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<br />Phase 2:
<br />Reconnaissance Investigations
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<br />Phase 2:
<br />Reconnaissance Investigations
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<br />Reconnaissance investigations have been completed for 26
<br />sites identified in 1989. Reconnaissance investigations were
<br />funded for up to 2 years to investigate and determine levels
<br />of Jot entia I toxic chemicals m water, sediment, plants, fish,
<br />an aquatic birds, and ,f those contommants were at a level
<br />that could potentially caUSe mJury to fish or wildlife resaurces.
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<br />The following areas were selected far reconnaissance
<br />investigations:
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<br />American Falls Reservoir, ID
<br />Angostura Reclamation Unit, SD
<br />Belle Fourche Reclamation Unit, SD
<br />Columbia Basin Project, WA
<br />Dolores Project, CO .
<br />Gunnison/Uncompahgre Rivers, CO
<br />Humboldt Wildlife Management Area, NV
<br />Kendrick Reclamation Project Area, WY
<br />Klamath Basin National Wildlife Refuge Complex, CAlOR
<br />Lower Colorado/Gila River Valley, AZ/CA "
<br />Lower Rio Grande/Laguna Atascosa NatIOnal Wildlife
<br />Refuge, TX
<br />Malheur National Wildlife Refuge, OR
<br />Middle Arkansas River, CO/KS
<br />Middle Green River, UT
<br />Middle Rio Grande/Bosque del Apache National
<br />Wildlife Refuge, NM
<br />Milk River, MT
<br />Owyhee-Vale Projects, ID/OR
<br />Pine River, CO
<br />Riverton Reclamation Project, WY
<br />Sacramento National Wilalife Refuge Complex, CA
<br />Salton Sea, CA
<br />San Juan River, NM
<br />Stillwater National Wildlife Refuge, NV
<br />Sun River, M T
<br />Tulare Lake Bed, CA
<br />Vermejo Project, NM
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<br />Since 1989 field screening investigations have been initiated
<br />for nine additional sites. Field screening studies are similar
<br />to reconnaissance investigations but ar'e limited to 1 year of
<br />data collection.
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<br />The following areas were selected for field screening studies:
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<br />Dolores/Mancos, CO
<br />Emery/Scofield, UT
<br />Helena Valley, M T
<br />Indian Lakes, NV
<br />North Platte River, NE
<br />Uintah/Ouray, UT
<br />Walker River, NV
<br />Wind River, WY
<br />Yuma Valley, AZ
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<br />None of these field screening study areas have warranted
<br />further study.
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<br />Aerial view of irrigation drainage flowing into the Salton
<br />Sea in Southern California.
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