Public water system · MA1283016
ActiveMah Kee Nac Water Company
At a glance
Mah Kee Nac Water Company (PWSID MA1283016) is an active transient non-community water system in Berkshire County, Massachusetts. It reports serving 200 people through 74 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
74
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mah Kee Nac Water Company compare with other water systems in Berkshire County?
By EPA's size categories, Mah Kee Nac Water Company 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 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 Mah Kee Nac Water Company 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 Mah Kee Nac Water Company?
EPA lists Mah Kee Nac Water Company 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. 140 of the 183 active systems in Berkshire County (77%) are also privately owned.
Does Mah Kee Nac Water Company have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2015. The violations listed here began between May 2010 and October 2015. By type: 2 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 3 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2015-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2015-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2010-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Mah Kee Nac Water Company: frequently asked questions
Who runs Mah Kee Nac Water Company?
Mah Kee Nac Water Company (PWSID MA1283016) is a transient non-community water system privately owned. It is regulated by the MA state drinking water program.
How many people does Mah Kee Nac Water Company serve?
Mah Kee Nac Water Company reports serving 200 people through 74 service connections in Berkshire County, Massachusetts.
Where does Mah Kee Nac Water Company 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 Mah Kee Nac Water Company have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2015. 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 Mah Kee Nac Water Company'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 4 violations for this system; 2 are health-based, and the most recent began in October 2015. For current results, consult EPA ECHO, or the MA state drinking water program.
Where can I find Mah Kee Nac Water Company's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mah Kee Nac Water Company 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, “Mah Kee Nac Water Company, PWSID MA1283016, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/mah-kee-nac-water-company-ma1283016 (data as of October 1, 2026).