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AP Aquatic Invasive Species Management GP
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General permit issued to regulate the application of chemicals (used to control non-native invasive aquatic animals and non-native invasive marine algae) in order to protect state waters.
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AP Aquatic Mosquito Control GP
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General permit issued to regulate mosquito control districts and government entities that apply specified control chemicals (used to control mosquitoes and mosquito larvae) in order to protect state waters.
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AP Aquatic Noxious Weed Management GP
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The general permit covers the indirect discharge of herbicides, adjuvants, and marker dyes into estuaries, marine areas, wetlands, along lake shorelines, rivers, streams, and other wet areas to manage Spartina and freshwater noxious weeds in Washington. An indirect discharge occurs when there may be incidental overspray or dripping of a chemical from the treated plants into waters of the state.
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AP Aquatic Plant and Algae Management GP
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General permit to regulate application of herbicides and other products used in lakes to treat plants or algae in order to protect state waters.
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AP Eel Grass Management GP
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The Zostera japonica Management on Commercial Clam Beds in Willapa Bay permit is a combined National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit. It allows the use of imazamox and marker dyes on commercial clam beds (excluding geoduck), in Willapa Bay only, for control of Zostera japonica eelgrass, a Class C noxious weed.
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AP Eelgrass Management GP
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The Zostera japonica Management on Commercial Clam Beds in Willapa Bay permit is a combined National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit. It allows the use of imazamox and marker dyes on commercial clam beds (excluding geoduck), in Willapa Bay only, for control of Zostera japonica eelgrass, a Class C noxious weed.
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AP Fish Management IP
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Individual permit issued to WA State Fish and Wildlife (WFDW) that regulates the discharge of 2 fish eradication chemicals (rotenone and antimycin A used to control undesirable fish species) in order to protect waters of the state.
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AP Fisheries Resource Management GP
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Fisheries Resource Management Permit - issued to WA WDFW - Rotenone permit
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AP Invasive Moth Control IP
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Individual permit issued to WA State Dept of Agriculture to regulate insecticides (used to control invasive moths)applied to vegetation within and overhanging surface waters in order to protect state waters.
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AP Irrigation System Aquatic Weed Control GP
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General permit issued to regulate applicators of herbicides to control aquatic weeds in irrigation water conveyance systems
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AP Oyster Growers IP
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Individual permit issued to Willapa Bay/Grays Harbor Oyster Growers and to Farm and Forest Helicopter Service Inc. to regulate application of carbaryl (used to control burrowing shrimp) to state waters.
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AP Zostera Japonica
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The Zostera japonica Management on Commercial Clam Beds in Willapa Bay General Permit (permit) regulates the use of the aquatic herbicide imazamox and marker dyes applied to manage Z. japonica on commercial clam beds (excluding geoduck culture) in Willapa Bay where imazamox may enter the surface waters of the state of Washington. The permit covers only the chemical management of Z. japonica.
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Aquatic and Invasive Species Control GP
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Aquatic and Invasive Species Control General Permit
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Boatyard GP
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General permit issued to boatyards to regulate discharges of pollutants to state waters from boatyard construction, maintenance and repair activities
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Bridge Washing GP
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General Permit for bridge washing - DOT, counties, cities, etc
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CAFO GP Combined
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General permit issued to regulate operators of concentrated animal feeding operations that discharge to surface or groundwaters of the state.
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CAFO GP State Only
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General permit issued to regulate operators of concentrated animal feeding operations that only discharge to groundwaters of the state.
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CAFO NPDES IP
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This applies to individual NPDES permits we issue to AFO/CAFOs.
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Construction SW GP
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General permit issued to owner/operators of construction projects that disturb 1 or more acres of land through clearing, grading, excavating, or stockpiling of fill material that discharge stormwater to state waters.
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Fruit Packer GP
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General permit issued to fruit packers to regulate discharges of process wastewater and stormwater to state waters.
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Industrial (IU) to POTW/PRIVATE SWDP IP
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Industrial state waste discharge permit for facility that discharges pretreated wastwater to a publicly owned treatment works (POTW) also called an industrial user (IU) or to a Private (some industries discharge to other industries for treatment). Old FS Code: INDUSTPOTWSWDP
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Industrial NPDES IP
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Individual NPDES issued to industries to regulate discharges of process wastewater to surface waters.
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Industrial Reuse
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industrial reuse permit as required by Chapters 90.46 RCW and 90.48 RCW and applies to industrial reuse water as well as to agricultural industrial process water.
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Industrial Reuse
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Industrial Reuse
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Industrial SW GP
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General permit issued to industries to regulate the discharge of contaminated stormwater to state waters.
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Industrial to ground SWDP IP
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Industrial to ground SWDP IP
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Marijuana Growers
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Marijuana Growers – This interaction is used for marijuana growers that fill out the checklist Ecology provides when they call and ask whether they will need a permit.
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Municipal NPDES IP
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Individual NPDES permits issued to municipalities and other public entities to regulate discharges of treated domestic wastewater to surface waters.
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Municipal SW Phase I GP
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General permit issued to municipalities with populations greater than 100,000 to regulate stormwater discharges from municipal stormwater collections systems to state waters.
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Municipal SW Phase II Eastern WA GP
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General permit issued to all operators of regulated small municipal stormwater collection systems to regulate stormwater discharges to state waters in eastern WA.
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Municipal SW Phase II Western WA GP
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General permit issued to operators of small municipal stormwater collection systems to regulate stormwater discharges to state waters in western WA.
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Municipal to ground SWDP IP
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Municipal to ground SWDP IP
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Net Pens NPDES IP
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– In water structures that raise or hold fish. This separates these facilities from upland hatchery/fish rearing structures. They will all have NPDES permit. Some are in fresh water and some marine, but all will be located in a waterbody, not on land.
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Non Point
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Non Point
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Puget Sound Nutrient GP
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A secondary permit for existing municipal NPDES IP holders that covers nutrient discharges, only
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Reclaimed Water IP
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Individual permit issued to a generator of reclaimed water that regulates the location, the rate, the quality , and the purpose of use of the reclaimed water.
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Sand and Gravel GP
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General permit issued to sand and gravel mining operators to regulate the discharge of pollutants to state waters.
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Tributary Wastewater Collection System
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Future General permit to be issued to operators of tributary domestic wastewater collection systems not regulated under an individual permit.
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Upland Fish Hatchery GP
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General permit issued to operators of upland fin-fish hatching and rearing operations to regulate discharges to state waters
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Vessel Deconstruction GP
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Vessel Deconstruction GP
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Water Treatment Plant GP
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General permit issued to water treatment plants to regulate the discharge of backwash (generated during potable water production) to state waters.
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Winery GP
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General permit issued to regulate wineries that discharge process wastewater to state waters.
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WSDOT Municipal SW GP
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General permit issues to the WA State Department of Transportation to regulate its discharge of stormwater (runoff from state highways, rest areas, park and ride lots, ferry terminals, and maintenance facilities) to state waters.
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