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Legend (Water_Quality/Impaired_Waters_2012)

State 2012 assessed mid points (1)
State 2012 assessed streams (2)
<all other values> <all other values>
Bodega HU, Estero Americano HA, Americano Creek; Bodega HU, Estero de San Antonio HA, Stemple Creek/Estero de San Antonio; Cape Mendocino HU, Mattole River HA, Mattole River; Eel River HU, Middle Main HA; Eel River HU, North Fork HA, Lower North Fork Eel River Watershed; Mad River HU, Mad River; Mendocino Coast HU, Gualala River HA, Gualala River; Mendocino Coast HU, Noyo River HA, Noyo River; Mendocino Coast HU, Noyo River HA, Pudding Creek; Russian River HU, Middle Russian River HA, Big Sulphur Creek HSA; Russian River HU, Upper Russian River HA, Ukiah HSA; Trinity River HU, Middle HA Bodega HU, Estero Americano HA, Americano Creek; Bodega HU, Estero de San Antonio HA, Stemple Creek/Estero de San Antonio; Cape Mendocino HU, Mattole River HA, Mattole River; Eel River HU, Middle Main HA; Eel River HU, North Fork HA, Lower North Fork Eel River Watershed; Mad River HU, Mad River; Mendocino Coast HU, Gualala River HA, Gualala River; Mendocino Coast HU, Noyo River HA, Noyo River; Mendocino Coast HU, Noyo River HA, Pudding Creek; Russian River HU, Middle Russian River HA, Big Sulphur Creek HSA; Russian River HU, Upper Russian River HA, Ukiah HSA; Trinity River HU, Middle HA
Bodega HU, Salmon Creek HA; Eel River HU, Middle Fork HA, Wilderness and Black Butte HSAs; Eel River HU, North Fork HA, Upper North Fork Eel River Watershed; Eel River HU, Van Duzen River HA; Eureka Plain HU, Jacoby Creek watershed; Eureka Plain HU, Salmon Creek; Klamath River HU, Butte Valley HA; Klamath River HU, Lost River HA, Tule Lake and Mt Dome HSAs; Klamath River HU, Middle HA, Oregon to Iron Gate; Klamath River HU, Salmon River HA; Klamath River HU, Salmon River HA, Wooley Creek HSA; Mendocino Coast HU, Albion River HA, Big Salmon Creek; Mendocino Coast HU, Albion River HA, Little River; Mendocino Coast HU, Big River HA, Berry Gulch; Mendocino Coast HU, Point Arena HA, Greenwood Creek HSA; Mendocino Coast HU, Rockport HA, Ten Mile River HSA; Mendocino Coast HU, Rockport HA, Usal Creek HSA; Mendocino Coast HU, Rockport HA, Wages Creek HSA, Wages Creek; Russian River HU, Lower Russian River HA, Guerneville HSA; Russian River HU, Lower Russian River HA, Guerneville HSA, Green Valley Creek watershed; Russian River HU, Middle Russian River HA, Laguna de Santa Rosa; Russian River HU, Middle Russian River HA, Santa Rosa Creek; Smith River HU, Smith River watershed; Trinidad HU, Little River HA; Trinity River HU, Lower Trinity HA; Trinity River HU, Upper HA, Trinity River, East Fork; Winchuck River HU, Winchuck River Bodega HU, Salmon Creek HA; Eel River HU, Middle Fork HA, Wilderness and Black Butte HSAs; Eel River HU, North Fork HA, Upper North Fork Eel River Watershed; Eel River HU, Van Duzen River HA; Eureka Plain HU, Jacoby Creek watershed; Eureka Plain HU, Salmon Creek; Klamath River HU, Butte Valley HA; Klamath River HU, Lost River HA, Tule Lake and Mt Dome HSAs; Klamath River HU, Middle HA, Oregon to Iron Gate; Klamath River HU, Salmon River HA; Klamath River HU, Salmon River HA, Wooley Creek HSA; Mendocino Coast HU, Albion River HA, Big Salmon Creek; Mendocino Coast HU, Albion River HA, Little River; Mendocino Coast HU, Big River HA, Berry Gulch; Mendocino Coast HU, Point Arena HA, Greenwood Creek HSA; Mendocino Coast HU, Rockport HA, Ten Mile River HSA; Mendocino Coast HU, Rockport HA, Usal Creek HSA; Mendocino Coast HU, Rockport HA, Wages Creek HSA, Wages Creek; Russian River HU, Lower Russian River HA, Guerneville HSA; Russian River HU, Lower Russian River HA, Guerneville HSA, Green Valley Creek watershed; Russian River HU, Middle Russian River HA, Laguna de Santa Rosa; Russian River HU, Middle Russian River HA, Santa Rosa Creek; Smith River HU, Smith River watershed; Trinidad HU, Little River HA; Trinity River HU, Lower Trinity HA; Trinity River HU, Upper HA, Trinity River, East Fork; Winchuck River HU, Winchuck River
Eel River HU, Lower Eel River HA, Eel River Delta; Eel River HU, Upper Main HA (Includes Tomki Creek); Klamath River HU, Lower HA, Klamath Glen HSA; Klamath River HU, Shasta River HA; Mendocino Coast HU, Garcia River HA, Garcia River; Mendocino Coast HU, Navarro River HA; Redwood Creek HU, Redwood Creek; Russian River HU, Middle Russian River HA, Geyserville HSA; Russian River HU, Upper Russian River HA, Coyote Valley HSA; Trinity River HU, Upper HA Eel River HU, Lower Eel River HA, Eel River Delta; Eel River HU, Upper Main HA (Includes Tomki Creek); Klamath River HU, Lower HA, Klamath Glen HSA; Klamath River HU, Shasta River HA; Mendocino Coast HU, Garcia River HA, Garcia River; Mendocino Coast HU, Navarro River HA; Redwood Creek HU, Redwood Creek; Russian River HU, Middle Russian River HA, Geyserville HSA; Russian River HU, Upper Russian River HA, Coyote Valley HSA; Trinity River HU, Upper HA
Eel River HU, Middle Fork HA, Eden Valley and Round Valley HSAs; Eureka Plain HU, Elk River; Klamath River HU, Lost River HA, Clear Lake, Boles HSAs; Klamath River HU, Middle HA, Iron Gate Dam to Scott River; Klamath River HU, Middle HA, Scott River to Trinity River; Mendocino Coast HU, Albion River HA, Albion River; Russian River HU, Lower Russian River HA, Austin Creek HSA; Russian River HU, Middle Russian River HA, Mark West Creek HSA Eel River HU, Middle Fork HA, Eden Valley and Round Valley HSAs; Eureka Plain HU, Elk River; Klamath River HU, Lost River HA, Clear Lake, Boles HSAs; Klamath River HU, Middle HA, Iron Gate Dam to Scott River; Klamath River HU, Middle HA, Scott River to Trinity River; Mendocino Coast HU, Albion River HA, Albion River; Russian River HU, Lower Russian River HA, Austin Creek HSA; Russian River HU, Middle Russian River HA, Mark West Creek HSA
Eel River HU, South Fork HA; Eureka Plain HU, Freshwater Creek; Klamath River HU, Scott River HA; Mendocino Coast HU, Big River HA, Big River; Mendocino Coast HU, Ten Mile River HSA, coastal tributaries; Russian River HU, Middle Russian River HA, Warm Springs HSA; Russian River HU, Upper Russian River HA, Forsythe Creek HSA; Trinity River HU, South Fork HA Eel River HU, South Fork HA; Eureka Plain HU, Freshwater Creek; Klamath River HU, Scott River HA; Mendocino Coast HU, Big River HA, Big River; Mendocino Coast HU, Ten Mile River HSA, coastal tributaries; Russian River HU, Middle Russian River HA, Warm Springs HSA; Russian River HU, Upper Russian River HA, Forsythe Creek HSA; Trinity River HU, South Fork HA
State 2012 assessed lakes/bays (3)
State 2012 303d impaired mid points (5)
State 2012 303d impaired streams (6)
<all other values> <all other values>
Bodega HU, Estero Americano HA, Americano Creek; Eel River HU, North Fork HA, Upper North Fork Eel River Watershed; Eureka Plain HU, Jacoby Creek watershed; Klamath River HU, Lost River HA, Tule Lake and Mt Dome HSAs; Mendocino Coast HU, Big River HA, Big River; Russian River HU, Middle Russian River HA, Warm Springs HSA; Russian River HU, Upper Russian River HA, Ukiah HSA; Trinity River HU, South Fork HA Bodega HU, Estero Americano HA, Americano Creek; Eel River HU, North Fork HA, Upper North Fork Eel River Watershed; Eureka Plain HU, Jacoby Creek watershed; Klamath River HU, Lost River HA, Tule Lake and Mt Dome HSAs; Mendocino Coast HU, Big River HA, Big River; Russian River HU, Middle Russian River HA, Warm Springs HSA; Russian River HU, Upper Russian River HA, Ukiah HSA; Trinity River HU, South Fork HA
Bodega HU, Estero de San Antonio HA, Stemple Creek/Estero de San Antonio; Eel River HU, Middle Fork HA, Wilderness and Black Butte HSAs; Eel River HU, Van Duzen River HA; Mad River HU, Mad River; Mendocino Coast HU, Gualala River HA, Gualala River; Mendocino Coast HU, Noyo River HA, Noyo River; Russian River HU, Lower Russian River HA, Guerneville HSA; Russian River HU, Middle Russian River HA, Santa Rosa Creek; Trinity River HU, Lower Trinity HA Bodega HU, Estero de San Antonio HA, Stemple Creek/Estero de San Antonio; Eel River HU, Middle Fork HA, Wilderness and Black Butte HSAs; Eel River HU, Van Duzen River HA; Mad River HU, Mad River; Mendocino Coast HU, Gualala River HA, Gualala River; Mendocino Coast HU, Noyo River HA, Noyo River; Russian River HU, Lower Russian River HA, Guerneville HSA; Russian River HU, Middle Russian River HA, Santa Rosa Creek; Trinity River HU, Lower Trinity HA
Cape Mendocino HU, Mattole River HA, Mattole River; Eel River HU, Lower Eel River HA, Eel River Delta; Eel River HU, North Fork HA, Lower North Fork Eel River Watershed; Eel River HU, Upper Main HA (Includes Tomki Creek); Eureka Plain HU, Freshwater Creek; Klamath River HU, Middle HA, Scott River to Trinity River; Klamath River HU, Salmon River HA, Wooley Creek HSA; Mendocino Coast HU, Navarro River HA; Russian River HU, Middle Russian River HA, Geyserville HSA; Russian River HU, Upper Russian River HA, Coyote Valley HSA; Trinity River HU, Upper HA Cape Mendocino HU, Mattole River HA, Mattole River; Eel River HU, Lower Eel River HA, Eel River Delta; Eel River HU, North Fork HA, Lower North Fork Eel River Watershed; Eel River HU, Upper Main HA (Includes Tomki Creek); Eureka Plain HU, Freshwater Creek; Klamath River HU, Middle HA, Scott River to Trinity River; Klamath River HU, Salmon River HA, Wooley Creek HSA; Mendocino Coast HU, Navarro River HA; Russian River HU, Middle Russian River HA, Geyserville HSA; Russian River HU, Upper Russian River HA, Coyote Valley HSA; Trinity River HU, Upper HA
Eel River HU, Middle Fork HA, Eden Valley and Round Valley HSAs; Eel River HU, South Fork HA; Klamath River HU, Butte Valley HA; Klamath River HU, Middle HA, Iron Gate Dam to Scott River; Klamath River HU, Salmon River HA; Klamath River HU, Scott River HA; Russian River HU, Lower Russian River HA, Guerneville HSA, Green Valley Creek watershed; Russian River HU, Middle Russian River HA, Big Sulphur Creek HSA; Russian River HU, Middle Russian River HA, Laguna de Santa Rosa; Russian River HU, Upper Russian River HA, Forsythe Creek HSA; Trinity River HU, Middle HA; Trinity River HU, Upper HA, Trinity River, East Fork Eel River HU, Middle Fork HA, Eden Valley and Round Valley HSAs; Eel River HU, South Fork HA; Klamath River HU, Butte Valley HA; Klamath River HU, Middle HA, Iron Gate Dam to Scott River; Klamath River HU, Salmon River HA; Klamath River HU, Scott River HA; Russian River HU, Lower Russian River HA, Guerneville HSA, Green Valley Creek watershed; Russian River HU, Middle Russian River HA, Big Sulphur Creek HSA; Russian River HU, Middle Russian River HA, Laguna de Santa Rosa; Russian River HU, Upper Russian River HA, Forsythe Creek HSA; Trinity River HU, Middle HA; Trinity River HU, Upper HA, Trinity River, East Fork
Eel River HU, Middle Main HA; Eureka Plain HU, Elk River; Klamath River HU, Middle HA, Oregon to Iron Gate; Mendocino Coast HU, Albion River HA, Albion River; Mendocino Coast HU, Garcia River HA, Garcia River; Mendocino Coast HU, Noyo River HA, Pudding Creek; Mendocino Coast HU, Rockport HA, Ten Mile River HSA; Redwood Creek HU, Redwood Creek; Russian River HU, Lower Russian River HA, Austin Creek HSA; Russian River HU, Middle Russian River HA, Mark West Creek HSA Eel River HU, Middle Main HA; Eureka Plain HU, Elk River; Klamath River HU, Middle HA, Oregon to Iron Gate; Mendocino Coast HU, Albion River HA, Albion River; Mendocino Coast HU, Garcia River HA, Garcia River; Mendocino Coast HU, Noyo River HA, Pudding Creek; Mendocino Coast HU, Rockport HA, Ten Mile River HSA; Redwood Creek HU, Redwood Creek; Russian River HU, Lower Russian River HA, Austin Creek HSA; Russian River HU, Middle Russian River HA, Mark West Creek HSA
State 2012 303d impaired lakes/bays (7)