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Public water system · SD4601014

Active

Outlaw Ranch

At a glance

Outlaw Ranch (PWSID SD4601014) is an active transient non-community water system in Custer County, South Dakota. It reports serving 35 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 1999.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

35

Service connections

8

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDSD4601014
System typeTransient non-community water system
Activity statusActive
Population served35
Service connections8
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedCuster
StateSouth Dakota
ZIP57730
CountyCuster County

How does Outlaw Ranch compare with other water systems in Custer County?

By EPA's size categories, Outlaw Ranch 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 0.3% 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 Outlaw Ranch 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 Outlaw Ranch?

EPA lists Outlaw 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. 27 of the 49 active systems in Custer County (55%) are also privately owned.

Does Outlaw Ranch have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 1999. The violations listed here began between February 1999 and April 1999. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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.

BeganViolationContaminant or ruleHealth-basedStatus
1999-04-13Public notice, recordkeeping or otherNotification, Public · code 06Total coliform bacteria (TCR)code 3100NoArchived
1999-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 2 violations in EPA's records, newest first.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.

Outlaw Ranch: frequently asked questions

Who runs Outlaw Ranch?

Outlaw Ranch (PWSID SD4601014) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Outlaw Ranch serve?

Outlaw Ranch reports serving 35 people through 8 service connections in Custer County, South Dakota.

Where does Outlaw 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 Outlaw Ranch have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 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 Outlaw 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 records list 2 violations for this system; none is health-based, and the most recent began in April 1999. For current results, consult EPA ECHO, or the SD state drinking water program.

Where can I find Outlaw Ranch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Outlaw 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 Custer County

Water systemCountyPopulation servedTypeSource
Laughing Water Restaurant at Crazy HCuster2,055Non-transient non-communityGroundwater
CusterCuster1,919CommunityGroundwater
Nps-Wind Cave National ParkCuster1,404Non-transient non-communityGroundwater
Southern Black Hills WaterCuster + 1 more947CommunityGroundwater
Csp-Sylvan LakeCuster799Transient non-communityGroundwater
Csp-Game LodgeCuster541Transient non-communityGroundwater

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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, “Outlaw Ranch, PWSID SD4601014, South Dakota”, https://aquacensus.com/water-systems/south-dakota/outlaw-ranch-sd4601014 (data as of October 1, 2026).