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There are some basic facts about these pests that will help you sort this out. Moles create superficial tunnels in your lawn that you can easily see and depress with your foot. They sometimes produce small mounds of fresh soil but not usually. Moles dental structure is such that they cannot eat plants or roots. They are not rodents but insectivores and eat only insects and worms. Moles are territorial, and a large lawn with significant damage may have only one to three moles.
So if you have tunnels you can see easily, you have moles. Although moles do not eat the roots of the grass, their tunnels can create an air pocket between the soil and the roots that allows the roots of your grass to dry out and slowly decline. This is why it is important to treat mole infestation as soon as possible to stop the dry roots from dying completely.

Moles are a challenge to control. Because of this, many repellent-type products are available, most of which are thought to be ineffective. One exception is castor oil, which may have some short-term repellent activity, but studies about effectiveness have been inconclusive.

Moles are more common in well-tended lawns. Well-watered and fertilized lawns have more earthworms and, therefore, will better support a mole population. Moles’ diet consists mainly of earthworms and not white grubs as once thought. Do not use insecticides labeled for grubs to attempt to control moles.

The most effective way to eliminate moles is to use poison gel worms. These are similar in texture to the plastic worms used for fishing but contain poison.
If killing moles is not something you want to have done we have several barrier treatments available to taint their food source which sends them away from your lawn in search for better tasting food supply. Although these treatments are temporary, they may be your ideal treatment if killing isn’t your cup of tea.