Water or Sewer concerns?
Sanitary sewer or storm sewer Operations, (515) 239-5550. After hours, weekends or holidays, call (515) 239-5150. Who do I call for assistance with natural gas service? The 24-hour customer service phone number for Alliant Energy is 1-800-822-4348. If you think you may have a gas leak in your home, leave the residence and make the call from a safe place.