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Ecology home > Water Quality > Permits - Point Source Pollution > General Permits > Aquatic Pesticide Permits > Freshwater Monitoring Data

Aquatic Pesticide Freshwater Monitoring Data

2,4-D | Fluridone | Diquat | Glyphosate/Imazapyr

This site provides monitoring data from various lakes and rivers in Washington that were treated with aquatic herbicides under NPDES permit.

 

2,4-D Residue Monitoring

Sacheen Lake, Pend Oreille County (Eurasian Watermilfoil Control)

• 2002 Monitoring Data - AquaKleen
• 2003 Monitoring Data - AquaKleen, DMA*4IVM
• 2004 Monitoring Data - DMA*4IVM

Diamond Lake, Pend Oreille County (Eurasian Watermilfoil Control)

• 2003 Monitoring Data - AquaKleen

Newman Lake, Spokane County (Eurasian Watermilfoil Control)

• 2003 Summer Monitoring Data - AquaKleen
• 2003 Fall Monitoring Data - AquaKleen
• 2004 Summer Monitoring Data - AquaKleen
• 2004 Fall Monitoring Data - AquaKleen

Liberty Lake, Spokane County (Eurasian Watermilfoil Control)

• 2004 Monitoring Data - Navigate
• 2006 Monitoring Data - DMA*4IVM
• 2007 Monitoring Data - DMA*4IVM

Hideaway Lake, Douglas County (Eurasian Watermilfoil Control)

• 2004 Monitoring Data - DMA*4IVM

Steel Lake, King County (Eurasian Watermilfoil Control)

• 2002 Monitoring Data - AquaKleen
• 2004 Monitoring Data - DMA*4IVM

North Lake, King County (Eurasian Watermilfoil Control)

• 2005 Monitoring Data - DMA*4IVM

Lake Serene, Snohomish County (Eurasian watermilfoil Control)

• 2005 Monitoring Data - DMA*4IVM

Spring Lake, King County (Eurasian Watermilfoil Control)

• 2003 Monitoring Data - DMA*4IVM

Lake Washington (Hunts Point), King County (Eurasian Watermilfoil Control)

• 2003 Monitoring Data - AquaKleen, DMA*4IVM (also includes biomass, dissolved oxygen, and temperature monitoring)
• 2004 Monitoring Data - DMA*4IVM (also includes plant frequency, biomass, dissolved oxygen, and temperature monitoring)

Columbia River, Wahkiakum County (Eurasian Watermilfoil Control)

• 2004 Welcome Slough Monitoring Data - DMA*4IVM
• 2004 Cathlamet Marina Monitoring Data - DMA*4IVM

 

Dissolved Oxygen Monitoring after 2,4-D Treatment

• 2004 Welcome Slough Monitoring Data - DMA*4IVM
• 2004 Cathlamet Marina Monitoring Data - DMA*4IVM

 

Fluridone Residue Monitoring

The strategy for fluridone treatments differs from other herbicides since the herbicide is deliberately maintained in the water at low concentrations for ten to twelve weeks during the treatment season.

Pipe and Lucerne Lakes, King County - Hydrilla Eradication Project

• 2003 Monitoring Data
• 2005 Annual Report- Fluridone data - Temperature profiles
• 2006 Annual Report - Fluridone data
• 2007 Annual Report - Fluridone data

 

Diquat Residue Monitoring

Big Bow Lake, Douglas County

• 2004 Monitoring Data (Eurasian Watermilfoil Control)

Battle Ground Lake, Clark County

• Journal article about Diquat herbicide residues and efficacy of Diquat on Brazilian elodea (Egeria densa)

 

Dissolved Oxygen Monitoring after Diquat Treatment

• 2003 Monitoring Data - Reward

 

Glyphosate and Imazapyr Residue Monitoring

Spring Lake, King County

• 2003 Monitoring Data - AquaPRO

North Lake, King County

• 2005 Monitoring Data - AquaPRO

 

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