Public water system · IN5232004
ActiveDanville Water Works
At a glance
Danville Water Works (PWSID IN5232004) is an active community water system in Hendricks County, Indiana. It reports serving 10,500 people through 4,300 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,500
Service connections
4,300
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Danville Water Works compare with other water systems in Hendricks County?
By EPA's size categories, Danville Water Works is a large system (10,001 to 100,000 people). Hendricks County has 53 active public water systems, and Danville Water Works is the 3rd-largest of them by population served. Its population served is about 6 times the county average of 1,763 people per system, and accounts for 11% of the 93,426 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 Danville Water Works is about 57% above 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 Danville Water Works?
EPA lists Danville 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. 16 of the 53 active systems in Hendricks County (30%) are also owned by a local government.
Does Danville Water Works have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between June 1980 and July 2025. By type: 1 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Consumer Confidence Rule, Total coliform bacteria (TCR) and Gross alpha (excluding radon and uranium). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 3 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.
Danville Water Works: frequently asked questions
Who runs Danville Water Works?
Danville Water Works (PWSID IN5232004) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Danville Water Works serve?
Danville Water Works reports serving 10,500 people through 4,300 service connections in Hendricks County, Indiana.
Where does Danville Water Works 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 Danville Water Works have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 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 Danville 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. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 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 Danville Water Works' water quality report?
As a community water system, Danville 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 Hendricks County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Plainfield Water Works | Hendricks | 34,477 | Community | Groundwater |
| Brownsburg Water Works | Hendricks | 31,250 | Community | Purchased surface water |
| Plainfield Re-Entry Educational Facility | Hendricks | 4,500 | Community | Groundwater |
| Pittsboro Water Company | Hendricks | 4,113 | Community | Purchased surface water |
| Cascade Senior High School | Hendricks | 975 | Non-transient non-community | Groundwater |
| St. Malachy Catholic Parish - Church | Hendricks | 630 | 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, “Danville Water Works, PWSID IN5232004, Indiana”, https://aquacensus.com/water-systems/indiana/danville-water-works-in5232004 (data as of October 1, 2026).