Environmental Health Alerts

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Environmental Health Alerts

Delaware County Health Department Announces First Human Case of West Nile Virus in 2023 - 10/3/2023

WNV Positive Mosquito Pool - Tinicum Twp - 9/14/2023

WNV Positive Mosquito Pool - Upper ChiChester Twp - 9/14/2023

WNV Positive Mosquito Pool - Upper ChiChester Twp - 9/14/2023

WNV Positive Mosquito Pool - Upper ChiChester Twp - 9/14/2023

WNV Positive Mosquito Pool - Upper Darby Twp - 9/14/2023

WNV Positive Mosquito Pool - Upper Darby Twp - 9/14/2023

WNV Positive Mosquito Pool - Holy Cross Cemetary - 9/14/2023

WNV Positive Mosquito Pool - Aston Twp - 9/14/2023

WNV Positive Mosquito Pool - Aston Twp - 9/14/2023

WNV Positive Mosquito Pool - Aston Twp - 9/14/2023

WNV Positive Mosquito Pool - Aston Twp - 9/14/2023

WNV Positive Mosquito Pool - Aston Twp - 9/14/2023

WNV Positive Mosquito Pool - Haverford Twp - 9/14/2023

WNV Positive Mosquito Pool - Haverford Twp - 9/14/2023

WNV Positive Mosquito Pool - Haverford Twp - 9/14/2023

WNV Positive Mosquito Pool - Haverford Twp - 9/14/2023

WNV Positive Mosquito Pool - Haverford Twp - 9/14/2023

WNV Positive Mosquito Pool - Springfield Twp - 9/7/2023

WNV Positive Mosquito Pool - Ridley Park Boro - 9/7/2023

WNV Positive Mosquito Pool - Ridley Park Boro - 9/7/2023

WNV Positive Mosquito Pool - NewTown Twp - 9/7/2023

WNV Positive Mosquito Pool - Newtown Twp - 9/7/2023

WNV Positive Mosquito Pool - Upper ChiChester Twp - 9/7/2023

WNV Positive Mosquito Pool - Upper Providence Twp - 9/7/2023

WNV Positive Mosquito Pool - Upper Providence Twp - 9/7/2023

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Haverford Twp and Radnor Twp - 8/31/2023

WNV Positive Mosquito Pool - Aston Twp - 8/29/2023

WNV Positive Mosquito Pool - Aston Twp - 8/29/2023

WNV Positive Mosquito Pool - Brookhaven Boro - 8/29/2023

WNV Positive Mosquito Pool - Brookhaven Boro - 8/29/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/29/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/29/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/29/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/29/2023

WNV Positive Mosquito Pool - Media Boro - 8/29/2023

WNV Positive Mosquito Pool - Radnor Twp - 8/29/2023

WNV Positive Mosquito Pool - Upper ChiChester - 8/29/2023

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Lower Chichester Township, Upper Chichester Township and Trainer Borough - 8/18/2023

WNV Positive Mosquito Pool - Springfield Twp - 8/18/2023

WNV Positive Mosquito Pool - Radnor Twp - 8/18/2023

WNV Positive Mosquito Pool - Upper ChiChester - 8/18/2023

WNV Positive Mosquito Pool - Upper Darby Twp - 8/18/2023

WNV Positive Mosquito Pool - Springfield Twp - 8/18/2023

WNV Positive Mosquito Pool - Upper ChiChester - 8/18/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/17/2023

WNV Positive Mosquito Pool - Ridley Park Boro - 8/17/2023

WNV Positive Mosquito Pool - Colwyn Pool - 8/17/2023

WNV Positive Mosquito Pool - Aston Twp - 8/17/2023

WNV Positive Mosquito Pool - Upper ChiChester - 8/17/2023

WNV Positive Mosquito Pool - Upper ChiChester - 8/17/2023

WNV Positive Mosquito Pool - Upper Providence Twp - 8/17/2023

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Haverford Township - 8/15/2023

WNV Positive Mosquito Pool - Media Boro - 8/14/2023

WNV Positive Mosquito Pool - Brookhaven Boro - 8/10/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/10/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/10/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/10/2023

WNV Positive Mosquito Pool - Springfield Twp - 8/10/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/10/2023

WNV Positive Mosquito Pool - Upper Darby Twp - 8/10/2023

WNV Positive Mosquito Pool - Ridley Park Boro - 8/10/2023

WNV Positive Mosquito Pool - Aston Twp - 8/9/2023

WNV Positive Mosquito Pool - Aston Twp - 8/9/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/9/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/9/2023

WNV Positive Mosquito Pool - Upper Darby Twp - 8/9/2023

The Delaware County Health Department to Spray Adulticide for Mosquitoes
in Upper Chichester, Aston, and Brookhaven on August 10th, 2023
- 8/9/2023

WNV Positive Mosquito Pool - Haverford Twp - 8/8/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 8/8/2023

WNV Positive Mosquito Pool - Aston Twp - 8/2/2023

WNV Positive Mosquito Pool - Darby Twp - 8/2/2023

WNV Positive Mosquito Pool - Rador Twp - 8/2/2023

WNV Positive Mosquito Pool - Upper Chichester - 8/2/2023

WNV Positive Mosquito Pool - Upper Chichester - 8/2/2023

WNV Positive Mosquito Pool - Landsdown Boro - 8/2/2023

WNV Positive Mosquito Pool - Brookhaven Boro - 8/1/2023

WNV Positive Mosquito Pool - Colwyn Boro - 8/1/2023

WNV Positive Mosquito Pool - Upper Darby Boro - 8/1/2023

WNV Positive Mosquito Pool - Yeadon Boro - 8/1/2023

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Upper Darby Township, Lansdowne Borough, Yeadon Borough and Darby Township - 7/28/2023

WNV Positive Mosquito Pool - Springfield Twp - 7/24/2023

WNV Positive Mosquito Pool - Edgemont Twp - 7/24/2023

WNV Positive Mosquito Pool - Lansdowne Boro - 7/24/2023

WNV Positive Mosquito Pool - Haverford Twp - 7/24/2023

WNV Positive Mosquito Pool - Ridley Park Boro - 7/24/2023

WNV Positive Mosquito Pool - Holy Cross Cemetery - 7/24/2023

WNV Positive Mosquito Pool - Upper Darby - 5/18/2023

WNV Positive Mosquito Pool - Upper ChiChester - 5/18/2023

WNV Positive Mosquito Pool - Colwyn Pool - 10/3/2022

WNV Positive Mosquito Pool - Reservoir Park - 9/30/2022

WNV Positive Mosquito Pool - Hermesprota Creek - 9/27/2022

WNV Positive Mosquito Pool - Cherry Street Park - 9/19/2022

WNV Positive Mosquito Pool – Ridley Twp A2201-01 - 9/19/2022

WNV Positive Mosquito Pool - Holy Cross Cemetary - 9/16/2022

WNV Positive Mosquito Pool - Reservoir Park - 9/15/2022

WNV Positive Mosquito Pool - Marple Twp - 9/15/2022

WNV Positive Mosquito Pool - Reservoir Park - 9/15/2022

WNV Positive Mosquito Pool – Springfield Twp A220-01 - 9/15/2022

WNV Positive Mosquito Pool – Springfield Twp A220-01 - 9/6/2022

WNV Positive Mosquito Pool - Ridley Lake - 9/1/2022

WNV Positive Mosquito Pool – Collingdale Boro A220-01 - 9/1/2022

WNV Positive Mosquito Pool – Marple Twp A2201-01 - 8/30/2022

WNV Positive Mosquito Pool – Darby Twp A220-01 - 8/29/2022

WNV Positive Mosquito Pool – Ridley Park Boro A125-01 - 8/29/2022

WNV Positive Mosquito Pool – Springfield Twp A220-01 - 8/29/2022

WNV Positive Mosquito Pool – Yeadon Boro A220-01 - 8/29/2022

WNV Positive Mosquito Pool – Upper Darby Twp A122-01 - 8/29/2022

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Collingdale - 8/29/2022

WNV Positive Mosquito Pool - Hermesprota Creek - 8/24/2022

WNV Positive Mosquito Pool - Sharon Hill Boro - 8/24/2022

WNV Positive Mosquito Pool - Smith St 415 - 8/24/2022

WNV Positive Mosquito Pool - Barlcay Square Apts (23) - 8/23/2022

WNV Positive Mosquito Pool - Hermesprota Creek (20) - 8/23/2022

WNV Positive Mosquito Pool - Smith St 415 (52) - 8/23/2022

WNV Positive Mosquito Pool - Reservoir Park - 01 (100) - 8/19/2022

WNV Positive Mosquito Pool - Reservoir Park - 02 (100) - 8/19/2022

WNV Positive Mosquito Pool - Reservoir Park - 03 (100) - 8/19/2022

WNV Positive Mosquito Pool - Reservoir Park (91) - 8/19/2022

WNV Positive Mosquito Pool - Cherry Street Park (101) - 8/19/2022

WNV Positive Mosquito Pool - Baltimore Pike & North Ave (54) - 8/19/2022

WNV Positive Mosquito Pool - Barlcay Square Apts (6) - 8/19/2022

WNV Positive Mosquito Pool - Hermesprota Creek (50) - 8/19/2022

WNV Positive Mosquito Pool - Smith St 415 (34) - 8/19/2022

WNV Positive Mosquito Pool - Iroquois & 4th (25) - 8/19/2022

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Collingdale - 8/19/2022

WNV Positive Mosquito Pool - Radwyn Apts (72) - 8/15/2022

WNV Positive Mosquito Pool - Radwyn Apts (100) - 8/15/2022

WNV Positive Mosquito Pool - Holy Cross Cemetary (75) - 8/15/2022

WNV Positive Mosquito Pool - Ardmore Trolley Holes (48) - 8/15/2022

WNV Positive Mosquito Pool - Mt Jacob Cemetary (13) - 8/15/2022

WNV Positive Mosquito Pool - Cherry Street Park (100) - 8/12/2022

WNV Positive Mosquito Pool - Aston Presbyterian (67) - 8/12/2022

WNV Positive Mosquito Pool - Aston Presbyterian (100) - 8/12/2022

WNV Positive Mosquito Pool - Colwyn Pool (59) - 8/9/2022

WNV Positive Mosquito Pool - Amosland Park (75) - 8/9/2022

WNV Positive Mosquito Pool - Amosland Park (100) - 8/9/2022

WNV Positive Mosquito Pool - Reservoir Park (64) - 8/9/2022

WNV Positive Mosquito Pool - Mt Zion Cemetary (84) - 8/8/2022

WNV Positive Mosquito Pool - Mt Zion Cemetary (100) - 8/4/2022

WNV Positive Mosquito Pool - Mt Zion Cemetary (109) - 8/4/2022

WNV Positive Mosquito Pool - Iroquois & 4th - 8/3/2022

WNV Positive Mosquito Pool - Ridley Lake (113) - 8/2/2022

WNV Positive Mosquito Pool - Ridley Lake (100) - 8/2/2022

The Delaware County Health Department to Spray Adulticide for Mosquitoes in Yeadon - 7/29/2022

WNV Positive Mosquito Pool - Smith St. (90) - 7/28/2022

WNV Positive Mosquito Pool - Smith St. (100) - 7/28/2022

WNV Positive Mosquito Pool - Aston Presbyterian - 7/27/2022

WNV Positive Mosquito Pool - Reservoir Park - 7/25/2022

WNV Positive Mosquito Pool - Ridley Lake (53) - 7/22/2022

WNV Positive Mosquito Pool - Ridley Lake (100) - 7/22/2022

WNV Positive Mosquito Pool - Pennsy Trail (17) - 7/22/2022

WNV Positive Mosquito Pool - Pennsy Trail (100) - 7/22/2022

WNV Positive Mosquito Pool - Colwyn Pool - 7/22/2022

WNV Positive Mosquito Pool - Beechwood Park - 7/22/2022

WNV Positive Mosquito Pool - Radwyn Apts - 7/21/2022

WNV Positive Mosquito Pool - Mt Jacob Cemetary (100) - 7/21/2022

WNV Positive Mosquito Pool - Mt Jacob Cemetary (104) - 7/21/2022

WNV Positive Mosquito Pool - Holy Cross Cemetary - 7/15/2022



For more information and assistance, the Delaware County Health Department Wellness Line is available 24 hours a day, 7 days a week. In addition to responding to phone calls, the Wellness Line also responds to email inquiries.

Phone: (484) 276-2100 (Available 24/7)
Email: DelcoWellness@co.delaware.pa.us



Contact Us

  •   201 West Front Street,
         Media, PA 19063
  •   8:30AM - 4:30PM
           Monday - Friday
  •   610-891-4000
  • webmaster@co.delaware.pa.us

About Delaware County

Delaware County, presently consisting of over 184 square miles divided into forty-nine municipalities is the oldest settled section of Pennsylvania.


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