Public water system · 084690022
ActiveWhite Horse Creek Water System
At a glance
White Horse Creek Water System (PWSID 084690022) is an active community water system in South Dakota. It reports serving 1,690 people through 250 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in May 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,690
Service connections
250
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does White Horse Creek Water System compare with other water systems in South Dakota?
By EPA's size categories, White Horse Creek Water System is a small system (501 to 3,300 people). Across South Dakota, the 699 active systems average 1,387 people each. Nationally, the average active community water system reports serving 6,703 people, so White Horse Creek Water System 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. South Dakota has 510 active community water systems, 73% of the state's 699 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 431 South Dakota systems (62%) list groundwater as their primary source.
Who owns and regulates White Horse Creek Water System?
EPA lists White Horse Creek Water System as Native American-owned. The EPA Region 08 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does White Horse Creek Water System have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 1999. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as archived. 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 |
|---|---|---|---|---|
| 1999-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The one violation in EPA's records.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.
White Horse Creek Water System: frequently asked questions
Who runs White Horse Creek Water System?
White Horse Creek Water System (PWSID 084690022) is a community water system Native American-owned. It is regulated by the EPA Region 08.
How many people does White Horse Creek Water System serve?
White Horse Creek Water System reports serving 1,690 people through 250 service connections in South Dakota.
Where does White Horse Creek Water System 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 White Horse Creek Water System have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 1999. 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 White Horse Creek Water System'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 one violation for this system; it is not health-based, and the most recent began in May 1999. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 08.
Where can I find White Horse Creek Water System's water quality report?
As a community water system, White Horse Creek Water System 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 South Dakota
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sioux Falls | Minnehaha | 216,462 | Community | Surface water |
| Rapid City | Pennington | 72,009 | Community | Surface water |
| Aberdeen | Brown | 27,989 | Community | Surface water |
| Brookings Municipal Utilities | Brookings | 23,377 | Community | Groundwater |
| Watertown Municipal Utilities | Codington | 23,230 | Community | Groundwater |
| Web Water Development Association | Walworth + 9 more | 20,750 | Community | Surface water |
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, “White Horse Creek Water System, PWSID 084690022, South Dakota”, https://aquacensus.com/water-systems/south-dakota/white-horse-creek-water-system-084690022 (data as of October 1, 2026).