Identify whether the damage is from gophers or moles
Remove grubs and other food sources from the lawn
Keep grass trimmed and reduce excess mulch
Use underground wire mesh or hardware cloth barriers
Trap gophers with approved underground traps
Trap moles with approved tunnel traps
Place traps in active tunnels only
Locate active tunnels by flattening runs and checking for repairs
Use castor oil-based repellents as directed
Apply repellents after rain or irrigation when soil is moist
Flood tunnels only if appropriate for your yard and local conditions
Remove piles of soil and fill abandoned tunnels
Encourage natural predators where possible
Keep pets and children away from traps and treated areas
Follow all local laws and label instructions for pesticides
Contact a licensed pest control professional for severe infestations