Table 35. Selected Alaska Water Quality Standards 



Beneficial use 



Parameter Water supply Aquatic life Recreation 



Dissolved oxygen >75% saturation >7 mg/ft >5 mg/S- 



(mg/il) or >5 mg/H 



Temperature <I8''C over <2.2 °C over 



(°C) natural, no changes 



if natural ly <I8''C 



Dissolved solids <500 mg/X. Avoid chronic 



(mg/d or )imhos/cm) (=800 nmhos/cm) toxicity 

 specific conductance) 



Turbidity <5 JTU <25 JTU except <25 JTU except 



(JTU) when natural when natural 



degradation degradation 



Suspended solids 80 mg/d 

 (mg/S,) 



Not an Alaska Standard, but 80 mg/)l is considered potentially hazardous; 

 25-80 mg/i!. also has potentially detrimental effect on aquatic life 

 (National Academy of Sciences 1973). 



274 



