Grand River Mosquito Control District

10/12/2026

🦟❄️ True or False: Does a hard frost instantly wipe out the entire mosquito population?

FALSE! 🚫

Many mosquito species survive the cold by overwintering as eggs or dormant adults, waiting for warmer temperatures to return. 🌡️

So, one hard frost doesn’t necessarily mean mosquito season is over for good! 🦟

The Grand River Mosquito Control District’s fogging operations are based on surveillance data.  The District fogs from a vehicle during the evening hours and will have the location notification information on the website by 3:15 pm, Monday through Thursday.  Please check the fogging schedule bel...

09/23/2026

🛞 Did you know we offer a reimbursement program for tire disposal? ♻️
Old, discarded tires can collect standing water and become breeding grounds for mosquitoes. 🦟💧
We want to help you get those unwanted tires off your property and properly disposed of — all in an effort to Fight the Bite! 🦟🚫
Click the link to learn more👉

Monitor both larval and adult mosquito populations; to organize the population statistics, to evaluate organizational efforts, and to plan subsequent control strategies.

09/01/2026

As you prepare to celebrate the Labor Day weekend, keep these tips in mind to fight the bite. 🦟🦟

Educational Video: Life Cycles Presentation About Us Grand River Mosquito Control District The Grand River Mosquito Control District works to suppress mosquito populations within the boundaries of the district, and in an environmentally responsible manner. We consistently monitor both larval and adu...

08/12/2026

🚨We're here to Fight the Bite!🚨
The Grand River Mosquito Control District treats more than 10,000 mosquito-breeding 🦟🦟sites from Fruita to Palisade.

Educational Video: Life Cycles Presentation About Us Grand River Mosquito Control District The Grand River Mosquito Control District works to suppress mosquito populations within the boundaries of the district, and in an environmentally responsible manner. We consistently monitor both larval and adu...

07/22/2026

🌧️💦 With the recent rain—and more in the forecast for the Grand Valley—now is the perfect time to check your property for standing water! 🦟

Even small amounts of water in buckets, flower pots, birdbaths, tires, or gutters can become mosquito breeding grounds. Empty standing water regularly to help prevent mosquitoes from laying eggs. 🏡☀️. Every little bit helps!

Educational Video: Life Cycles Presentation About Us Grand River Mosquito Control District The Grand River Mosquito Control District works to suppress mosquito populations within the boundaries of the district, and in an environmentally responsible manner. We consistently monitor both larval and adu...

07/16/2026

🐷🐮We're fairing pretty well at the Mesa County Fair. 🐔🐑
Stop by and see us for some great tips to fight the bite 🦟 and pick up some fun SWAG.
✨ Glow-in-the-dark frisbees
💚 Glow wristbands
🥤 Cool koozies
🛍️ Fun bags

07/13/2026

🎡🐄 Who's ready for the Mesa County Fair?! 🎉
Swing by the Grand River Mosquito Control District booth July 16–18 for some FREE swag! 😎
✨ Glow-in-the-dark frisbees
💚 Glow wristbands
🥤 Cool koozies
🛍️ Fun bags
Plus, pick up easy tips to keep mosquitoes from ruining your summer! 🦟☀️ See you at the fair!

07/03/2026

It's America's Semiquincentennial! 🇺🇸🇺🇸🇺🇸
Follow the 3D's and stay safe from mosquitoes 🦟 🦟 as you celebrate our country's 250th birthday!

07/01/2026

Mosquito Season is Here! Are you armed to Fight the Bite? Make sure to follow the 3Ds to keep yourself and your family protected.
🧴 DEFEND: Use mosquito repellent when outside
🧥 DRESS: Wear a long-sleeved shirt and long pants
💧 DRAIN: Standing water at least twice per week
If you have an area that needs to be treated, please contact us at:
🌐 grmcd.org/Contact-Us
☎️ 970-257-0191.

06/21/2026

Summer in Western Colorado means BBQs 🍔, camping trips,⛺ and unfortunately, mosquito season. 🦟🦟 June 21–27, 2026 is recognized as National Mosquito Control Awareness Week. Make sure to follow the 3Ds to keep yourself and your family protected.
💧 Drain standing water around your home
👖 Dress in long sleeves and pants at dawn & dusk
🧴 Defend yourself with mosquito repellent
Let’s work together to keep our community safe and bite-free! 🙌🦟

Educational Video: Life Cycles Presentation About Us Grand River Mosquito Control District The Grand River Mosquito Control District works to suppress mosquito populations within the boundaries of the district, and in an environmentally responsible manner. We consistently monitor both larval and adu...