2026 Ground Treatment History

Below is a list of all scheduled ground treatments to date in 2026.


WhenAreaActivityFactorCompleted/
Cancelled
ZipProduct Used
7/10/2026
2am-6am
City of Winters - Wolfskill St North to Moody Slough Rd; Suffolk Pl East to Wild Rose LnTruck LVInvasive SpeciesCompleted95694Vectobac WDG
7/9/2026
8pm-12am
Tahoe Park, Greenfair Park, and Granite Regional ParkULVWest Nile Positive PoolCompleted95817, 95820, 95826DeltaGard
7/9/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
7/9/2026
8pm-12am
Del Paso Country Club, Del Paso Regional Park, Mission North Park and Maddox ParkULVWest Nile Positive PoolCompleted95841, 95821, 95608DeltaGard
7/9/2026
8pm-12am
American River Bike Trail / Jedediah Smith Memorial Trail: I5 to Hazel AveULVWest Nile Positive PoolCompleted95833, 95815, 95825, 95864, 95826, 95608, 95827, 95670DeltaGard
7/8/2026
8pm-12am
Winters Rice South of rd 24ULVHigh Trap CountsCompleted95616,95695,95694DeltaGard
7/8/2026
8pm-12am
Whitelock Pkwy between Bellaterra Dr East to Big Horn Blvd, Bridgeview Park, Promenade Park, Oasis Park and Kunsting Family ParkULVWest Nile Positive PoolCompleted95757DeltaGard
7/8/2026
8pm-12am
West of Woodland ULV BufferULVHigh Trap CountsCompleted95695DeltaGard
7/8/2026
8pm-12am
Tahoe Park, Greenfair Park, and Granite Regional ParkULVWest Nile Positive PoolCompleted95817, 95820, 95826DeltaGard
7/8/2026
8pm-12am
Laguna Creek from HWY 99 East to Elk Grove Florin Rd and Bond Rd. Glen E. Underwood Park, Camden ParkULVWest Nile Positive PoolCompleted95624DeltaGard
7/8/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
7/8/2026
8pm-12am
El Macero RiceULVAbundanceCompleted95618DeltaGard
7/8/2026
8pm-12am
Del Paso Country Club, Del Paso Regional Park, Mission North Park and Maddox ParkULVWest Nile Positive PoolCompleted95841, 95821, 95608DeltaGard
7/8/2026
8pm-12am
ChurcHill Downs North AgULVHigh Trap CountsCompleted95776, 95695DeltaGard
7/8/2026
8pm-12am
American River Bike Trail / Jedediah Smith Memorial Trail: I5 to Hazel AveULVWest Nile Positive PoolCompleted95833, 95815, 95825, 95864, 95826, 95608, 95827, 95670DeltaGard
7/8/2026
8pm-12am
Ag Area West of DavisULVAbundanceCompleted95616DeltaGard
7/8/2026
8pm-12am
Ag Area Northwest of DavisULVAbundanceCompleted95616DeltaGard
7/8/2026
2am-6am
Citrus Heights/Fair Oaks/Orangevale Area - C-Bar-C Park S to Madison Ave; Sunrise Blvd East to Hickory AveULVInvasive SpeciesCompleted95610, 95662, 95628DeltaGard
7/8/2026
2am-6am
Citrus Heights/Fair Oaks/Orangevale Area - C-Bar-C Park S to Madison Ave; Sunrise Blvd East to Hickory AveTruck LVInvasive SpeciesCompleted95610, 95662, 95628Vectobac WDG
7/6/2026
8pm-12am
Winters Rice South of Rd 24ULVAbundanceCompleted95616,95695,95694DeltaGard
7/6/2026
8pm-12am
Roosevlet RanchULVHigh Trap CountsCompleted95695, 95698DeltaGard
7/6/2026
8pm-12am
Emerald Vista Park, Canyon Creek Park, Roundstone Park, Galt Community Park, Deadman Gulch area, Lake Canyon Park, Monterey ParkULVWest Nile Positive PoolCompleted95632DeltaGard
7/6/2026
8pm-12am
Dillard Rd South to Twin Cities Rd, Alta Mesa Rd East to Clay Station RdULVWest Nile Positive PoolCompleted95693, 95638, 95632DeltaGard
7/6/2026
8pm-12am
Anatolia Bike Trail, Kavala Ranch Park, Eagles Nest Park Sandpiper Park, and Heron Landing ParkULVWest Nile Positive PoolCompleted95742DeltaGard
7/6/2026
8pm-12am
Ag area Northeast DavisULVAbundanceCompleted95618,95616,95776DeltaGard
7/6/2026
8pm-12am
Ag Area Around Madison, CaULVWest Nile Positive PoolCompleted95653DeltaGard
7/2/2026
8pm-12am
Woodland ULV BufferULVHigh Trap CountsCompleted95695, 95776DeltaGard
7/2/2026
8pm-12am
Winters Rice South of Rd 24ULVAbundanceCompleted95616,95695,95694DeltaGard
7/2/2026
8pm-12am
West of Woodland ULV BufferULVHigh Trap CountsCompleted95695DeltaGard
7/2/2026
8pm-12am
Roosevlet RanchULVHigh Trap CountsCompleted95695, 95698DeltaGard
7/2/2026
8pm-12am
Maddox Park, Orville Wright Park, Carmichael Park, and Del Paso ParkULVWest Nile Positive PoolCompleted95841, 95821. 95608DeltaGard
7/2/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
7/2/2026
8pm-12am
Del Paso Country Club, Cottage Park, Howe Community Park and Santa Anita ParkULVWest Nile Positive PoolCompleted95821, 95825DeltaGard
7/2/2026
8pm-12am
ChurcHill Downs North AgULVHigh Trap CountsCompleted95776, 95695DeltaGard
7/2/2026
8pm-12am
American River Bike Trail / Jedediah Smith Memorial Trail: I5 to Hazel AveULVWest Nile Positive PoolCompleted95833, 95815, 95825, 95864, 95826, 95608, 95827, 95670DeltaGard
7/2/2026
8pm-12am
Ag Area West of DavisULVAbundanceCompleted95616DeltaGard
7/2/2026
8pm-12am
Ag Area Northwest of DavisULVAbundanceCompleted95616DeltaGard
7/2/2026
2am-6am
Citrus Heights/Fair Oaks/Orangevale Area - C-Bar-C Park S to Madison Ave; Sunrise Blvd East to Hickory AveTruck LVInvasive SpeciesCompleted95610, 95662, 95628Vectobac WDG
7/1/2026
8pm-12am
Winters Rice South of Rd 24ULVAbundanceCompleted 95616,95695,95694DeltaGard
7/1/2026
8pm-12am
Tahoe Park, Greenfair Park, and Granite Regional ParkULVWest Nile Positive PoolCompleted95817, 95820, 95826DeltaGard
7/1/2026
8pm-12am
Maddox Park, Orville Wright Park, Carmichael Park, and Del Paso ParkULVWest Nile Positive PoolCompleted95841, 95821. 95608DeltaGard
7/1/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
7/1/2026
8pm-12am
El Macero RiceULVAbundanceCompleted95618DeltaGard
7/1/2026
8pm-12am
Del Paso Country Club, Cottage Park, Howe Community Park and Santa Anita ParkULVWest Nile Positive PoolCompleted95821, 95825DeltaGard
7/1/2026
8pm-12am
American River Bike Trail / Jedediah Smith Memorial Trail: I5 to Hazel AveULVWest Nile Positive PoolCompleted95833, 95815, 95825, 95864, 95826, 95608, 95827, 95670DeltaGard
7/1/2026
8pm-12am
Ag area Northeast DavisULVAbundanceCompleted 95618,95616,95776DeltaGard
7/1/2026
8pm-12am
Ag Area West of DavisULVAbundanceCompleted 95616DeltaGard
7/1/2026
8pm-12am
Ag Area Northwest of DavisULVAbundanceCompleted 95616DeltaGard
7/1/2026
2am-6am
City of Winters - Wolfskill St North to Moody Slough Rd; Suffolk Pl East to Wild Rose LnULVInvasive SpeciesCompleted95694DeltaGard
7/1/2026
2am-6am
City of Winters - Wolfskill St North to Moody Slough Rd; Suffolk Pl East to Wild Rose LnTruck LVInvasive SpeciesCompleted95694Vectobac WDG
6/29/2026
8pm-12am
Winters Rice South of Rd 24ULVAbundanceCompleted95616, 95695, 95694DeltaGard
6/29/2026
8pm-12am
Tyler Island South of the Race Track Rd and Tyler Island Rd IntersectionULVHigh Trap CountsCompleted95641, 95690DeltaGard
6/29/2026
8pm-12am
Roosevlet RanchULVHigh Trap CountsCompleted95695, 95698DeltaGard
6/29/2026
8pm-12am
North D108ULVHigh Trap CountsCompleted95937, 95645DeltaGard
6/29/2026
8pm-12am
Natomas Rice - W Elverta Rd South to Elkhorn Blvd, Hwy 99 East to E. Levee RdULVHigh Trap CountsCancelled95835, 95836, 95626, 95673DeltaGard
6/29/2026
8pm-12am
Gardner Ave East to Escelsor Rd, Wayne Ct South to Mix LnULVWest Nile Positive PoolCompleted95829DeltaGard
6/29/2026
8pm-12am
El Macero RiceULVAbundanceCompleted95618DeltaGard
6/29/2026
8pm-12am
Bilby Rd South to Lambert Rd, I-5 East to HWY 99ULVWest Nile Positive PoolCompleted95757DeltaGard
6/29/2026
8pm-12am
Ag area Northeast DavisULVAbundanceCompleted95618, 95616, 95776DeltaGard
6/26/2026
2am-6am
Rosemont - Folsom Blvd East to Mayhew Rd, HW50 South to Kiefer Blvd Truck LVInvasive SpeciesCompleted95826, 95827Vectobac WDG
6/26/2026
2am-6am
City of Winters - Wolfskill St North to Moody Slough Rd; Suffolk Pl East to Wild Rose LnTruck LVInvasive SpeciesCompleted95694Vectobac WDG
6/24/2026
8pm-12am
Tyler Island South of the Race Track Rd and Tyler Island Rd IntersectionULVHigh Leg CountsCompleted95641, 95690DeltaGard
6/24/2026
8pm-12am
Natomas Rice - W Elverta Rd South to Elkhorn Blvd, Hwy 99 East to E. Levee RdULVHigh Trap CountsCompleted95835, 95836, 95626, 95673DeltaGard
6/24/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
6/24/2026
8pm-12am
Gibbons Park, Mission North Park, Maddox Park, Carmichael ParkULVWest Nile Positive PoolCompleted95608, 95821DeltaGard
6/24/2026
8pm-12am
Del Paso Country Club and Del Paso ParkULVWest Nile Positive PoolCompleted95841, 95821DeltaGard
6/24/2026
8pm-12am
Bean Jr. Memorial Park, St. Mary Cemetery, and Granite Regional ParkULVWest Nile Positive PoolCompleted95820, 95826DeltaGard
6/24/2026
8pm-12am
American River Bike Trail / Jedediah Smith Memorial Trail: I5 to Hazel AveULVWest Nile Positive PoolCompleted95833, 95815, 95825, 95864, 95826, 95608, 95827, 95670DeltaGard
6/23/2026
8pm-12am
Winters Rice South of Rd 24ULVAbundanceCompleted95616, 95695, 95694DeltaGard
6/23/2026
8pm-12am
Roosevlet RanchULVHigh Trap CountsCompleted95695, 95698DeltaGard
6/23/2026
8pm-12am
Ag area Northeast DavisULVAbundanceCompleted95618, 95616, 95776DeltaGard
6/19/2026
8pm-12am
Mather Park and Golf Course, Independence Community Park, Veterens ParkULVWest Nile Positive PoolCompleted95655DeltaGard
6/19/2026
8pm-12am
Bilby Rd South to Lambert Rd, I-5 East to HWY 99ULVHigh Trap CountsCompleted95757DeltaGard
6/17/2026
8pm-12am
North of Winters RiceULVAbundanceCompleted95616, 95695, 95694DeltaGard
6/17/2026
8pm-12am
Laguna Creek from Franklin Blvd East to Elk Grove Florin Rd and Bond Rd. North Laguna Creek Park, Camden ParkULVWest Nile Positive PoolCompleted95758, 95624, 95823DeltaGard
6/17/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
6/17/2026
8pm-12am
El Macero RiceULVAbundanceCompleted95618DeltaGard
6/17/2026
8pm-12am
Del Paso Country Club, Howe Park, Santa Anita Park, and Cottage ParkULVWest Nile Positive PoolCompleted95821, 95825DeltaGard
6/17/2026
8pm-12am
Ag area Northeast DavisULVAbundanceCompleted95618, 95616, 95776DeltaGard
6/17/2026
8pm-12am
Ag area East of I505, South Gibson RoadULVHigh Trap CountsCompleted95695, 95694DeltaGard
6/17/2026
2am-6am
Rosemont - Folsom Blvd East to Mayhew Rd, HW50 South to Kiefer Blvd Truck LVInvasive SpeciesCompleted95826, 95827Vectobac WDG
6/11/2026
2am-6am
Rosemont - Folsom Blvd East to Mayhew Rd, HW50 South to Kiefer Blvd Truck LVInvasive SpeciesCompleted95826, 95827Vectobac WDG
6/10/2026
8pm-12am
Haggin Oaks Golf ComplexULVWest Nile Positive PoolCompleted95821DeltaGard
6/10/2026
8pm-12am
Bean Jr. Memorial Park, St. Mary Cemetery, and Granite Regional ParkULVWest Nile Positive PoolCompleted95820, 95824, 95826DeltaGard
6/10/2026
8pm-12am
American River Parkway (160 East to Howe Ave), Babcock Park, Howe Community Park, and Santa Anita ParkULVWest Nile Positive PoolCompleted95815, 95825DeltaGard
5/20/2026
8pm-12am
Bean Jr. Memorial Park, St. Mary Cemetery, and Granite Regional ParkULVWest Nile Positive PoolCompleted95820, 95824, 95826DeltaGard