Public water system · IN5202037
ActiveMaysville Region. Water & Sewer District
At a glance
Maysville Region. Water & Sewer District (PWSID IN5202037) is an active community water system in Allen County, Indiana. It reports serving 1,634 people through 495 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2024.
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
1,634
Service connections
495
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Maysville Region. Water & Sewer District compare with other water systems in Allen County?
By EPA's size categories, Maysville Region. Water & Sewer District is a small system (501 to 3,300 people). Allen County has 87 active public water systems, and Maysville Region. Water & Sewer District is the 6th-largest of them by population served. Its population served is about 56% below the county average of 3,719 people per system, and accounts for 0.5% of the 323,592 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Maysville Region. Water & Sewer District is well 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 82 Indiana systems (2.1%) list purchased surface water as their primary source.
Who owns and regulates Maysville Region. Water & Sewer District?
EPA lists Maysville Region. Water & Sewer District as owned by a local government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 87 active systems in Allen County (14%) are also owned by a local government.
Does Maysville Region. Water & Sewer District have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2024. The violations listed here began between July 2002 and August 2024. By type: 7 monitoring and reporting, 2 reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-08-01 | Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-08-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2017-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-02-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
The 12 most recent 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.
Maysville Region. Water & Sewer District: frequently asked questions
Who runs Maysville Region. Water & Sewer District?
Maysville Region. Water & Sewer District (PWSID IN5202037) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Maysville Region. Water & Sewer District serve?
Maysville Region. Water & Sewer District reports serving 1,634 people through 495 service connections in Allen County, Indiana.
Where does Maysville Region. Water & Sewer District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Maysville Region. Water & Sewer District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2024. 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 Maysville Region. Water & Sewer 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Maysville Region. Water & Sewer District's water quality report?
As a community water system, Maysville Region. Water & Sewer 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 Allen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fort Wayne - 3 Rivers Filtration Plant | Allen | 269,994 | Community | Surface water |
| New Haven Water Department | Allen | 15,700 | Community | Purchased surface water |
| Huntertown Water Works | Allen | 14,058 | Community | Groundwater |
| Pioneer Water L.L.C. | Allen | 2,076 | Community | Groundwater |
| Bf Goodrich Tire Manufacturing | Allen | 1,750 | Non-transient non-community | Groundwater |
| Woodburn Water Works | Allen | 1,609 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Maysville Region. Water & Sewer District, PWSID IN5202037, Indiana”, https://aquacensus.com/water-systems/indiana/maysville-region-water-sewer-district-in5202037 (data as of October 1, 2026).