Public water system · ME0090700
ActiveHoulton Water Company
At a glance
Houlton Water Company (PWSID ME0090700) is an active community water system in Aroostook County, Maine. It reports serving 4,735 people through 1,894 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,735
Service connections
1,894
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Houlton Water Company compare with other water systems in Aroostook County?
By EPA's size categories, Houlton Water Company is a medium system (3,301 to 10,000 people). Aroostook County has 123 active public water systems, and Houlton Water Company is the 2nd-largest of them by population served. Its population served is about 14 times the county average of 329 people per system, and accounts for 12% of the 40,518 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active community water system reports serving 6,703 people, so Houlton Water Company is about 29% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maine has 386 active community water systems, 21% 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 Houlton Water Company?
EPA lists Houlton Water Company as owned by a local government. 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. 21 of the 123 active systems in Aroostook County (17%) are also owned by a local government.
Does Houlton Water Company have drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in July 2023. The violations listed here began between January 1995 and July 2023. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2017-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2004-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 10 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.
Houlton Water Company: frequently asked questions
Who runs Houlton Water Company?
Houlton Water Company (PWSID ME0090700) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Houlton Water Company serve?
Houlton Water Company reports serving 4,735 people through 1,894 service connections in Aroostook County, Maine.
Where does Houlton 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 Houlton Water Company have any drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in July 2023. 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 Houlton 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 10 violations for this system; 1 is health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Houlton Water Company's water quality report?
As a community water system, Houlton Water Company must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Aroostook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Presque Isle Utilities District | Aroostook | 6,128 | Community | Groundwater under influence of surface water |
| Caribou Utilities District | Aroostook | 3,943 | Community | Groundwater |
| Madawaska Water District | Aroostook | 2,738 | Community | Groundwater |
| Van Buren Water District | Aroostook | 2,190 | Community | Groundwater |
| Fort Fairfield Utilities District | Aroostook | 2,025 | Community | Surface water |
| Fort Kent W & W Department | Aroostook | 1,578 | 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, “Houlton Water Company, PWSID ME0090700, Maine”, https://aquacensus.com/water-systems/maine/houlton-water-company-me0090700 (data as of October 1, 2026).