Public water system · IN2290808
ActiveDuke Energy, Noblesville Generating Stn.
At a glance
Duke Energy, Noblesville Generating Stn. (PWSID IN2290808) is an active non-transient non-community water system in Hamilton County, Indiana. It reports serving 28 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Duke Energy, Noblesville Generating Stn. compare with other water systems in Hamilton County?
By EPA's size categories, Duke Energy, Noblesville Generating Stn. is a very small system (500 people or fewer). Hamilton County has 66 active public water systems. Its population served is well below the county average of 3,475 people per system, and accounts for less than 0.1% of the 229,348 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Duke Energy, Noblesville Generating Stn. is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Indiana has 603 active non-transient non-community water systems, 15% 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 Duke Energy, Noblesville Generating Stn.?
EPA lists Duke Energy, Noblesville Generating Stn. as privately owned. 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. 56 of the 66 active systems in Hamilton County (85%) are also privately owned.
Does Duke Energy, Noblesville Generating Stn. have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in September 2025. The violations listed here began between July 1993 and September 2025. By type: 4 monitoring and reporting, 2 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2025-09-05 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 1994-01-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
All 7 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.
Duke Energy, Noblesville Generating Stn.: frequently asked questions
Who runs Duke Energy, Noblesville Generating Stn.?
Duke Energy, Noblesville Generating Stn. (PWSID IN2290808) is a non-transient non-community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Duke Energy, Noblesville Generating Stn. serve?
Duke Energy, Noblesville Generating Stn. reports serving 28 people through 1 service connection in Hamilton County, Indiana.
Where does Duke Energy, Noblesville Generating Stn. 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 Duke Energy, Noblesville Generating Stn. have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in September 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 Duke Energy, Noblesville Generating Stn.'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. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find Duke Energy, Noblesville Generating Stn.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Duke Energy, Noblesville Generating Stn. is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Hamilton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carmel Water Department | Hamilton | 99,927 | Community | Groundwater under influence of surface water |
| Citizens Water of Westfield, LLC | Hamilton | 61,493 | Community | Groundwater |
| Indiana American Water - Noblesville | Hamilton | 45,575 | Community | Groundwater |
| Cicero Water Department | Hamilton | 5,607 | Community | Groundwater |
| Indiana American Water - Sheridan | Hamilton | 4,435 | Community | Groundwater |
| Ruoff Music Center | Hamilton | 2,000 | Transient non-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, “Duke Energy, Noblesville Generating Stn., PWSID IN2290808, Indiana”, https://aquacensus.com/water-systems/indiana/duke-energy-noblesville-generating-stn-in2290808 (data as of October 1, 2026).