Public water system · SD4602234
ActiveHigh Sheridan Ranch
At a glance
High Sheridan Ranch (PWSID SD4602234) is an active community water system in Pennington County, South Dakota. It reports serving 38 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
38
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does High Sheridan Ranch compare with other water systems in Pennington County?
By EPA's size categories, High Sheridan Ranch is a very small system (500 people or fewer). Pennington County has 150 active public water systems. Its population served is well below the county average of 930 people per system, and accounts for less than 0.1% of the 139,467 people reported by systems filed under the county. 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 High Sheridan Ranch 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 High Sheridan Ranch?
EPA lists High Sheridan Ranch as privately owned. The SD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 134 of the 150 active systems in Pennington County (89%) are also privately owned.
Does High Sheridan Ranch have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for High Sheridan Ranch. For the latest compliance status, check EPA ECHO for current compliance history.
High Sheridan Ranch: frequently asked questions
Who runs High Sheridan Ranch?
High Sheridan Ranch (PWSID SD4602234) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does High Sheridan Ranch serve?
High Sheridan Ranch reports serving 38 people through 15 service connections in Pennington County, South Dakota.
Where does High Sheridan Ranch 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 High Sheridan Ranch have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is High Sheridan Ranch'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find High Sheridan Ranch's water quality report?
As a community water system, High Sheridan Ranch 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 Pennington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rapid City | Pennington | 72,009 | Community | Surface water |
| Box Elder | Pennington | 14,000 | Community | Groundwater |
| Rapid Valley Sanitary District | Pennington | 11,408 | Community | Surface water |
| Ellsworth Afb | Pennington | 9,100 | Community | Purchased surface water |
| Nps-Mount Rushmore National Memorial | Pennington | 4,100 | Non-transient non-community | Groundwater |
| Colonial Pine Hills Sanitary Distric | Pennington | 1,200 | 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, “High Sheridan Ranch, PWSID SD4602234, South Dakota”, https://aquacensus.com/water-systems/south-dakota/high-sheridan-ranch-sd4602234 (data as of October 1, 2026).