Gopher Control in Casper, WY

Fresh dirt mounds popping up in your Casper yard? Here's how to tell what you have, and what works.

Casper, Wyoming cityscape
Casper at a glance
12 in.rain a year
52%average humidity
14°Ftypical winter low
88°Ftypical summer high
The short version

Around Casper, the digger is usually the northern pocket gopher. Trap the main tunnel near a fresh mound. Repellents rarely work.

  • Usually one or two gophers.
  • Fan-shaped mounds mean gophers.
  • Wire protects beds and trees.
  • Repellents rarely work.

Homeowners and gardeners in Casper with mounds or tunnels in the yard.

What to look for

They push up fan-shaped mounds as they dig. One gopher can ruin a garden bed in a few days. Gophers eat roots, bulbs and plants from below.

  • Fan-shaped dirt mounds.
  • A plugged hole off to one side of the mound.
  • Plants wilting or pulled underground.
  • Chewed irrigation lines.
  • Soft, sinking soil.
  • Fresh mounds after rain or watering.

Why it’s worth acting soon

  • Roots, bulbs and young trees get eaten.
  • Irrigation lines get chewed.
  • Mounds dull mower blades.
  • More gophers move into empty tunnels.
✅

Is it a gopher?

Treatment options and typical costs

Activity Mapping and Tunnel Probing

$75–$200

A provider in Casper will usually rake or flatten every mound first, then return to see which ones reappear. Fresh soil tells them exactly where the animal is still digging.

Time
45–90 minutes
Best for
Every job; separates fresh activity from old, abandoned mounds

Trapping in Active Tunnels

$150–$450 per visit series

Set correctly in a main tunnel, traps often catch within days. Set in a lateral or old tunnel, they sit empty, which is why Casper pros spend so much time probing first.

Time
2–5 visits over 1–2 weeks
Best for
Small yards, gardens, homes with pets, and anyone avoiding poison

Labeled Burrow Baiting

$150–$400 per treatment

toxic bait and acute baits differ in speed and scavenger risk. If you have outdoor pets in Casper, say so before the visit so the provider can pick the least risky product.

Time
30–60 minutes per visit, plus follow-up
Best for
Larger properties and heavy infestations where trapping alone is too slow

Burrow Fumigation

$200–$600 per treatment

Fumigation works best in moist soil that traps the gas. Dry, sandy, or cracked ground common on some Casper lots lets it leak out before it reaches the gopher.

Time
1–2 hours, with re-entry restrictions
Best for
Heavy activity on large lots, away from structures, where legal

Prices are typical published ranges. Ask what’s included before you compare quotes.

A young plant sitting in disturbed soil in a garden bed
Gophers eat roots from below. Plants that wilt and lift out easily are a classic sign.

Which gophers live around Casper.

They live alone, so a yard usually has one or two. Pocket gophers are stocky, with cheek pouches and long claws. Voles may also be at work; they leave surface runways.

When they dig.

Frozen ground slows surface work in winter. Digging peaks in spring and fall, when soil is moist. Summer heat and dry soil push activity deeper.

A fresh mound of loose dirt in a green lawn
Gopher mounds are fan-shaped, with a plugged hole off to one side.

Finding the main tunnel.

Probe a foot or two back to find the main tunnel. The plugged hole is on the open side of the fan. Find a fresh, fan-shaped mound. Around Casper, check gardens and lawn edges first. That's where traps belong.

A year of digging in Casper.

  • Spring: peak digging as soil warms and stays moist. - Winter: lows near 14°F in Casper. Surface work slows. - Fall: a second peak before winter. - Summer: highs near 88°F in Casper push activity deeper.

Gopher, mole or vole?

  • Gopher: fan-shaped mounds, plugged hole to one side. - Chipmunk: neat holes, no dirt pile. - Vole: surface runways and chewed plant stems. - Mole: round mounds and raised ridges.

Protecting gardens and trees.

  • Raised beds: line the bottom with hardware cloth. - Drip lines: check for chew marks each spring. - Bulbs: use small wire cages. - Trees: plant in wire root baskets.

What works, and what doesn’t.

  • Works: traps in the main tunnel. - Rarely: plants said to repel gophers. - Rarely: sonic stakes, gum, castor oil or flooding. - Sometimes: labeled baits placed deep in tunnels.

How gopher traps are set.

  • Find: probe near a fresh mound for the main tunnel. - Check: look again within a day. - Cover: block light with a board or sod. - Set: place a trap facing each way. - Open: dig down to expose both directions.

Lawn care that discourages diggers.

Keep weedy edges and tall grass mowed. Water deeply but less often. Healthy turf recovers from digging faster. Pull mulch back from tree trunks.

Fixing the yard afterward.

Rake mounds flat and fill sunken tunnels. Wait until the digging stops. Reseed or patch bare spots in spring or fall. Water to settle the soil.

Irrigation lines and sprinklers.

Check for wet spots or weak spray each spring. Gophers chew drip lines and sprinkler tubing. Fix leaks fast, since damp soil draws more digging. Bury lines a little deeper where you can.

Natural help.

Barn owl boxes can help on bigger properties. Owls, hawks, snakes and foxes all hunt gophers and voles. Traps avoid that risk. Bait can harm pets and wildlife if misused.

Myths about yard diggers.

  • Gum or laxatives: no evidence they work. - Many mounds, many animals: often it’s one. - Repellent plants: little proof of results. - Sonic stakes: animals get used to them. - Car exhaust or flooding: unsafe and unreliable.

Signs the problem is over.

  • No fresh mounds for two weeks. - New mounds later? Another one moved in. - Flattened mounds stay flat. - Plants stop wilting or disappearing.

Underground wire baskets.

Leave a few inches of wire above the soil. Plant new trees, roses and bulbs in baskets of galvanized wire. Baskets last several years, long enough for roots to get established.

Raised beds that stay safe.

  • Base: staple hardware cloth across the bottom. - Soil: fill after the wire is in place. - Edges: run the wire up the inside walls. - Wire: half-inch mesh, not chicken wire.

When a whole street has them.

Clearing your yard alone may only last a season. Diggers move in from vacant lots, fields and neighbors' yards. Talking with neighbors and treating at the same time works better.

Pets, kids and digging.

Choose traps over bait if a dog likes to dig. Keep kids and pets away from traps and bait. Fill old mounds so no one twists an ankle.

Gopher-proofing new landscaping.

Plant shrubs and trees in wire baskets. Lay wire mesh under new sod before it goes down. It costs more up front but saves replanting. Raised beds with mesh bottoms protect vegetables.

Questions to ask before you sign.

  • Is it a gopher, mole or vole? - Is it safe around pets? - What if another one moves in? - How often will you check? - Which method will you use?

How to size up the yard damage.

Around Casper, count the active mounds during your walk-through — that number, not a national average, is what should drive a treatment plan. Around Casper, because each gopher is solitary, a yard with several fresh mounds usually means several animals, each with its own network. Around Casper, tunnel systems typically run 6 to 12 inches below the surface, with deeper nesting and food-storage chambers. Around Casper, state wildlife agencies put a single pocket gopher at roughly a ton of soil moved per year, and mounds are the first thing most people notice.

Gopher mounds vs. other lawn damage in Casper.

Around Casper, reading the shape of the mound is the first step in choosing the right control method. Around Casper, WY, 12 inches of rain a year softens the soil and makes new mounds more visible after a wet spell. Around Casper, the mounds are the giveaway — moles leave raised ridges without a clear entrance hole, and voles leave shallow surface runways through the grass. Around Casper, gopher activity shows up as fan-shaped mounds of fresh soil with a plugged entrance off to one side.

What a gopher control job should cost in Casper.

Around Casper, gopher control is priced by how many active tunnels there are and how much ground the animal is using, not by how many animals you can count. Around Casper, ask for a written quote that spells out the number of visits, the method, and what the follow-up covers, rather than a single flat number. Around Casper, a small yard with one or two active tunnels is a small job; a large lot with tunneling across a wide area costs more because it takes more traps and more return visits.

Why gopher problems come back after removal.

Around Casper, gophers are solitary, but the space they leave is quickly filled by the next animal that moves in from neighboring yards or open ground. Around Casper, the long-term fix pairs removal with habitat changes, like limiting the grubs and earthworms or irrigated plantings gophers feed on and keeping nearby overgrown areas trimmed, so your yard stops being the easiest target on the block. Around Casper, that is why removal alone rarely holds: if the food and the tunnel access are still there, a new gopher will simply re-colonize the same tunnels.

What affects the price

  • Soil type, since dry or sandy ground limits fumigants.
  • State restrictions on which baits can be used.
  • Whether wire baskets or buried mesh are requested.
  • Lot size and total ground the provider must cover.
  • Need for soil fill or hardscape repair afterward.
  • Number of fresh mounds and active tunnel systems.
📊

What's digging in your yard?

When to call for help

A pro can find the main tunnels fast. Call if new mounds keep appearing after a week of trapping. for big lots next to fields.

What you can do yourself

Find the right tunnel and follow the trap instructions. Once you know what it is, trapping is DIY-friendly. Skip sonic stakes and home remedies.

Gophers in Casper

Winter lows near 14°F freeze the topsoil around Casper, but tunnels below keep going. In Casper's neighborhoods, lawns and vegetable gardens next to open lots are hot spots. Casper only gets about 12 inches of rain a year, so watered lawns and gardens draw most of the digging.

Gopher tips from the experts

Fresh mounds tell the story

Around Casper, Wyoming, fresh, dark soil means a gopher is active now. Look at the mound shape, the plugged hole and any wilting plants before deciding what you have.

Gopher, mole or ground squirrel?

Gopher mounds are crescent or horseshoe shaped, with a plugged hole off to one side. Mole mounds are rounder, often with raised ridges nearby. Ground squirrel holes stay open, with no mound.

UC IPM: pocket gophers

What they damage

Gophers chew roots, irrigation lines and sometimes buried cables. Fresh, moist soil means they’re active now. Keep watching after treatment, since a quiet yard doesn’t always mean they’re gone.

Utah State University Extension: pocket gophers

Soil ropes after the snow melts

In snowy parts of Wyoming, gophers tunnel through the snow and pack the tunnels with soil. When it melts, those soil ropes are left on the lawn. They show where gophers were busy over winter.

Based on guidance from university extension services.

How we check our sources
Local research

Gophers in Casper, WY: what the public record shows

Before you compare quotes, it helps to know which gophers actually live in Wyoming, when they are busiest around Casper, and what the state figures look like. Everything below links to the agency or university page it came from.

Wyoming pocket gopher (Thomomys clusius), found only in south-central Wyoming
Wyoming's only endemic mammal

Range runs roughly from southeast of Rock Springs in Sweetwater County to northwest of Rawlins in Carbon County.

Wyoming Game and Fish Department
State of Wyoming: Nongame Wildlife; WGFD NSS2 (Ab), Tier I; WYNDD G2G3, S1
Wyoming pocket gopher status

Petitioned for federal listing in 2007 and 2016; USFWS found listing not warranted both times.

Wyoming Game and Fish Department
Shrub steppe and mixed desert shrubland on flat, well-drained clay soils with much bare ground
Habitat

Presence of Gardner's saltbush may be the best predictor of the species.

Wyoming Game and Fish Department

Gopher species recorded in Wyoming

  • Northern pocket gopher (Thomomys talpoides) — Smallest and most widespread western species; all of eastern Washington and Oregon east of the Cascades.

When gophers are busiest around Casper

Breeding mid-March to mid-June; juveniles disperse early June to late July.

Control in the Rock Springs-Rawlins corridor should account for the endemic Wyoming pocket gopher, ranked S1 by the state heritage program.

For context, nationally

Sources: Wyoming Game and Fish Department; Internet Center for Wildlife Damage Management; UC IPM (University of California Agriculture and Natural Resources); Living with wildlife: Pocket gophers. Figures are quoted as the source prints them. How we check our sources

Simple ways to keep gophers away

  • Line raised beds with wire mesh.
  • Plant trees in wire root baskets.
  • Check for fresh mounds weekly.
  • Trap new gophers early.
  • Keep weedy field edges mowed.
  • Skip sonic stakes and repellents.
A printed quote, coffee mug and glasses on a kitchen table
Ask what the quote covers if another gopher moves in after the first is caught.

Did you know?

Gopher snakes are named for their favorite prey

One gopher can move a ton of soil in a year

Questions people ask

Do ultrasonic stakes or repellents work on gophers?

Not reliably. Studies show little lasting effect.

Do gophers carry diseases or bite?

They rarely bite unless handled. They're not a major disease risk to people.

What time of year are gophers most active?

Spring and fall, when the soil is moist. They stay active all year.

Will gophers leave on their own?

Rarely. If there's food, they stay and keep tunneling.

What should a gopher company tell me first?

Method, placement, check schedule and what's included.

Is a gopher control contract worth it?

Around Casper, ask for a written quote that spells out visits and the warranty. It's a published estimate, not a local quote. It can be, if gophers keep coming back.

When is digging worst in Casper?

Frozen winter ground slows things down.

Are there gophers in Casper?

Yes. Around Casper, it's usually the northern pocket gopher.

Nearby cities

Related guides

Sources (5)

The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Gopher Exterminator · Updated September 11, 2026 · How we write these guides

Ask about yard pest control or a quote.

Tell us what you’ve noticed.

  • Where you’ve seen gophers or damage
  • When you first noticed it
  • Anything you’ve already tried