Public water system · SD4600582
ActiveRafter-J Bar Ranch
At a glance
Rafter-J Bar Ranch (PWSID SD4600582) is an active transient non-community water system in Pennington County, South Dakota. It reports serving 374 people through 179 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
374
Service connections
179
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Rafter-J Bar Ranch compare with other water systems in Pennington County?
By EPA's size categories, Rafter-J Bar Ranch is a very small system (500 people or fewer). Pennington County has 150 active public water systems. Its population served is about 60% below the county average of 930 people per system, and accounts for 0.3% 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 transient non-community water system reports serving 144 people, so Rafter-J Bar Ranch is about 160% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. South Dakota has 173 active transient non-community water systems, 25% 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 Rafter-J Bar Ranch?
EPA lists Rafter-J Bar 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 Rafter-J Bar 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 Rafter-J Bar Ranch. For the latest compliance status, check EPA ECHO for current compliance history.
Rafter-J Bar Ranch: frequently asked questions
Who runs Rafter-J Bar Ranch?
Rafter-J Bar Ranch (PWSID SD4600582) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Rafter-J Bar Ranch serve?
Rafter-J Bar Ranch reports serving 374 people through 179 service connections in Pennington County, South Dakota.
Where does Rafter-J Bar 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 Rafter-J Bar Ranch have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Rafter-J Bar 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 EPA ECHO, or the SD state drinking water program.
Where can I find Rafter-J Bar Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rafter-J Bar Ranch is a 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 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 |
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, “Rafter-J Bar Ranch, PWSID SD4600582, South Dakota”, https://aquacensus.com/water-systems/south-dakota/rafter-j-bar-ranch-sd4600582 (data as of October 1, 2026).