Stream Redesignation Evaluation Report
Water Quality Standards Review

Little Bush Kill, Pike County
RBP Metric Comparison
August 5, 1997

Table 7
METRIC

STATION
1LB1 2LB1 3LB2 4LB2 5UNT1 6LB2 R1 R2
1. TAXA RICHNESS 25 17 20 26 23 29 31 24
Cand/Ref (%) 81 55 83 108 74 121 *** ***
Biol. Cond. Score 6 0 6 6 4 6 6 6
2. MOD. EPT INDEX 11 6 8 15 12 14 16 15
Cand/Ref (%) 69 38 53 100 75 93 *** ***
Biol. Cond. Score 4 0 2 6 4 6 6 6
3. MOD. HBI 3.3 4.3 4.5 2.8 301 3.2 3.5 3.3
Cand-Ref -0.2 -8 1.2 -0.5 -0.4 -0.1 *** ***
Biol. Cond. Score 6 4 2 6 6 6 6 6
4. % DOMINANT TAXA 18 36 27 16 17 21 21 25
Cand-Ref -3 15 2 -9 -4 -4 *** ***
Biol. Cond. Score 6 4 6 6 6 6 6 6
5. % MOD. MAYFLYS 6 5 3 4 0 17 9 14
Ref-Cand 3 4 11 10 9 -3 *** ***
Biol. Cond. Score 6 6 6 6 6 6 6 6
TOTAL BIOLOGICAL
CONDITION SCORE		 28 14 22 30 26 30 30 30
% COMPARABILITY
TO REFERENCE		 93 47 73 100 87 100    
1 - Candidate station compared to R1 reference station
2 - Candidate station compared to R2 reference station


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