Stream Redesignation Evaluation Report
Water Quality Standards Review

Frya Run
Northampton County

Segment: Basin
Drainage list: E
Stream code: 03327

TABLE 7
RBP METRIC COMPARISON
FRYA RUN

  METRIC STATION*
1FR
STATION*
2FR
STATION*
R1
STATION*
R2
1. TAXA RICHNESS
13
11
17
16
  Cand/Ref  (%)
76
69
***
***
  Biol. Cond. Score
4
2
6
6
   
 
 
 
 
2. MOD. EPT INDEX
6
3
11
6
  Cand/Ref  (%)
54
50
***
***
  Biol. Cond. Score
2
2
6
6
   
 
 
 
 
3. MOD. HBI
3.7
4.4
3.1
1.7
  Cand-Ref
0.6
2.7
***
***
  Biol. Cond. Score
6
0
6
6
   
 
 
 
 
4. % DOMINANT TAXA
31
47
24
32
  Cand-Ref
7
15
***
***
  Biol. Cond. Score
6
4
6
6
   
 
 
 
 
5. % MOD. MAYFLYS
36
25
32
55
  Ref-Cand
-4
30
***
***
  Biol. Cond. Score
6
2
6
6
   
 
 
 
 
TOTAL BIOLOGICAL
CONDITION SCORE
24
10
30
30
% COMPARABILITY
TO REFERENCE
80
33
 
 
* Station 1FR compared to R1 and 2FR compared to R2


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