City of St. Louis

Water Division
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About Your Water System...

July 22, 2026
  • Education & How-To, Water U
How do I get a permit to connect to the City water system?
July 8, 2026
  • Education & How-To, Water U
Are lawn sprinkler systems subject to any special requirements?
July 2, 2026
  • Education & How-To, Water U
What does water line insurance mean on my water bill?
June 25, 2026
  • Education & How-To, Water U
What Makes StL Water a “Division” and Not a “Department”?
June 18, 2026
  • Education & How-To, Water Quality & Safety, Water U
How do I know if my service line is made of lead?
June 10, 2026
  • Education & How-To, Water U
Who owns the water service line to my building?