Public water system · 055294503
ActiveLower Sioux
Community water system in Minnesota, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,000
Service connections
195
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-06-26 | 75 | 7500 | No | Resolved |
| 2024-07-02 | 72 | 7000 | No | Resolved |
| 2024-05-01 | 4B | 8000 | No | Resolved |
| 2024-05-01 | 27 | 0999 | No | Resolved |
| 2023-10-01 | 4B | 8000 | No | Resolved |
| 2023-08-01 | 4B | 8000 | No | Resolved |
| 2020-01-01 | 27 | 2950 | No | Resolved |
| 2020-01-01 | 27 | 2456 | No | Resolved |
| 2019-01-01 | 03 | 1040 | No | Resolved |
| 2017-01-01 | 03 | 2039 | No | Resolved |
| 2017-01-01 | 03 | 2037 | No | Resolved |
| 2017-01-01 | 03 | 2041 | No | Resolved |
Lower Sioux: frequently asked questions
Is Lower Sioux's water safe to drink?
Lower Sioux is an active community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 05. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Lower Sioux?
Lower Sioux (PWSID 055294503) is a native american-owned community water system, regulated by the EPA Region 05.
How many people does Lower Sioux serve?
Lower Sioux reports serving 4,000 people through 195 service connections in Minnesota.
Where does Lower Sioux get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Minnesota
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New York City System | Richmond | 8,271,000 | Community | Surface water |
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 7,751,132 | Community | Surface water |
| City of Houston | Harris | 2,970,543 | Community | Surface water |
| Chicago | Cook | 2,746,388 | Community | Surface water |
| MWRA | Suffolk | 2,660,000 | Community | Surface water |
| Mdwasa - Main System | Miami-Dade | 2,377,460 | Community | Groundwater |