Herbicide Tracker California

Companies · Public records

P.M. DUSTERS/PORTER FLYING SERVICE INC

675 published forestry herbicide applications in Butte County, California.

How this name appears in the records

This independent index is compiled from county pesticide use reports and the permits associated with them. Being listed on a permit does not establish who performed an individual application or that a violation occurred. Each application below identifies its source and recorded roles.

Company record file

More about P.M. DUSTERS/PORTER FLYING SERVICE INC

Background, reporting gaps and agency actions, with supporting documents as they are published.

Company information

Company background and additional information from published sources.

No additional information published in this section yet.

Unreported applications

Documents concerning herbicide applications and reporting gaps.

No records published in this section yet.

Investigations

Investigation records, agency correspondence and case updates.

No records published in this section yet.

Violations

Agency notices, findings, enforcement actions and their outcomes.

No records published in this section yet.

These sections reflect what this site has published. An empty section does not establish whether an incident or violation occurred.

Application records

DateApplication / reported siteOwnerReported operator / permitteeApplicatorAcresChemicals appliedUse siteMethod
Sep 25, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC5Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 25, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC36.9Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 25, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC50Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 25, 2026LOMO
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC35Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 25, 2026BUTTE MEADOWS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC15Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 2 tank additives
Forestry / timberlandGround
Sep 24, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC38Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 24, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC41Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 24, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC7Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 24, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC10Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 24, 2026FOREST RANCH - W 1/2
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC25Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 24, 2026POWELLTON
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC12.6Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 24, 2026POWELLTON
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC20.4Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 23, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC40Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 23, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC55Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 23, 2026POWELLTON
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC41.5Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 23, 2026POWELLTON - W 1/2
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC9.1Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 22, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC40Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 22, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC41Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 22, 2026FOREST RANCH
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC57Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 22, 2026FLEA VALLEY - E 1/2
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC9.7Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 21, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC37Glyphosate, diammonium salt
DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
Forestry / timberlandGround
Sep 21, 2026FEATHER FALLS
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC7Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Sep 21, 2026POWELLTON
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESN/A46.9Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 21, 2026FOREST RANCH
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC6.2Glyphosate, diammonium salt, Imazapyr, isopropylamine salt
ALLIGARE ROTARY 2 SL, DREXEL DUPLICATOR 6 HERBICIDE
+ 2 tank additives
DPR Water Protection List
Forestry / timberlandGround
Sep 18, 2026LOMO
Butte County
SIERRA PACIFIC INDUSTRIESSIERRA PACIFIC INDUSTRIESACC FORESTRY LLC26Glyphosate, diammonium salt, Triclopyr, triethylamine salt
DREXEL DUPLICATOR 6 HERBICIDE, GARLON 3A
+ 2 tank additives
Forestry / timberlandGround
Recorded roles by application

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P.M. DUSTERS/PORTER FLYING SERVICE INC — herbicide records · Herbicide Tracker California