Bat Removal Evans, CO

Evans sits on the South Platte River just south of Greeley, and the river corridor that flooded the town in 2013 is also prime bat foraging ground. Weld County has recorded rabid bats in nine of the last ten years. Here is who to call in Evans, what the county's numbers show, and when a roost can be sealed.

Service areaEvans, Weld County, Colorado

Phone consultationCall (720) 248-8581 for a quote.

WarrantyTwo-year written bat-free warranty on every exclusion job.

Quick responseWe’ll get out to you as quickly as we can.

Who to call about a bat in Evans

Evans is its own city with its own police department, but bat questions mostly go to Weld County:

A person or pet may have touched the bat, or it was in a room with someone asleep: Weld County Department of Public Health and Environment (WCDPHE), (970) 400-2290, weekdays 8 a.m. to 5 p.m. After hours, the county says to call Weld County Dispatch at (970) 350-9600 and choose option 1. The county also has an online animal bite and exposure form.
Injured, sick or nuisance animals in town: Evans Police Department, (970) 356-1212, option 4. The department's office line is (970) 339-2441.
Sick or injured wildlife with no human or pet contact: Weld County says to report it to Colorado Parks and Wildlife. The nearest Northeast Region office is in Fort Collins, 970-472-4300.
Pets: NOCO Humane, which took over the former Humane Society of Weld County in October 2023, runs its Weld Campus in Evans at 1620 42nd St.

Weld County asks people not to report normal, healthy animals that have had no contact with people or pets. A bat colony in an attic is not a public-health call unless someone has been exposed. It is a private exclusion job.

What Weld County's rabies numbers show

WCDPHE publishes a table of rabid animals in the county by year. Bats tested positive in every year from 2016 through 2025 except 2017: 3 in 2016, 8 in 2018, 8 in 2019, 6 in 2020, 2 in 2021, 1 in 2022, 2 in 2023, 6 in 2024 and 5 in 2025. That is 41 rabid bats over ten years. Skunks were the bigger problem in 2017 and 2018 (12 and 13), but they have dropped off since, with one in 2025.

The first rabid animal anywhere in Colorado in 2025 was a Weld County bat. It was found acting oddly on the ground just east of Highland Lake in Mead on May 5, and tested positive the next day. In that release WCDPHE said several dozen Weld residents have needed rabies post-exposure treatment over the past several years after animal contacts, and that there have been no human rabies deaths in the county.

The county's instructions if a bat may have touched someone: keep it contained in one room if you can, and only if it is safe, wearing leather gloves, cover it with a coffee can or similar container with a tight lid. Then call WCDPHE before disposing of it. Our guide to finding a bat in your house walks through that step by step.

The river, the 2013 flood and Evans bats

The Colorado Resiliency Office describes Evans as lying along the banks of the South Platte, which is fed by the Big Thompson River and Boulder Creek, among others. In September 2013 the river passed Evans' 10-foot flood stage within 12 hours and crested at nearly 19 feet the next day. The city estimated $17 million in damage to city property alone, including its wastewater plant, which left sewer service off for eight days. Riverside Park, wiped out in the flood, was rebuilt and reopened in October 2018.

That same corridor of river, ponds and cottonwoods is where insects hatch in large numbers on summer nights. Bats forage over water and fly back before dawn to day roosts, and neighborhoods on both sides of U.S. 85 are a short flight away. CPW lists Weld County among the counties where white-nose syndrome has been confirmed (Boulder, Douglas, El Paso, Grand, Jefferson, Larimer, Otero, Routt, Teller and Weld). That makes careful, live-release exclusion more important, not less.

Evans homes and how bats get in

The Census Bureau estimates Evans had 22,394 residents in 2024. Its 7,491 housing units have a median build year of 2003: 19% were built before 1980 and 18% in 2010 or later, so most of the city dates from the 1980s through the 2000s (ACS 2024 5-year). About 62% of units are single-family detached houses, 10% are mobile homes, 8% are in buildings with ten or more units, and 32% of homes are rented.

On houses from that era the usual openings are gaps where siding meets the soffit, unscreened gable vents, loose ridge-vent end caps and the joint where a garage roof meets the house. Manufactured homes add the roof-to-wall seam and loose trim at the eaves. A bat needs a gap only about the width of a thumb, and the Colorado Bat Working Group warns that sealing the main exit while bats are inside pushes them toward the next opening, sometimes into the house.

When bat exclusion can happen in Evans

Colorado Parks and Wildlife asks property owners to avoid sealing bats out of buildings during pupping season, June through August. The Colorado Bat Working Group gives a slightly longer window (June to mid-August) and asks a simple question first: can the work wait until the maternity colony disperses in autumn? At the Greeley UNC station, a few miles north of Evans, the average November low is about 26°F, well after the colony has left.

In Evans, NOAA normals for the Greeley Unc station put the average low at 50°F or warmer in Jun–Aug, the stretch when insects, and therefore bats, are most active. That lines up with the state window. We use those months for inspection and night exit counts. One-way doors go up after the pups can fly, and stay up for the 5–10 nights the Working Group recommends before the last gaps are sealed.

Evans at a glance

Housing units: 7,491 (median year built 2003)
Built before 1980: 19%; built 2010 or later: 18%
Single-family detached: 62%; buildings with 10+ units: 8%
Renter-occupied homes: 32%
Average January low: 18°F; average July high: 92°F
Months with an average low of 50°F or warmer: Jun–Aug

Housing figures: U.S. Census Bureau, ACS 2024 5-year estimates (tables B25024, B25034, B25035, B25003) via Census Reporter. Climate: NOAA 1991–2020 normals, Greeley Unc station.

Common questions

Who do I call about a bat in my Evans home?

If anyone may have touched it or it was in a room with someone asleep, call the Weld County Department of Public Health and Environment at (970) 400-2290. After hours, call Weld County Dispatch at (970) 350-9600, option 1. For other animal problems in town, Evans Police animal control is (970) 356-1212, option 4.

How many rabid bats has Weld County had?

Weld County's table shows 41 rabid bats from 2016 through 2025, with at least one in every year except 2017. There were 6 in 2024 and 5 in 2025. Most bats are not rabid, but a bat that is grounded, out in daylight or indoors should not be handled.

Will Evans police remove bats from my attic?

No. Evans Police handle injured, nuisance and vicious animal calls, and Weld County refers sick or injured wildlife to Colorado Parks and Wildlife. A colony living in an attic or wall is private exclusion work.

Why are there bats near the South Platte in Evans?

Bats feed on insects over rivers, ponds and wetlands at night, and the South Platte corridor along Evans produces a lot of them. Houses nearby offer warm daytime roosts, especially for mothers raising pups in summer.

When can bats be sealed out of a house in Evans?

Not during pupping season, June through August, per Colorado Parks and Wildlife. Once the young can fly, one-way devices go up and stay for 5 to 10 nights before the last gaps are sealed. Late summer and early fall are the usual window.

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