Public water system · NH0753010
ActiveWilsons MHP
At a glance
Wilsons MHP (PWSID NH0753010) is an active community water system in Grafton County, New Hampshire. It reports serving 30 people through 23 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
23
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Wilsons MHP compare with other water systems in Grafton County?
By EPA's size categories, Wilsons MHP is a very small system (500 people or fewer). Grafton County has 270 active public water systems. Its population served is well below the county average of 394 people per system, and accounts for less than 0.1% of the 106,236 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active community water system reports serving 6,703 people, so Wilsons MHP is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New Hampshire has 706 active community water systems, 29% 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 Wilsons MHP?
EPA lists Wilsons MHP 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. 213 of the 270 active systems in Grafton County (79%) are also privately owned.
Does Wilsons MHP have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. The violations listed here began between January 1994 and July 2016. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
The 12 most recent 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.
Wilsons MHP: frequently asked questions
Who runs Wilsons MHP?
Wilsons MHP (PWSID NH0753010) is a community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Wilsons MHP serve?
Wilsons MHP reports serving 30 people through 23 service connections in Grafton County, New Hampshire.
Where does Wilsons MHP 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 Wilsons MHP have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. 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 Wilsons MHP'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the NH state drinking water program.
Where can I find Wilsons MHP's water quality report?
As a community water system, Wilsons MHP must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Grafton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lebanon Water Dept | Grafton | 13,600 | Community | Surface water |
| Hanover Water Dept | Grafton | 9,600 | Community | Surface water |
| Plymouth Vlg Water and Sewer | Grafton | 6,700 | Community | Groundwater |
| Littleton Water and Light | Grafton | 6,500 | Community | Surface water |
| Bristol Water Works | Grafton | 3,575 | Community | Groundwater |
| Lincoln Water Works | Grafton | 3,300 | Community | 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, “Wilsons MHP, PWSID NH0753010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/wilsons-mhp-nh0753010 (data as of October 1, 2026).