STUDY NUMBER ; 8.1 



ORGANIZATION : Idaho Department of Health and Welfare (IDHW) 

 - Water Quality Bureau 



TITLE OF STUDY ; Clark Fork River/Lake Pend Oreille Water 

 guality Study 



CONTACTS ; Mike Beckwith, Idaho Division of Environment 

 (IDHW-DOE), Coeur d' Alene - (208) 667-3524 

 Ed Tulloch, Idaho Division of Environment (IDHW- 

 -DOE), Coeur d' Alene - (208) 667-3524 



OBJECTIVE; Define baseline flow, sediment, nutrient and 

 heavy metal contributions to Lake Pend Oreille by the Clark 

 Fork River; assess ambient limnological conditions within the 

 lake. 



DURATION ; July 1984 - ? 



CURRENT STATUS ; Sampling has been conducted at two river 

 stations--the Clark Fork River near its mouth at Cabinet 

 Gorge Dam (lake inlet) and the Pend Oreille River near Dover, 

 Idaho (lake outlet). Three lake stations have been sampled-- 

 within the Clark Fork River delta and at mid-points within 

 the southern and northern "arms." 



Sampling frequencies have been; 



River stations--weekly May-July and monthly during rest 



of year 

 Lake stations- -biweekly July-September and monthly 



during rest of year 



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