Public water system · SD4602293
ActiveRoost Resort - East Well
At a glance
Roost Resort - East Well (PWSID SD4602293) is an active transient non-community water system in Custer County, South Dakota. It reports serving 30 people through 7 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
30
Service connections
7
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Roost Resort - East Well compare with other water systems in Custer County?
By EPA's size categories, Roost Resort - East Well is a very small system (500 people or fewer). Custer County has 49 active public water systems. Its population served is well below the county average of 274 people per system, and accounts for 0.2% of the 13,414 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 Roost Resort - East Well is well below 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 Roost Resort - East Well?
EPA lists Roost Resort - East Well 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. 27 of the 49 active systems in Custer County (55%) are also privately owned.
Does Roost Resort - East Well 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 Roost Resort - East Well. For the latest compliance status, check EPA ECHO for current compliance history.
Roost Resort - East Well: frequently asked questions
Who runs Roost Resort - East Well?
Roost Resort - East Well (PWSID SD4602293) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Roost Resort - East Well serve?
Roost Resort - East Well reports serving 30 people through 7 service connections in Custer County, South Dakota.
Where does Roost Resort - East Well 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 Roost Resort - East Well have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Roost Resort - East Well'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 Roost Resort - East Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Roost Resort - East Well 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 Custer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Laughing Water Restaurant at Crazy H | Custer | 2,055 | Non-transient non-community | Groundwater |
| Custer | Custer | 1,919 | Community | Groundwater |
| Nps-Wind Cave National Park | Custer | 1,404 | Non-transient non-community | Groundwater |
| Southern Black Hills Water | Custer + 1 more | 947 | Community | Groundwater |
| Csp-Sylvan Lake | Custer | 799 | Transient non-community | Groundwater |
| Csp-Game Lodge | Custer | 541 | 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, “Roost Resort - East Well, PWSID SD4602293, South Dakota”, https://aquacensus.com/water-systems/south-dakota/roost-resort-east-well-sd4602293 (data as of October 1, 2026).