Public water system · SD4601047

Active

Saint Onge Livestock Cafe

At a glance

Saint Onge Livestock Cafe (PWSID SD4601047) is an active transient non-community water system in Lawrence County, South Dakota. It reports serving 42 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDSD4601047

System typeTransient non-community water system

Activity statusActive

Population served42

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencySD state drinking water program

City servedSt. Onge

StateSouth Dakota

ZIP57779

CountyLawrence County

How does Saint Onge Livestock Cafe compare with other water systems in Lawrence County?

By EPA's size categories, Saint Onge Livestock Cafe is a very small system (500 people or fewer). Lawrence County has 73 active public water systems. Its population served is well below the county average of 373 people per system, and accounts for 0.2% of the 27,194 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 Saint Onge Livestock Cafe 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 Saint Onge Livestock Cafe?

EPA lists Saint Onge Livestock Cafe 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. 60 of the 73 active systems in Lawrence County (82%) are also privately owned.

Does Saint Onge Livestock Cafe have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. The violations listed here began between March 2022 and December 2025. By type: 8 monitoring and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (8 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2025-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2025-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-12-10	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-09-12	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-06-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-09-03	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-03-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved

The 12 most recent 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.

Saint Onge Livestock Cafe: frequently asked questions

Who runs Saint Onge Livestock Cafe?

Saint Onge Livestock Cafe (PWSID SD4601047) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Saint Onge Livestock Cafe serve?

Saint Onge Livestock Cafe reports serving 42 people through 1 service connection in Lawrence County, South Dakota.

Where does Saint Onge Livestock Cafe 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 Saint Onge Livestock Cafe have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. 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 Saint Onge Livestock Cafe'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. For current results, consult EPA ECHO, or the SD state drinking water program.

Where can I find Saint Onge Livestock Cafe's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Saint Onge Livestock Cafe 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 Lawrence County

Water system	County	Population served	Type	Source
Spearfish	Lawrence	13,803	Community	Groundwater
Lead	Lawrence	2,982	Community	Purchased surface water
Deadwood	Lawrence	1,156	Community	Purchased surface water
Whitewood	Lawrence	879	Community	Groundwater
Guadalajara Mexican Restaurant	Lawrence	630	Transient non-community	Groundwater
Spearfish Canyon Resort LLC	Lawrence	492	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, “Saint Onge Livestock Cafe, PWSID SD4601047, South Dakota”, https://aquacensus.com/water-systems/south-dakota/saint-onge-livestock-cafe-sd4601047 (data as of October 1, 2026).