Stay safe! Call 811 before you dig
One easy phone call to 811 instantly begins the process of getting underground electric and gas utility lines on your property marked. When you call 811, the appropriate utility companies are notified. They send crews out to mark the underground lines within three days. This service is free of charge.
- Call before you dig
- Wait the required time
- Respect the marks
- Conduct a site survey
- Have an emergency plan
- Dig with care
If you hit, touch, scrape or damage an underground pipeline or electric cable, call Alliant Energy at 1-800-257-3645 or your local utility immediately. If gas is blowing, call 911.
The color indicates each utility
Underground utility lines will be marked with flags or paint to show approximate location.
Temporary Survey Markings
Electric lines, Conduit and Lighting Cables
Gas, Oil, Steam, Petroleum or Gaseous Materials
Communication, Alarm or Signal Lines
Reclaimed Water, Irrigation and Slurry Lines
Sewers and Drain Lines
Digging guidelines for farmers include a special 15-inch rule for determining whether 811 should be notified.
Call before excavations 15 inches or deeper, including:
- Chisel plowing
- Drain tile excavating
- Waterway projects
- Digging or driving a new fence post
- Any project penetrating soil 15 inches or more
Normal farm operations don't require a call, including:
- Plowing (penetrating less than 15 inches)
- Cultivating (penetrating less than 15 inches)
- Replacing a fence post in its existing location
- Normal field activities penetrating soil less than 15 inches
More online resources
Here are some useful Web sites to find more information about pipelines:
You can still contact your state's Local One Call Center:
- Iowa: Iowa One Call...1-800-292-8989 or www.iowaonecall.com
- Wisconsin: Diggers Hotline...1-800-242-8511 or www.diggershotline.com
- Illinois: Illinois One Call... 1-800-892-0123 or http://www.illinois1call.com/
Watch Alliant Energy's Call 811 television ad.
Watch the Call 811 public service announcement that urges homeowners and excavators to avoid a 'Grimm' situation.
Watch the story of a farmer who thought he was staying away from a petroleum pipeline while field tiling.