Several times every year the lake is treated with chemicals to combat seaweed.
Swim at your own risk for 1-6 days after spraying depending on the types of chemicals used.
- Aquatic Services’ herbicide application online calendar
- Aquatic Herbicides and/or Algaecides Treatment Notice
- Current Weed Control Spraying Maps
- BaseLine Lake Treatment Map June 2023
Usual chemicals include:
- Copper Ethanolamine (Chelated Copper)
- Copper Ethylenediamine (Chelated Copper)
- Diquat Dibromide
- Triclopyr
- 2, 4-D
- Copper Sulfate
- Endothall
- Flumioxazin
- Carfentrazone
- Soduim Carbonate Peroxyhydrate
- Endothall
- Florpyrauzifen-benzyl
- Fluridone
- Glyphosate
- Imazapyr
- Adjuvant
Here are samples of previous year’s notices of chemical cocktails representative and what such notices look like. Usually you will find it stapled to the large wooden flag pole/mast in our yard.
