Current Approved Aquatic Vegetation Treatment Proposals
Updated January 30, 2023
A Treatment Proposal must be submitted for review to TPWD, as well as local controlling entities, before vegetation management activities are conducted in public water. This page lists current treatment proposals that have been submitted and approved by Texas Parks and Wildlife Department. Note these are only proposals. Depending on weather, plant growth, and available funds, all of the acres proposed for treatment may not be treated.
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Water Body | Proposed Date | Plant Species | Proposed Treatment | Acres | |
---|---|---|---|---|---|
Type | Method | ||||
San Marcos River | 1/2/23 | Hydrilla verticillata, Ceratopteris thalictroides, Nasturtium officinale, Eichornia crassipes, Pistia stratiotes, Hygrophila polysperma, Limnophila sessiflora | Mechanical | Physical removal, Physical removal, Physical removal, Physical removal, Physical removal, Physical removal | 2.37 ac, 0.08 ac, 1.7 ac, 0.22 ac, 0.22 ac, 2.37 ac, 0.22 ac |
Lake Timpson | 1/1/23 | Giant salvinia | Chemical | RoundUp Custom | 8-15 ac |
Lake Palestine | 1/1/23 | Giant salvinia | Chemical | Diquat, Penoxsulam, Fllumioxazin, Glyphosate, Pro MSM 60, Carfentrazone | 600 ac, 600 ac, 600 ac, 600 ac, 600 ac, 600 ac |
Caddo Lake | 1/1/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | Up to 50 ac, 13,000 ac, 500 ac |
Toldeo Bend | 1/1/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrozone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 500 ac, 6000 ac, 200 ac |
Taylor Bayou | 1/1/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 100 ac, 600 ac, 600 ac |
Hillebrandt Bayou | 1/1/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 100 ac, 600 ac, 600 ac |
Big Hill Bayou | 1/1/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 100 ac, 600 ac, 600 ac |
Adams Bayou | 1/1/23 | Salvinia spp., Water hyacinth | Chemical | Diquat, Penoxsulam, Flumioxazin, Glyphosate, Pro MSM 60, Carfentrazone, Diquat, Penoxsulam, Flumioxazin, Glyohosate, 2,4-D, Carfentrazone | 100 ac, 100 ac |
Cow Bayou | 1/1/23 | Salvinia spp., Water hyacinth | Chemical | Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 120 ac, 100 ac |
Kurth Lake | 1/1/23 | Common salvinia | Chemical | Flumioxazin, Carfentrazone, Diquat, Penoxsulam, Glyphosate, Pro MSM 60 | 5 ac |
Lake Nacogdoches | 1/1/23 | Giant salvinia | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60 | 50 ac |
Martin Creek Lake | 1/1/23 | Giant salvinia | Chemical | Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60 | 20 ac |
B. A. Steinhagen Lake | 1/16/23 | Giant salvinia | Biological, Chemical | Glyphosate, Diquat, Metsulfuron Methyl, Flumioxazin, Salvinia weevils | 2000 ac, 500 ac |
B. A. Steinhagen Lake | 1/16/23 | Water hyacinth, Alligatorweed | Biological, Chemical | Glyphosate, Diquat, Flumioxazin, Flea beetles | 1000 ac, 200 ac |
Lake O the Pines | 1/16/23 | Giant salvinia | Biological, Chemical | Glyphosate, Diquat, Metsulfuron Methyl, Flumioxazin, Salvinia weevils | 2000 ac, 200 ac |
Sam Rayburn | 1/9/23 | Water hyacinth, Alligatorweed | Biological, Chemical | Glyphosate, Diquat, Flumioxazin, Flea beetles | 1000 ac, 200 ac |
Sam Rayburn | 1/9/23 | Giant salvinia | Biological, Chemical | Glyphosate, Diquat, Metsulfuron Methyl, Flumioxazin | 2000 ac, 500 ac |
Ascarate Lake | 2/1/23 | Marine Naiad | Mechanical | Mechanical Cutting | 35 ac |
Lake Raven | 1/26/23 | Giant salvinia, Water hyacinth | Biological, Chemical | Salvinia weevils, Diquat, Penoxsulam, Flumioxazin, Glyphosate, Carfentrazone, Pro MSM 60, Diquat, Penoxsulam, Flumioxazin, Glyphosate, 2,4-D, Carfentrazone | 1-50 ac, 60 ac, 60 ac |
Herbicide Labels & Safety Data Sheets
National Pesticide Information Center: Label and SDS Databases — list of searchable databases where you can find product labels and Safety Data Sheets (SDS) for herbicides mentioned in treatment proposals
Texas Lake Finder
Follow these links for information about public water bodies mentioned above:
- Texas Freshwater Lakes (list of more than 150 reservoirs)
- Community Fishing Lakes (small local lakes)