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Public water system · SD4602341

Active

Rustic Ridge Guest Cabins

At a glance

Rustic Ridge Guest Cabins (PWSID SD4602341) is an active transient non-community water system in Pennington County, South Dakota. It reports serving 25 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

25

Service connections

7

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDSD4602341
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections7
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedKeystone
StateSouth Dakota
ZIP57751
CountyPennington County

How does Rustic Ridge Guest Cabins compare with other water systems in Pennington County?

By EPA's size categories, Rustic Ridge Guest Cabins 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 transient non-community water system reports serving 144 people, so Rustic Ridge Guest Cabins 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 Rustic Ridge Guest Cabins?

EPA lists Rustic Ridge Guest Cabins 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 Rustic Ridge Guest Cabins 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 Rustic Ridge Guest Cabins. For the latest compliance status, check EPA ECHO for current compliance history.

Rustic Ridge Guest Cabins: frequently asked questions

Who runs Rustic Ridge Guest Cabins?

Rustic Ridge Guest Cabins (PWSID SD4602341) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Rustic Ridge Guest Cabins serve?

Rustic Ridge Guest Cabins reports serving 25 people through 7 service connections in Pennington County, South Dakota.

Where does Rustic Ridge Guest Cabins 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 Rustic Ridge Guest Cabins have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Rustic Ridge Guest Cabins' 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 Rustic Ridge Guest Cabins' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Rustic Ridge Guest Cabins 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 systemCountyPopulation servedTypeSource
Rapid CityPennington72,009CommunitySurface water
Box ElderPennington14,000CommunityGroundwater
Rapid Valley Sanitary DistrictPennington11,408CommunitySurface water
Ellsworth AfbPennington9,100CommunityPurchased surface water
Nps-Mount Rushmore National MemorialPennington4,100Non-transient non-communityGroundwater
Colonial Pine Hills Sanitary DistricPennington1,200CommunityGroundwater

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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, “Rustic Ridge Guest Cabins, PWSID SD4602341, South Dakota”, https://aquacensus.com/water-systems/south-dakota/rustic-ridge-guest-cabins-sd4602341 (data as of October 1, 2026).