Public water system · NH0758140

Active

Exit 16 Mobil

At a glance

Exit 16 Mobil (PWSID NH0758140) is an active transient non-community water system in Grafton County, New Hampshire. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in December 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDNH0758140

System typeTransient non-community water system

Activity statusActive

Population served50

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyNH state drinking water program

City servedEnfield

StateNew Hampshire

ZIP—

CountyGrafton County

How does Exit 16 Mobil compare with other water systems in Grafton County?

By EPA's size categories, Exit 16 Mobil 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 transient non-community water system reports serving 144 people, so Exit 16 Mobil is about 65% 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 Exit 16 Mobil?

EPA lists Exit 16 Mobil 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 Exit 16 Mobil have drinking water violations?

EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in December 2023. The violations listed here began between October 2005 and December 2023. By type: 3 reporting, 3 public notice, recordkeeping or other, 2 monitoring, 1 required treatment not met, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 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
2023-12-11	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2023-12-05	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-12-05	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-10-14	ReportingReporting, Assessment Forms (RTCR) · code 4A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-10-14	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2017-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2017-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2009-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2006-01-17	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2005-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 11 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.

Exit 16 Mobil: frequently asked questions

Who runs Exit 16 Mobil?

Exit 16 Mobil (PWSID NH0758140) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does Exit 16 Mobil serve?

Exit 16 Mobil reports serving 50 people through 1 service connection in Grafton County, New Hampshire.

Where does Exit 16 Mobil 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 Exit 16 Mobil have any drinking water violations?

EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in December 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 Exit 16 Mobil'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 11 violations for this system; 2 are health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find Exit 16 Mobil's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Exit 16 Mobil 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 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, “Exit 16 Mobil, PWSID NH0758140, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/exit-16-mobil-nh0758140 (data as of October 1, 2026).