Coastal Water Authority periodically conduct assessments to target invasive/nuisance species on Lake Houston to protect the City of Houston’s raw water intake structures. CWA does NOT treat private canals or properties. The target species are the following:
- Floating Type:
- Water Hyacinth (Eichhornia crassipes)
- Water Lettuce (Pistia stratiotes)
- Common/Giant Salvinia (Salvinia molesta)
- Emerging Type:
- Crested Floating Heart (Nymphoides crestata)
- American Lotus (Nelumbo lutea)
- Submerge Type:
- Hydrilla (Hydrilla verticillate)
