Public water system · NH1227080
ActiveMonadnock St Pk/Gilson Pd Cpg
At a glance
Monadnock St Pk/Gilson Pd Cpg (PWSID NH1227080) is an active transient non-community water system in Cheshire County, New Hampshire. It reports serving 100 people through 16 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
16
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Monadnock St Pk/Gilson Pd Cpg compare with other water systems in Cheshire County?
By EPA's size categories, Monadnock St Pk/Gilson Pd Cpg is a very small system (500 people or fewer). Cheshire County has 169 active public water systems. Its population served is well below the county average of 409 people per system, and accounts for 0.1% of the 69,037 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 Monadnock St Pk/Gilson Pd Cpg is about 31% below 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 Monadnock St Pk/Gilson Pd Cpg?
EPA lists Monadnock St Pk/Gilson Pd Cpg 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. 1 of the 169 active systems in Cheshire County (0.6%) are also owned by a state government.
Does Monadnock St Pk/Gilson Pd Cpg have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2013. The violations listed here began between July 2012 and December 2013. By type: 3 public notice, recordkeeping or other, 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (3 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 |
|---|---|---|---|---|
| 2013-12-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-12-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-11-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-11-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | 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.
Monadnock St Pk/Gilson Pd Cpg: frequently asked questions
Who runs Monadnock St Pk/Gilson Pd Cpg?
Monadnock St Pk/Gilson Pd Cpg (PWSID NH1227080) 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 Monadnock St Pk/Gilson Pd Cpg serve?
Monadnock St Pk/Gilson Pd Cpg reports serving 100 people through 16 service connections in Cheshire County, New Hampshire.
Where does Monadnock St Pk/Gilson Pd Cpg 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 Monadnock St Pk/Gilson Pd Cpg have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2013. 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 Monadnock St Pk/Gilson Pd Cpg'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; 1 is health-based, and the most recent began in December 2013. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Monadnock St Pk/Gilson Pd Cpg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Monadnock St Pk/Gilson Pd Cpg 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 Cheshire County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Keene Water Dept | Cheshire | 30,000 | Community | Surface water |
| Jaffrey Water Works | Cheshire | 3,800 | Community | Groundwater |
| Winchester Water Dept | Cheshire | 2,800 | Community | Groundwater |
| North Hinsdale Water Dept | Cheshire | 1,800 | Community | Groundwater |
| N Swanzey Water and Fire Prct | Cheshire | 1,700 | Community | Purchased surface water |
| Franklin Pierce University | Cheshire | 1,638 | Non-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, “Monadnock St Pk/Gilson Pd Cpg, PWSID NH1227080, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/monadnock-st-pk-gilson-pd-cpg-nh1227080 (data as of October 1, 2026).