St. Tammany Parish Mosquito Abatement district is funded by a millage applied to your property tax bill. That millage is adjusted each year by the Board of Commissioners based on the anticipated operating expenses for that mosquito season. This page is dedicated to explaining how tax dollars are being used by Mosquito Abatement, and answering frequently asked questions by residents. If you don’t find the information you are looking for, let us know by emailing info@stpmad.org.

Millage History

 

Treasurer’s Reports

2025
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Audit Reports

Where do my tax dollars go?

Integrated Mosquito Management

Every year, St. Tammany Parish Mosquito Abatement District (STPMAD) updates and follows a mosquito management plan in order to respond to shifting populations of nuisance and pathogen-carrying mosquito species. Mosquito traps are set across the Parish twice a week to better understand where mosquito problems may be developing. Certain species of mosquitoes collected in these traps are sent to Louisiana State University and tested for the presence of dangerous pathogens, including the West Nile and Zika viruses. Surveillance data directly influences where mosquito abatement intervention is necessary, as well as where it is not.

Check out our Guide to Integrated Mosquito Management to learn more about how this plan serves St. Tammany.

There are five core elements to to this Integrated Mosquito Management Plan:

Image of employee with another individual collecting mosquito larvae out of a septic tank

Surveillance & Trapping

Surveillance drives the ship of our mosquito control operations. Data collected in the field guides every treatment decision at STPMAD. We craft locally tailored solutions for each mosquito problem we face.

Image of mosquito larvae

Larval Control

Controlling mosquitoes in their larval stage is our primary focus because these treatments prevent mosquitoes from turning into adults were they can bite you and spread disease.

Image of an adult Aedes aegypti, aka the yellow fever mosquito

Adult Control

Our nighttime treatments are our last line of defense against mosquitoes. These treatments are based directly on the data collected – arbovirus detection, trap counts, landing rates, and service requests.

Outreach & Education

Increasing public awareness of the threat that mosquitoes pose to our community and educating folks on the science behind mosquito management operations are important functions of an IMM.

Image of lab performing larvae resistance test being preformed in laboratory.

Evaluation

Our team regularly monitors the efficacy of our treatments, monitors our mosquito population for resistance, and performs non-target evaluations to ensure our treatments do not impact other species.