SIOUX FALLS, SD (KELO.com) — The City of Sioux Falls’ Water Division has issued a precautionary boil water advisory for portions of its distribution system near Arrowhead Parkway and Veterans Parkway (map below). On September 2, 2025, a utility contractor, hired by the City, was in the process of cleaning and testing a new water line before putting it into service. However, before satisfactory water quality test results were available, a valve was opened that temporarily connected the new line to the active distribution system. This has the potential to release unsatisfactory water into the system.
City crews have flushed the affected area and collected additional bacteriological samples throughout the system. Results from these samples will be available within 24 hours to confirm the water is acceptable for consumption. An alert was sent to cell phones within the affected area to alert residents to the boil water advisory. The City will inform residents when they no longer need to boil their water. “This is a precautionary advisory issued to protect public health until testing confirms that the water meets all state and federal safety standards,” said Chris Myers, the City’s Water Superintendent. “We appreciate everyone following the guidance provided as we work to confirm the drinking water meets our standards.”
Guidance for residents in the affected area:
- DO NOT DRINK THE WATER WITHOUT BOILING IT FIRST. Bring all water to a rolling boil for at least three (3) minutes and let it cool before using, or use bottled water. Boiled or bottled water should be used for drinking, making ice, brushing teeth, washing dishes, and food preparation until further notice.
- Inadequately treated water may contain disease-causing organisms. These organisms include bacteria, viruses, and parasites which can cause symptoms such as diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a higher health risk for infants, young children, some of the elderly, and people with compromised immune systems.
- The symptoms listed above are not caused only by organisms in drinking water. If you experience these symptoms and they persist, please seek medical advice. People at increased risk should consult their health care providers.
For additional information, visit siouxfalls.gov/water. For residents with water quality concerns, call the City of Sioux Falls Water Division at (605) 373-6950.
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