Public water system · IN5284011
ActiveSeelyville Water Works
At a glance
Seelyville Water Works (PWSID IN5284011) is an active community water system in Vigo County, Indiana. It reports serving 6,393 people through 2,557 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,393
Service connections
2,557
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Seelyville Water Works compare with other water systems in Vigo County?
By EPA's size categories, Seelyville Water Works is a medium system (3,301 to 10,000 people). Vigo County has 30 active public water systems, and Seelyville Water Works is the 2nd-largest of them by population served. Its population served is about twice the county average of 2,919 people per system, and accounts for 7.3% of the 87,565 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 Seelyville Water Works is roughly in line with 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates Seelyville Water Works?
EPA lists Seelyville Water Works 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. 3 of the 30 active systems in Vigo County (10%) are also owned by a local government.
Does Seelyville Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2025 and January 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Dalapon, Lindane (gamma-BHC), Pentachlorophenol and Toxaphene. 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | 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.
Seelyville Water Works: frequently asked questions
Who runs Seelyville Water Works?
Seelyville Water Works (PWSID IN5284011) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Seelyville Water Works serve?
Seelyville Water Works reports serving 6,393 people through 2,557 service connections in Vigo County, Indiana.
Where does Seelyville Water Works 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 Seelyville Water Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Seelyville Water Works' 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, none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Seelyville Water Works' water quality report?
As a community water system, Seelyville Water Works 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 Vigo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Indiana American Water - Terre Haute | Vigo | 67,765 | Community | Groundwater |
| West Terre Haute Water | Vigo | 4,075 | Community | Groundwater |
| Sullivan-Vigo Rural Water Corp. | Vigo | 2,765 | Community | Purchased groundwater |
| Fayette Township Water Assn. | Vigo | 2,000 | Community | Groundwater |
| Fci & Fpc - Terre Haute | Vigo | 1,390 | Community | Groundwater |
| Sisters of Providence/St. Mary of Woods | Vigo | 900 | 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, “Seelyville Water Works, PWSID IN5284011, Indiana”, https://aquacensus.com/water-systems/indiana/seelyville-water-works-in5284011 (data as of October 1, 2026).