Public water system · IN5291010
ActiveMonon Water Utility
At a glance
Monon Water Utility (PWSID IN5291010) is an active community water system in White County, Indiana. It reports serving 1,700 people through 701 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, one is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,700
Service connections
701
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Monon Water Utility compare with other water systems in White County?
By EPA's size categories, Monon Water Utility is a small system (501 to 3,300 people). White County has 78 active public water systems, and Monon Water Utility is the 4th-largest of them by population served. Its population served is about 6.2 times the county average of 276 people per system, and accounts for 7.9% of the 21,514 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 Monon Water Utility 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. 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 Monon Water Utility?
EPA lists Monon Water Utility 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. 8 of the 78 active systems in White County (10%) are also owned by a local government.
Does Monon Water Utility have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between July 2025 and January 2026. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 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 |
|---|---|---|---|---|
| 2026-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2026-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | 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.
Monon Water Utility: frequently asked questions
Who runs Monon Water Utility?
Monon Water Utility (PWSID IN5291010) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Monon Water Utility serve?
Monon Water Utility reports serving 1,700 people through 701 service connections in White County, Indiana.
Where does Monon Water Utility 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 Monon Water Utility have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. 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 Monon Water Utility'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, one is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Monon Water Utility's water quality report?
As a community water system, Monon Water Utility 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 White County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Monticello Water Works | White | 5,300 | Community | Groundwater |
| Indiana Beach, Inc.. | White | 2,500 | Transient non-community | Groundwater |
| Brookston Water Department | White | 1,815 | Community | Groundwater |
| I.B. Campground | White | 1,103 | Transient non-community | Groundwater |
| Wolcott Water Works | White | 1,001 | Community | Groundwater |
| Chalmers Water Works | White | 550 | 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, “Monon Water Utility, PWSID IN5291010, Indiana”, https://aquacensus.com/water-systems/indiana/monon-water-utility-in5291010 (data as of October 1, 2026).