Louisville Gas and Electric 

Report Gas Leaks at 502-589-5511
Report Power Outages and Downed Power Lines at 502-589-3500
Before You Dig, call Before You Dig (BUD) at 1-800-752-6007

Louisville Water Company 

Provides water in Louisville, Jefferson County, and parts of Oldham and Bullitt Counties. Does lab tests for water quality 300 times daily.
Complaints about Water Quality: 502-569-3630

Louisville/Jefferson County Metropolitan Sewer District 

Builds, maintains, and operates wastewater and stormwater facilities. Takes complaints about sewer odor and backed up sewers.
Complaints http://www.msdlouky.org/contact/index.html

For a List of Rural and Other Utility Websites