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Public water system · MA2286034

Active

Collings Foundation Ahm

At a glance

Collings Foundation Ahm (PWSID MA2286034) is an active transient non-community water system in Middlesex County, Massachusetts. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in December 2018.

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

Population served

200

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMA2286034
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMA state drinking water program
City servedStow
StateMassachusetts
ZIP01775
CountyMiddlesex County

How does Collings Foundation Ahm compare with other water systems in Middlesex County?

By EPA's size categories, Collings Foundation Ahm is a very small system (500 people or fewer). Middlesex County has 204 active public water systems. Its population served is well below the county average of 7,986 people per system, and accounts for less than 0.1% of the 1,629,099 people reported by systems filed under the county. Across Massachusetts, the 1,636 active systems average 6,275 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Collings Foundation Ahm is about 39% above 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. Massachusetts has 859 active transient non-community water systems, 53% of the state's 1,636 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,354 Massachusetts systems (83%) list groundwater as their primary source.

Who owns and regulates Collings Foundation Ahm?

EPA lists Collings Foundation Ahm as privately owned. The MA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 127 of the 204 active systems in Middlesex County (62%) are also privately owned.

Does Collings Foundation Ahm have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in December 2018. By type: 1 required treatment not met. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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
2018-12-15Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2ARevised Total Coliform Rulecode 8000YesResolved

The one violation in EPA's records.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.

Collings Foundation Ahm: frequently asked questions

Who runs Collings Foundation Ahm?

Collings Foundation Ahm (PWSID MA2286034) is a transient non-community water system privately owned. It is regulated by the MA state drinking water program.

How many people does Collings Foundation Ahm serve?

Collings Foundation Ahm reports serving 200 people through 1 service connection in Middlesex County, Massachusetts.

Where does Collings Foundation Ahm 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 Collings Foundation Ahm have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in December 2018. 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 Collings Foundation Ahm'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 one violation for this system; it is health-based, and the most recent began in December 2018. For current results, consult EPA ECHO, or the MA state drinking water program.

Where can I find Collings Foundation Ahm's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Collings Foundation Ahm 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 Middlesex County

Water systemCountyPopulation servedTypeSource
Lowell Regional Water UtilityMiddlesex120,418CommunitySurface water
Cambridge Water DepartmentMiddlesex118,214CommunitySurface water
Newton Water Dept. (MWRA)Middlesex88,931CommunityPurchased surface water
Somerville Water Dept. (MWRA)Middlesex81,045CommunityPurchased surface water
Framingham Water Dept. (MWRA)Middlesex72,362CommunityPurchased surface water
Malden Water Division (MWRA)Middlesex66,263CommunityPurchased 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, “Collings Foundation Ahm, PWSID MA2286034, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/collings-foundation-ahm-ma2286034 (data as of October 1, 2026).