Aquatic Herbicide applications for the control of Eurasian watermilfoil (EWM) were carried out on May 31, 2016. See below for water use restrictions and treatment information.
Potable and irrigation water use restrictions are no longer in effect.
An aquatic herbicide application to treat the aquatic noxious weed Eurasian watermilfoil is planned for Hayden Lake (Kootenai County, Idaho) the week of May 30, 2016. The aquatic herbicide Reward (diquat dibromide, EPA Registration # 100-1091) will be applied to up to 90 acres in areas of Hayden Lake to control Eurasian watermilfoil. Irrigation and drinking water restrictions will be in effect in treated and adjacent areas until herbicide residue levels in the water are within levels specified by the herbicide label. Homeowners who use water from the lake for drinking or irrigation are advised to not use lake water until herbicide residue samples indicate it is acceptable to do so. Restrictions will be in effect for a minimum of five (5) days or more depending on residue results. For up-to-date information about treatment plans and water use restrictions visit the applicator’s website: www.cleanlake.com/2016idahoewmtreatments.htmlor contact Tom Woolf, Idaho State Department of Agriculture, Aquatic Program Manager: 208-608-3404thomas.woolf@agri.idaho.gov.
NOTICE
WATER USE RESTRICTION AREA
An aquatic herbicide application is planned for areas of Hayden Lake the week of May 30, 2016. The aquatic herbicide Reward (diquat dibromide, EPA Registration # 100-1091) will be applied in up to 90 acres in Hayden Lake in various discrete locations to control Eurasian watermilfoil.
Irrigation and drinking water restrictions will be in effect in treated areas until herbicide residue levels in the water are within levels specified by the herbicide label. Homeowners who use water from the lake for drinking or irrigation are advised to not use lake water until herbicide residue samples indicate it is acceptable to do so. Restrictions will be in effect for a minimum of five (5) days or more depending on residue results Refer to the applicator’s website below for up to date water use restriction information. Restrictions on water use will be as follows:
Potable water: Home owners who use water from the lake for drinking are advised to not use lake water within the restricted areas for a minimum of five (5) days following the herbicide treatment. Water use restrictions will be reviewed and updates provided approximately five to seven days after treatment based on water sample laboratory analysis results.
Irrigation: Treated water may not be used for irrigation purposes for up to five (5) days after application.
Recreational Use of Water in treatment Area: There are no restrictions on use of water in the treatment area for recreational purposes, including swimming and fishing.
Animal Consumption: Do not intentionally use water from the treated area for animal consumption purposes for one (1) day after applications. This does notapply to incidental exposure of animals to treated water.
See the website below for a detailed map indicating where restrictions will be in effect. Home owners within the treatment areas who use water from the lake for drinking or irrigation are advised to not use lake water for a period of a minimum of five (5) days or more as described above. For up-to-date information about treatment information visit the applicator’s website at: www.cleanlake.com/2016idahoewmtreatments.html
Contact Tom Woolf, Idaho State Department of Agriculture, Aquatic Plant Program Manager, with any questions: 208-608-3404 or email at thomas.woolf@agri.idaho.gov.
Areas highlighted in green in the map below indicate areas treated on May 31, 2016.
There are no water use restrictions in effect in areas highlighted in green.
Legend
Yellow Polygons - Planned treatment and water use restriction area
Red Polygons - Treated and water use restriction area
Green Polygons - Treated area with no water use restriction
