Public water system · MA1004005
ActiveGreylock Glen Water System
At a glance
Greylock Glen Water System (PWSID MA1004005) is an active transient non-community water system in Berkshire County, Massachusetts. It reports serving 100 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
GWP
Purchased groundwater
System type
TNCWS
Transient non-community water system
System record
How does Greylock Glen Water System compare with other water systems in Berkshire County?
By EPA's size categories, Greylock Glen Water System is a very small system (500 people or fewer). Berkshire County has 183 active public water systems. Its population served is well below the county average of 730 people per system, and accounts for less than 0.1% of the 133,497 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 Greylock Glen Water System is about 31% 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. Massachusetts has 859 active transient non-community water systems, 53% of the state's 1,636 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 57 Massachusetts systems (3.5%) list purchased groundwater as their primary source.
Who owns and regulates Greylock Glen Water System?
EPA lists Greylock Glen Water System as owned by a local government. 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. 33 of the 183 active systems in Berkshire County (18%) are also owned by a local government.
Does Greylock Glen Water System have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Greylock Glen Water System. For the latest compliance status, check EPA ECHO for current compliance history.
Greylock Glen Water System: frequently asked questions
Who runs Greylock Glen Water System?
Greylock Glen Water System (PWSID MA1004005) is a transient non-community water system owned by a local government. It is regulated by the MA state drinking water program.
How many people does Greylock Glen Water System serve?
Greylock Glen Water System reports serving 100 people through 1 service connection in Berkshire County, Massachusetts.
Where does Greylock Glen Water System get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Greylock Glen Water System have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Greylock Glen Water System'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MA state drinking water program.
Where can I find Greylock Glen Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Greylock Glen Water System 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 Berkshire County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pittsfield Dpu Water Dept | Berkshire | 43,927 | Community | Surface water |
| North Adams Water Dept | Berkshire | 13,000 | Community | Surface water |
| Lenox Dpw Water Division | Berkshire | 9,800 | Community | Surface water |
| Adams Fire District | Berkshire | 7,945 | Community | Groundwater |
| Williamstown Water Dept | Berkshire | 7,326 | Community | Groundwater |
| Dalton Fire District | Berkshire | 6,330 | Community | Purchased 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, “Greylock Glen Water System, PWSID MA1004005, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/greylock-glen-water-system-ma1004005 (data as of October 1, 2026).