 65 active public water systems. Its population served is about 41% below the county average of 510 people per system, and accounts for 0.9% of the 33,165 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 Loon Lake Campground is about twice 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 Loon Lake Campground?
EPA lists Loon Lake Campground 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. 44 of the 65 active systems in Sullivan County (68%) are also privately owned.
Does Loon Lake Campground have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2023. The violations listed here began between May 2023 and July 2023. By type: 2 public notice, recordkeeping or other, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2023-07-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-07-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-06-12 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
Loon Lake Campground: frequently asked questions
Who runs Loon Lake Campground?
Loon Lake Campground (PWSID NH0547020) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Loon Lake Campground serve?
Loon Lake Campground reports serving 300 people through 119 service connections in Sullivan County, New Hampshire.
Where does Loon Lake Campground 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 Loon Lake Campground have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2023. 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 Loon Lake Campground'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; none is health-based, and the most recent began in July 2023. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Loon Lake Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Loon Lake Campground 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 Sullivan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Claremont Water Dept | Sullivan | 9,000 | Community | Surface water |
| Newport Water Works | Sullivan | 5,000 | Community | Surface water |
| Village Dist of Eastman | Sullivan | 3,400 | Community | Groundwater |
| Charlestown Water Works | Sullivan | 2,850 | Community | Groundwater |
| Sunapee Water Works | Sullivan | 1,680 | Community | Surface water |
| Springfield Rest Area | Sullivan | 999 | Transient non-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, “Loon Lake Campground, PWSID NH0547020, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/loon-lake-campground-nh0547020 (data as of October 1, 2026).