Application of the Montana Nonpoint Source Stream Reach Assessment 



Impairment Values 



87 - 100% = Non-impaired 



80 - 86% = Non-impaired, but Threatened 



71 - 79% = Minor Impainnent 



55 - 70% = Moderate Impairment 



- 54% = Severe Impairment 



Flathead Basin Cooperative Program Final Report 



Page 75 



