A Summary of Whats in DEQs Database March 16 2016 2016 Oregon Pesticide Symposium Salem Oregon Phil Richerson Oregon Department of Environmental Quality Statewide Pe sticide ID: 711949
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Slide1
Water Quality Program
Pesticides in GroundwaterA Summary of What’s in DEQ’s DatabaseMarch 16, 20162016 Oregon Pesticide SymposiumSalem, Oregon
Phil Richerson | Oregon Department of Environmental QualitySlide2
Statewide Pesticide Use
What’s NOT in DEQ’s Database Groundwater Pesticide Data in DEQ’s Database
What Have We Looked For
Where Have We Looked
What Have We Found
Today's
TopicsSlide3
Statewide Pesticide Use
Roundup was an analyte in 206 samples collected from two GWMAs and 4 ambient studies. All results were BDL.Slide4
What’s NOT in DEQ’s Database
Cleanup Sites Public Drinking Water Suppliers
Source Area Assessments
Data from other sources
USGS
ODA lab database
Today's
Topics
In other words, this is NOT a comprehensive look at all groundwater pesticide data in the State.Slide5
222 analytes
Current Use (e.g., dacthal
,
atrazine
) Legacy (e.g., DDT) Results from 1991 through 2015
Analyte
lists have changed over time
Based on EPA’s Pesticides of Interest
Modified as
pestici
des come and go and test
methods are developed
What Have We Looked ForSlide6
3 Groundwater Management Areas
Ambient Groundwater Study Areas Landfills Miscellaneous Sites (e.g., Alkali Flat)
Where
Have We LookedSlide7Slide8
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County LandfillSlide9
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County Landfill
LUBGWMA
Alachlor
Atrazine
Atrazine-Desethyl
Atrazine-Desisopropyl
Bentazon
Bromacil
Dacthal
DEET
Dicamba
Diuron
Endosulfan
sulfate
Imazapyr
Imidacloprid
Methomyl
Metolachlor
Metribuzin
Pentachlorophenol
Phenoxyherbicide
Screen
Picloram
Prometon
Propazine
Simazine
TebuthiuronSlide10
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County Landfill
SWV GWMA
2,6-Dichlorobenzamide
4,4`-DDT
Alachlor
Atrazine
Atrazine-Desethyl
Bromacil
Clopyralid
Deisopropylatrazine
Desethylatrazine
Diazinon
Diuron
Ethofumesate
Imidacloprid
Malathion
Metolachlor
Metribuzin
Norflurazon
Picloram
Simazine
Terbacil
TriclopyrSlide11
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County Landfill
Rogue Basin
2,4´-DDD
2,6-Dichlorobenzamide
4,4´-DDD
4,4´-DDE
4,4´-DDT
Acetamiprid
Atrazine
Deisopropylatrazine
Desethylatrazine
Diuron
Heptachlor
epoxide
Norflurazon
Pentachlorophenol
Prometon
SimazineSlide12
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County Landfill
NMC GWMA
4,4`-DDD
4,4`-DDE
4,4`-DDT
Aldrin
Atrazine
Atrazine-Desethyl
Atrazine-Desisopropyl
Bentazone
Bromacil
Bromomethane
Cycloate
Dacthal
DEET
delta-BHC
Dieldrin
Dinoseb
Diuron
Endosulfan
I
Endosulfan
II
Endosulfan
sulfate
NMC GWMA
Endrin
Endrin
Ketone
Heptachlor
Heptachlor
epoxide
Hexazinone
Imazapyr
Metalaxyl
Methoxychlor
Metolachlor
Metribuzin
Nitrogen/
Phos
. Screen
Pendimethalin
Phenoxyherbicide
Screen
Prometon
Simazine
Terbacil
Triclopyr
Slide13
Northern Malheur County GWMA
Lower Umatilla Basin GWMA
Southern Willamette Valley GWMA
North Coast Ambient Study
Alkali Lake
Haz
Waste Site
Milton-
Freewater
Ambient Study
Burns Ambient Study
Baker Landfill
Agate Beach Landfill
Port
Orford
Landfill
Box Canyon Landfill
City of Spray
Crook County Landfill
S. Deschutes / N. Klamath Ambient Study
Rogue Basin Ambient Study
Klamath Falls Landfill
Lake County Landfill
Alkali Lake Site
2,4,5-T
2,4-D
2,4-DB
3,5-Dichlorobenzoic acid
Bentazon
Chloramben
Dicamba
Dichloroprop
Dinoseb
MCPA
MCPP
Pentachlorophenol
Picloram
SilvexSlide14
79 of 222 pesticides detected at least once (36%)
Pesticides were detected in about 2.5% of
samples (2,540 out of 100,737)
What
Have We FoundSlide15
Top 25 Pesticides Detected
Analyte
#
Use
Dacthal
1525
Herbicide
Atrazine-Desethyl
209
Herbicide
Atrazine
150
Herbicide
Phenoxyherbicide Screen
75
Herbicide
Simazine
51
Herbicide
Desethylatrazine
35
Herbicide
Bromacil
33
Herbicide
Diuron
33
Herbicide
Deisopropylatrazine
32
Herbicide
Metribuzin
31
Herbicide
MCPA
27
Herbicide
2,6-Dichlorobenzamide
26
Herbicide
Prometon
25
Herbicide
Metolachlor
21
Herbicide
2,4-D
19
Herbicide
2,4,5-T
14
Herbicide
DEET
13
Insecticide
MCPP
12
Herbicide
Dicamba
11
Herbicide
Picloram
11
Herbicide
Silvex
11
Herbicide
Malathion
10
Insecticide
2,4-DB
9
Herbicide
Pentachlorophenol
9
Insecticide and Fungicide
Terbacil
9
HerbicideSlide16
The End
Any Questions?
(541) 278-4604Phil.Richerson@state.or.us