The Hilsenhoff Biotic Index value was 3.994 and the Shannon Diversity Index value was 1.924.
12.
The Hilsenhoff Biotic Index ( HBI ) has been measured for a number of sites along Nescopeck Creek and its tributaries.
13.
The modified Hilsenhoff Biotic Index value of Spring Brook a short distance upstream of the Watres Reservoir is 2.56.
14.
The Hilsenhoff Biotic Index is a method of determining water quality based on the presence of macroinvertebrate families and their tolerance to pollution.
15.
Downstream of the reservoir, the modified Hilsenhoff Biotic Index value is 3.1 and the modified EPT Index value is 17.
16.
Thus, a lack of species diversity and low biotic index scores of inhabitant macroinvertebrates may be an indicator of poor water quality.
17.
The modified Hilsenhoff Biotic Index value of the creek is 2.11 in its lower reaches and 2.42 in its middle reaches.
18.
In the lower reaches of the creek, downstream of Painter Run, its Hilsenhoff Biotic Index is between 2.6 and 3.5.
19.
Between Shingle Mill Run and Painter Run, West Branch Fishing Creek's Hilsenhoff Biotic Index is between 1.6 and 2.5.
20.
The modified Hilsenhoff Biotic Index value of Roaring Brook upstream of the Hollister Reservoir is 3.25 and the modified EPT Index value is 12.
