Public water system · ME0090830
ActiveLewiston Water & Sewer Division
At a glance
Lewiston Water & Sewer Division (PWSID ME0090830) is an active community water system in Androscoggin County, Maine. It reports serving 23,720 people through 9,308 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; all are health-based, and the most recent began in August 2007.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
23,720
Service connections
9,308
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lewiston Water & Sewer Division compare with other water systems in Androscoggin County?
By EPA's size categories, Lewiston Water & Sewer Division is a large system (10,001 to 100,000 people). Androscoggin County has 94 active public water systems, and Lewiston Water & Sewer Division is the largest of them by population served. Its population served is about 32 times the county average of 744 people per system, and accounts for 34% of the 69,935 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 Lewiston Water & Sewer Division is about 3.5 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Maine systems (3.3%) list surface water as their primary source.
Who owns and regulates Lewiston Water & Sewer Division?
EPA lists Lewiston Water & Sewer Division 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. 17 of the 94 active systems in Androscoggin County (18%) are also owned by a local government.
Does Lewiston Water & Sewer Division have drinking water violations?
EPA's records list 5 violations for this system; all are health-based, and the most recent began in August 2007. The violations listed here began between August 1998 and August 2007. By type: 3 required treatment not met and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2007-08-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2007-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-07-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2006-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 1998-08-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 5 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.
Lewiston Water & Sewer Division: frequently asked questions
Who runs Lewiston Water & Sewer Division?
Lewiston Water & Sewer Division (PWSID ME0090830) is a community water system owned by a local government. It is regulated by the ME state drinking water program.
How many people does Lewiston Water & Sewer Division serve?
Lewiston Water & Sewer Division reports serving 23,720 people through 9,308 service connections in Androscoggin County, Maine.
Where does Lewiston Water & Sewer Division get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lewiston Water & Sewer Division have any drinking water violations?
EPA's records list 5 violations for this system; all are health-based, and the most recent began in August 2007. 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 Lewiston Water & Sewer Division'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 5 violations for this system; all are health-based, and the most recent began in August 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.
Where can I find Lewiston Water & Sewer Division's water quality report?
As a community water system, Lewiston Water & Sewer Division 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 Androscoggin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Auburn Water District | Androscoggin | 17,245 | Community | Surface water |
| Lisbon Water Department | Androscoggin | 6,643 | Community | Groundwater |
| Livermore Falls Water District | Androscoggin | 2,995 | Community | Surface water |
| Mechanic Falls Water Dept | Androscoggin | 2,010 | Community | Groundwater |
| Sabattus Sanitary District | Androscoggin | 1,550 | Community | Groundwater |
| Mdoc State Park-Range Pond | Androscoggin | 800 | Transient non-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, “Lewiston Water & Sewer Division, PWSID ME0090830, Maine”, https://aquacensus.com/water-systems/maine/lewiston-water-sewer-division-me0090830 (data as of October 1, 2026).