Public water system · NH0448220
ActiveChesterfield Petro
At a glance
Chesterfield Petro (PWSID NH0448220) is an active transient non-community water system in Cheshire County, New Hampshire. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in February 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Chesterfield Petro compare with other water systems in Cheshire County?
By EPA's size categories, Chesterfield Petro is a very small system (500 people or fewer). Cheshire County has 169 active public water systems. Its population served is about 22% above the county average of 409 people per system, and accounts for 0.7% 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 Chesterfield Petro is about 3.5 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 Chesterfield Petro?
EPA lists Chesterfield Petro 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. 129 of the 169 active systems in Cheshire County (76%) are also privately owned.
Does Chesterfield Petro have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in February 2014. The violations listed here began between January 2013 and February 2014. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Public Notice and Nitrate. 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 |
|---|---|---|---|---|
| 2014-02-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Chesterfield Petro: frequently asked questions
Who runs Chesterfield Petro?
Chesterfield Petro (PWSID NH0448220) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Chesterfield Petro serve?
Chesterfield Petro reports serving 500 people through 1 service connection in Cheshire County, New Hampshire.
Where does Chesterfield Petro 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 Chesterfield Petro have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in February 2014. 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 Chesterfield Petro'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; none is health-based, and the most recent began in February 2014. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Chesterfield Petro's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chesterfield Petro 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, “Chesterfield Petro, PWSID NH0448220, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/chesterfield-petro-nh0448220 (data as of October 1, 2026).