Public water system · ME0090970
ActiveMexico Water District
At a glance
Mexico Water District (PWSID ME0090970) is an active community water system in Oxford County, Maine. It reports serving 2,425 people through 970 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,425
Service connections
970
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mexico Water District compare with other water systems in Oxford County?
By EPA's size categories, Mexico Water District is a small system (501 to 3,300 people). Oxford County has 133 active public water systems, and Mexico Water District is the 3rd-largest of them by population served. Its population served is about 7.9 times the county average of 306 people per system, and accounts for 6% of the 40,635 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 Mexico Water District is about 64% 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 Mexico Water District?
EPA lists Mexico Water District 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. 18 of the 133 active systems in Oxford County (14%) are also owned by a local government.
Does Mexico Water District have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1995. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Mexico Water District: frequently asked questions
Who runs Mexico Water District?
Mexico Water District (PWSID ME0090970) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Mexico Water District serve?
Mexico Water District reports serving 2,425 people through 970 service connections in Oxford County, Maine.
Where does Mexico Water District 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 Mexico Water District have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1995. 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 Mexico Water District'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 not health-based, and the most recent began in January 1995. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Mexico Water District's water quality report?
As a community water system, Mexico Water District 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 Oxford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rumford Water District | Oxford | 4,050 | Community | Groundwater |
| Paris Utility District | Oxford | 2,940 | Community | Groundwater |
| Fryeburg Water Company | Oxford | 2,085 | Community | Groundwater |
| Norway Water District | Oxford | 2,000 | Community | Groundwater |
| Bethel Water District | Oxford | 1,813 | Community | Groundwater |
| Dixfield Water & Sewer Dept | Oxford | 1,415 | 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, “Mexico Water District, PWSID ME0090970, Maine”, https://aquacensus.com/water-systems/maine/mexico-water-district-me0090970 (data as of October 1, 2026).