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Mosquito Abatement District schedules second round of spraying

Update - Spraying postponed due to weather

Aug. 10, 2018 - Due to unfavorable weather conditions the Desplaines Valley Mosquito Abatement District did not spray on Thurs., Aug. 9 as scheduled. Abatement District officials say the spraying likely will occur Mon., Aug. 13, weather permitting. Questions regarding spraying, including options for those medically sensitive to the insecticide, should be directed to 708.447.1765.


Aug. 7, 2018 - As part of its efforts to eliminate mosquitoes that carry West Nile virus, the Desplaines Valley Mosquito Abatement District has scheduled the season’s second round of spraying in Oak Park.

Abatement district vehicles are scheduled to be spraying on Oak Park streets from about 9 p.m. to midnight, Thurs., Aug. 9, weather permitting.

A calm, rainless evening with temperatures no more than 85 degrees is preferred for spraying, according to abatement district officials. Should unfavorable weather conditions prevail, spraying will be delayed to a subsequent night.

West Nile virus continues to be found in samples of mosquitoes collected from traps throughout Illinois, including in Oak Park. Two human case of the virus have been confirmed in Illinois. Additional spraying could occur each week while the threat continues, official say.

Questions regarding spraying, including options for those medically sensitive to the insecticide, should be directed to 708.447.1765.

Public health officials say the best defense against the virus-carrying mosquitoes is to take precautions to prevent being bitten. The threat of West Nile Virus can continue until mid-October, they say.

Take precautions... Avoid being bitten by mosquitoes by wearing long sleeves and pants, limiting time spent outdoors between dusk and dawn when mosquitoes are most active and using insect repellant that contains DEET, picaridin, IR3535, oil of lemon eucalyptus or para-menthane-diol. Residents also are urged to eliminate potential mosquito breeding sites by cleaning roof gutters, storing containers upside down and emptying birdbaths every few days. For more information, call 708.358.5694, visit or email

Prevention efforts... The Des Plaines Valley Mosquito Abatement District treats all street catch basins to kill larvae every seven to 10 days during the mosquito-breeding season. The abatement district also will treat catch basins on private property by request and pick up old vehicle tires. Call 708.447.1765 or visit for more information.

Spraying notification... Residents who wish to be notified when the Des Plaines  Valley Mosquito Abatement District has scheduled spraying for adult mosquitoes can sign up at Registrants will be notified by an automated telephone system, email or text message as soon as possible following a decision to spray in Oak Park. Individuals without computer access may call 708.358.5694 to leave their phone number for telephone notification only.

Visit for information on spraying and other mosquito abatement initiatives.