Public water system · ME0094793
ActiveCauseway Commons
At a glance
Causeway Commons (PWSID ME0094793) is an active transient non-community water system in Washington County, Maine. It reports serving 365 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in February 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
365
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Causeway Commons compare with other water systems in Washington County?
By EPA's size categories, Causeway Commons is a very small system (500 people or fewer). Washington County has 109 active public water systems. Its population served is about 78% above the county average of 205 people per system, and accounts for 1.6% of the 22,334 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Causeway Commons is about 154% 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. Maine has 1,091 active transient non-community water systems, 59% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.
Who owns and regulates Causeway Commons?
EPA lists Causeway Commons as privately owned. The ME state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 71 of the 109 active systems in Washington County (65%) are also privately owned.
Does Causeway Commons have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in February 2025. The violations listed here began between October 2005 and February 2025. By type: 4 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2005-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
Causeway Commons: frequently asked questions
Who runs Causeway Commons?
Causeway Commons (PWSID ME0094793) is a transient non-community water system privately owned. It is regulated by the ME state drinking water program.
How many people does Causeway Commons serve?
Causeway Commons reports serving 365 people through 1 service connection in Washington County, Maine.
Where does Causeway Commons 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 Causeway Commons have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in February 2025. 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 Causeway Commons' 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 6 violations for this system; none is health-based, and the most recent began in February 2025. For current results, consult EPA ECHO, or the ME state drinking water program.
Where can I find Causeway Commons' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Causeway Commons 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Calais Water Dept | Washington | 2,775 | Community | Groundwater |
| Passamaquoddy Water District | Washington | 2,125 | Community | Surface water |
| Lubec Water District | Washington | 1,775 | Community | Groundwater |
| Baileyville Utilities District | Washington | 1,688 | Community | Groundwater |
| Machias Water Company | Washington | 1,390 | Community | Groundwater |
| Indian Township Tribal Water System | Washington | 535 | Community | Groundwater |
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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, “Causeway Commons, PWSID ME0094793, Maine”, https://aquacensus.com/water-systems/maine/causeway-commons-me0094793 (data as of October 1, 2026).