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Public water system · NH2356010

Active

3m Tilton

At a glance

3m Tilton (PWSID NH2356010) is an active non-transient non-community water system in Belknap County, New Hampshire. It reports serving 55 people through 1 service connection. 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 December 2024.

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

Population served

55

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDNH2356010
System typeNon-transient non-community water system
Activity statusActive
Population served55
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNH state drinking water program
City servedTilton
StateNew Hampshire
ZIP—
CountyBelknap County

How does 3m Tilton compare with other water systems in Belknap County?

By EPA's size categories, 3m Tilton is a very small system (500 people or fewer). Belknap County has 255 active public water systems. Its population served is well below the county average of 278 people per system, and accounts for less than 0.1% of the 70,916 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so 3m Tilton is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New Hampshire has 453 active non-transient non-community water systems, 18% 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 3m Tilton?

EPA lists 3m Tilton 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. 232 of the 255 active systems in Belknap County (91%) are also privately owned.

Does 3m Tilton have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between January 1993 and December 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-12-31Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved

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.

3m Tilton: frequently asked questions

Who runs 3m Tilton?

3m Tilton (PWSID NH2356010) is a non-transient non-community water system privately owned. It is regulated by the NH state drinking water program.

How many people does 3m Tilton serve?

3m Tilton reports serving 55 people through 1 service connection in Belknap County, New Hampshire.

Where does 3m Tilton 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 3m Tilton 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 December 2024. 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 3m Tilton'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 December 2024. For current results, consult EPA ECHO, or the NH state drinking water program.

Where can I find 3m Tilton's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 3m Tilton is a non-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 Belknap County

Water systemCountyPopulation servedTypeSource
Laconia Water WorksBelknap17,125CommunitySurface water
Meredith Water DeptBelknap3,750CommunitySurface water
Locke LakeBelknap2,308CommunitySurface water
Alton Water WorksBelknap1,800CommunityGroundwater
Belmont Water DeptBelknap1,612CommunityGroundwater
Gunstock Acres Village DistBelknap1,440CommunityGroundwater

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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, “3m Tilton, PWSID NH2356010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/3m-tilton-nh2356010 (data as of October 1, 2026).