Public water system · IN5249004
ActiveCitizens Water - Indianapolis
At a glance
Citizens Water - Indianapolis (PWSID IN5249004) is an active community water system in Marion County, Indiana. It reports serving 880,345 people through 352,138 service connections. Its primary water source is surface water, 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 November 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
880,345
Service connections
352,138
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Citizens Water - Indianapolis compare with other water systems in Marion County?
By EPA's size categories, Citizens Water - Indianapolis is a very large system (more than 100,000 people). Marion County has 57 active public water systems, and Citizens Water - Indianapolis is the largest of them by population served. Its population served is about 53 times the county average of 16,663 people per system, and accounts for 93% of the 949,799 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 Citizens Water - Indianapolis is about 131 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. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 30 Indiana systems (0.8%) list surface water as their primary source.
Who owns and regulates Citizens Water - Indianapolis?
EPA lists Citizens Water - Indianapolis 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. 6 of the 57 active systems in Marion County (11%) are also owned by a local government.
Does Citizens Water - Indianapolis have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2020. The violations listed here began between October 1979 and November 2020. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (6 of them). EPA lists 7 as resolved and 5 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 |
|---|---|---|---|---|
| 2020-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2007-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2006-12-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2006-03-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2006-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
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.
Citizens Water - Indianapolis: frequently asked questions
Who runs Citizens Water - Indianapolis?
Citizens Water - Indianapolis (PWSID IN5249004) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Citizens Water - Indianapolis serve?
Citizens Water - Indianapolis reports serving 880,345 people through 352,138 service connections in Marion County, Indiana.
Where does Citizens Water - Indianapolis 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 Citizens Water - Indianapolis 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 November 2020. 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 Citizens Water - Indianapolis' 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 November 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Citizens Water - Indianapolis' water quality report?
As a community water system, Citizens Water - Indianapolis 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 Marion County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Lawrence Utilities | Marion | 49,000 | Community | Groundwater |
| Speedway Water Works | Marion | 10,578 | Community | Surface water |
| Southeastway Comfort Station | Marion | 1,500 | Transient non-community | Groundwater |
| Mcdonalds Restaurant #12354 | Marion | 912 | Transient non-community | Groundwater |
| S & S Gas Station LLC | Marion | 759 | Transient non-community | Groundwater |
| Madhar Petroleum | Marion | 602 | 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, “Citizens Water - Indianapolis, PWSID IN5249004, Indiana”, https://aquacensus.com/water-systems/indiana/citizens-water-indianapolis-in5249004 (data as of October 1, 2026).