Mosquito Control in El Paso
For most of the year, mosquitoes aren't much of an El Paso problem. It's hard to breed in a puddle that evaporates by lunch. Then the monsoon shows up. Afternoon storms fill flowerpot saucers, clogged gutters, old tires and low spots in the yard, and about a week later you can't sit on the patio at dusk.
The valley is a different story. Homes in the Upper Valley, Lower Valley, Socorro and San Elizario see mosquitoes earlier and longer, thanks to flood irrigation and the canals running behind the houses. The City of El Paso tracks West Nile virus every season and asks people to dump standing water, which is good advice no matter where you live.
Saucers, canales and the cooler overflow
Some mosquitoes need only a bottle cap of water to lay eggs. Walk the yard the morning after a storm and look in these spots. If you see little wigglers swimming around, that's larvae, and you've found the source. Flat-roof homes are sneaky about this. A canale packed with leaves and roof grit can hold water for days after a storm, and the cooler overflow line often drips into the same flower bed all summer. Five minutes with a ladder in June saves you a lot of slapping in August.
- Plant saucers, buckets and kids' toys
- Clogged gutters and canales on flat-roof homes
- Swamp cooler drip and overflow water
- Low spots in flood-irrigated yards
- Pet bowls and birdbaths that sit for days
- Tarps, boat covers and wheelbarrows holding rain
Ascarate, the Rio Bosque and life next to a canal
On the mesa, in the Northeast or out in Horizon City, mosquitoes mostly hang around for a couple of weeks after a big storm, then fade once things dry out. Valley homes don't get that break. Irrigation days refill the ditches and low spots all summer, so mosquitoes keep breeding long after the last cloud. If you live near a canal, plan on treatment through the whole warm season.
The Upper Valley's flood-irrigated lots and pecan shade hold mosquitoes earlier than the rest of town. In the Lower Valley near Ascarate Park and the Rio Bosque, canals and wetlands add to the evening bites. Low fields around Socorro hold water after storms, and homes next to them feel it at dusk. Damp soil that breeds mosquitoes also draws termites, so valley homeowners often ask about a termite inspection at the same time.
What a yard treatment covers and how often
The tech walks the yard looking for standing water and the shady spots where adult mosquitoes rest during the day: under shrubs, along fences and walls, beneath patio covers and around drip-watered beds. Water that can't be drained, like a decorative pond or a low spot after irrigation, may get a product made for that. Then they treat the resting spots and talk about how often to come back. It's usually a series spaced a few weeks apart through the monsoon, not one visit. Yard size, shade, how close you are to a canal and the number of visits set the price, which the company quotes.
Treatment only goes so far if the water keeps coming back. Dump containers every week, change pet bowls daily, keep the kids' pool empty when nobody's in it, and fix the hose bib that's been leaving a puddle since June. Use a repellent with DEET outdoors at dusk and dawn, like the city recommends. Ask how long kids and pets should stay off treated areas. Mosquitoes are only one part of the season, and the monsoon guide covers the rest, from drain roaches to the crickets a general pest plan can handle.
Questions We Get
When is mosquito season in El Paso?
It picks up with summer heat and peaks during and after the monsoon, roughly July through September. Valley homes near irrigation see them sooner.
Where do I report standing water in my neighborhood?
The City of El Paso Department of Public Health handles mosquito complaints. Their 2025 notice listed (915) 212-6000 for reports.
Serving West El Paso, Upper Valley, Northeast El Paso, East El Paso, Lower Valley, Horizon City, Socorro, San Elizario, Canutillo, Sunland Park, NM.