Pesticide Notifications

Contra Costa County Posting and Notification for Pesticide Use on County Land

Posting is required at least 3 days before the pesticide application until at least 4 days after. The Posting and Notification Policy applies only to County-owned land. Posting is not required on rights-of-way or in locations that the public does not use for recreation or pedestrian purposes. For the full posting policy, please click here.

The chart below includes required notifications along with any schedule changes, and label and safety data sheet(s) (SDS) for each chemical to be applied.

2015 Pesticide Notifications

Date Location Material Notes Department
02/09-02/20 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance
and landscape weeds
Buildings &
Grounds
04/29-05/30 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
06/08-06/11 Ironhorse Corridor from
Stone Valley Rd to Las Trampas
Roundup Custom: Label/SDS
Habitat: Label/SDS
Cut stump treatment Maintenance
08/11-08/20 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
09/01-09/10 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
10/02-10/12 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
10/30-11/06 4491 Bixler Rd, Byron
Byron Boys Ranch
Baseball field
Roundup Pro Max: Label/SDS Field Maintenance Buildings &
Grounds
11/24-12/10 Ironhorse Corridor fence lines-
Alameda County line to Marsh Dr.
Roundup Custom: Label/SDS
Habitat: Label/SDS
Spot cut stump treatment Maintenance
11/24-12/10 Ironhorse Corridor fence lines-
Alameda County line to Marsh Dr.
Esplanade: Label/SDS Fire break maintenance  Maintenance

2016 Pesticide Notifications

Date Location Material Notes Department
01/04-01/12 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
03/01-03/19 Pacheco Creekside Trail along
Aspen Dr. Between Center Ave.
and Pacheco Blvd
Roundup Pro Max: Label/SDS Trail maintenance and
landscape weeds
Buildings &
Grounds
04/28 Law Enforcement Training
Center- 340 Marina Blvd
Pittsburg, CA 94565
Precor IGR Concentrate: Label/SDS
Precor Aerosol: Label/SDS
PCO Choice: Label/SDS
Interior & Exterior
Flea infestation
Facilities
06/03 Los Arboles Head Start
240 Los Dunas, Oakley

Advion Fire ant bait: Label/SDS Back Yard Treatment Facilities
08/10 CCC Public Works
255 Glacier Drive
Martinez, CA 94553
Advion Insect Granule: Exterior, Ants and 
Oriental Cockroach
12pm - 1pm
Facilities
08/10
Pittsburg Health Center
2311 Loveridge Rd
Pittsburg, CA 94565
Advion Insect Granule: Exterior, Ants and
Oriental Cockroach
2:45pm - 4:45pm
Facilities
08/10 1650 Cavallo Rd
Antioch, CA
Advion Insect Granule: Exterior, Ants and
Oriental Cockroach
4:55pm - 5:18pm
Facilities