Public water system · 055294506
ActiveSouth Water Treatment Plant (Swtp)
At a glance
South Water Treatment Plant (Swtp) (PWSID 055294506) is an active community water system in Minnesota. It reports serving 24,959 people through 225 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
24,959
Service connections
225
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does South Water Treatment Plant (Swtp) compare with other water systems in Minnesota?
By EPA's size categories, South Water Treatment Plant (Swtp) is a large system (10,001 to 100,000 people). Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so South Water Treatment Plant (Swtp) is about 3.7 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates South Water Treatment Plant (Swtp)?
EPA lists South Water Treatment Plant (Swtp) as Native American-owned. The EPA Region 05 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does South Water Treatment Plant (Swtp) have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. The violations listed here began between January 2017 and January 2019. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, Chlordane, Ethylene dibromide (EDB) and Aldicarb sulfoxide. EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | 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.
South Water Treatment Plant (Swtp): frequently asked questions
Who runs South Water Treatment Plant (Swtp)?
South Water Treatment Plant (Swtp) (PWSID 055294506) is a community water system Native American-owned. It is regulated by the EPA Region 05.
How many people does South Water Treatment Plant (Swtp) serve?
South Water Treatment Plant (Swtp) reports serving 24,959 people through 225 service connections in Minnesota.
Where does South Water Treatment Plant (Swtp) 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 South Water Treatment Plant (Swtp) 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 January 2019. 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 South Water Treatment Plant (Swtp)'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 January 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 05.
Where can I find South Water Treatment Plant (Swtp)'s water quality report?
As a community water system, South Water Treatment Plant (Swtp) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Minnesota
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Minneapolis | Hennepin | 425,300 | Community | Surface water |
| Saint Paul Regional Water Services | Ramsey | 392,529 | Community | Surface water |
| Rochester | Olmsted | 123,624 | Community | Groundwater |
| Bloomington | Hennepin | 91,300 | Community | Purchased surface water |
| Brooklyn Park | Hennepin | 89,995 | Community | Groundwater |
| Duluth | St. Louis | 86,859 | Community | Surface water |
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, “South Water Treatment Plant (Swtp), PWSID 055294506, Minnesota”, https://aquacensus.com/water-systems/minnesota/south-water-treatment-plant-swtp-055294506 (data as of October 1, 2026).