Boil Water Advisory Lifted for Parts of North/South City and Midtown as of August 18, 2026

Update 7:15 AM 08/18/26

The Precautionary Boil Water Advisory that was issued by the City of St. Louis Water Division on 08/17/26 for portions of the City has been lifted effective 07:15 AM 08/18/26.

The Water Division conducted several tests on water samples collected in the affected areas and has verified the water is not contaminated and is safe to consume.

Original Post

The City Water Division has issued a precautionary boil water advisory for portions of its service area due to low water pressure caused by storm-related power outages at the Chain of Rocks Water Treatment Plant.

There are three affected areas (one in North City, one in South City, and one in Midtown) under the precautionary boil water advisory. The neighborhoods are as follows:

Area 1

• Hamilton Heights
• Kingsway West and Wells-Goodfellow
• Walnut Park West
• Walnut Park East
• Penrose

Area 2

• Hi-Pointe, Clayton-Tamm, Cheltenham and Kings Oak
• Franz Park, The Hill and Southwest Garden
• Ellendale, Clifton Heights and North Hampton
• Tower Grove South, South Grand and Gravois Park
• Tower Grove East, Compton Heights, Shaw, Benton Park West

Area 3

• Jeff-Vander-Lou
• Grand Center
• Midtown
• St. Louis Place

See Map for more specific details of the affected area.

The Water Division has not detected any contamination to the water supply and has issued the boil water advisory out of an abundance of caution. The boil water advisory is in effect until further notice. 

The Water Division will analyze water samples before determining when to lift the boil water advisory. Test results will be in 24 hours. Details can be found at https://www.stlwater.com.

Related Resources

• Boil Water Advisories and Orders Frequently Asked Questions