Clean Lakes Program: Bryants Creek - Monroe County

 

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Indiana Clean Lakes Program Lake Report

Bryants Creek

 

Monroe County

1992

         
Sample Location: Deep Hole
Sample Date: 1992-06-30
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1992
6.1
3.6
58
12.5
92.7
7.4
7.1
200
209
73
80
0.01
0.01
0.046
0.062
0.072
0.072
0.018
0.036
0.449
0.838
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
25
24.1
24.1
21.3
17
DO (mg/L)
8.1
8
7.5
2.8
0.2
                                                                           
% Water Column Oxic: 88.9
 
Blue-Green Dominance (% of NU): 4
 
          Carlson TSI: 51
                    Indiana TSI: 7
                                                                           
Blue-Greens (#/L): 226   Greens (#/L): 395   Diatoms (#/L): 113   Other Algae (#/L): 4738   Rotifers (#/L): 119   Zooplankton (#/L): 0
 
 

1996

         
Sample Location: Deep Hole
Sample Date: 1996-08-19
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1996
6.1
3.2
25.7
12
104.15
8.99
8.29
48.9
51.1
0.01
0.01
0.021
0.023
0.99
0.046
0.046
0.018
0.018
0.23
0.283
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
28.2
26.9
26.9
26.4
25.8
24.7
DO (mg/L)
9.8
8.4
8.3
7.9
3.7
0.4
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 70
 
          Carlson TSI: 40
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 11604   Greens (#/L): 725   Diatoms (#/L): 725   Other Algae (#/L): 2256   Rotifers (#/L): 1289   Zooplankton (#/L): 38
 
 

2001

         
Sample Location: Deep Hole
Sample Date: 2001-08-20
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2001
6.1
2
36
12
98.6
8.35
7.2
200
205
68
92
0.01
0.01
0.019
0.074
0.79
0.013
0.013
0.018
0.35
0.507
1.405
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27.3
26.2
26
25.8
25.4
24.8
19
DO (mg/L)
8.32
8.02
7.98
7.74
6.45
4.26
0.74
                                                                           
% Water Column Oxic: 80
 
Blue-Green Dominance (% of NU): 89
 
          Carlson TSI: 42
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 5907   Greens (#/L): 196   Diatoms (#/L): 117   Other Algae (#/L): 300   Rotifers (#/L): 117   Zooplankton (#/L): 37.4
 
 

2005

         
Sample Location: Deep Hole
Sample Date: 2005-08-18
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2005
4.3
3.1
20
10.8
95
8.4
8.4
189
64.3
84
0.01
0.017
2.05
0.013
0.018
0.357
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27.6
27.6
27.6
27.6
26.7
DO (mg/L)
7.5
7.7
7.5
6.3
1.7
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 44
 
          Carlson TSI: 42
                    Indiana TSI: 4
                                                                           
Blue-Greens (#/L): 182   Greens (#/L): 101   Diatoms (#/L): 20   Other Algae (#/L): 40   Rotifers (#/L): 20   Zooplankton (#/L): 49.2
 
 

2010

         
Sample Location: Deep Hole
Sample Date: 2010-06-22
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2010
4
2
14.9
13.1
123
8.1
8
207
192
79
79
0.01
0.01
0.01
0.01
0.013
0.013
0.026
0.036
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
26.2
26.2
23.8
22.5
19.8
DO (mg/L)
10.7
10.8
10.2
8.5
5.7
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 93.3
 
Blue-Green Dominance (% of cells): 77.8
          Carlson TSI: 44
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 29764   Greens (#/L): 85   Diatoms (#/L): 85   Other Algae (#/L): 5273   Rotifers (#/L): 2959   Zooplankton (#/L): 69.8
Blue-Greens (cells/L): 476   Greens (cells/L): 0   Diatoms (cells/L): 1   Other Algae (cells/L): 5   Rotifers (cells/L): 28   Zooplankton (cells/L): 1
 
 

2012

         
Sample Location: Deep Hole
Sample Date: 2012-07-17
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2012
4
2.75
21.1
11.5
45.8
7.6
180
190
65
0.01
0.024
3.65
0.025
0.0095
0.444
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
30.1
29.9
29.7
29.6
28.9
DO (mg/L)
3.39
3.47
3.46
3.32
1.05
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 24.3
 
Blue-Green Dominance (% of cells): 34.8
          Carlson TSI: 46
                   
                                                                           
Blue-Greens (#/L): 44276   Greens (#/L): 73084   Diatoms (#/L): 4801   Other Algae (#/L): 4801   Rotifers (#/L): 24   Zooplankton (#/L): 134
Blue-Greens (cells/L): 582   Greens (cells/L): 1800   Diatoms (cells/L): 5   Other Algae (cells/L): 6   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

 

In 2011 CLP changed plankton sampling methods, thus the Indiana TSI is no longer calculated.
Epi
Epilimnion
Alk
Alkalinity (mg CaCO3/L)
DO
Dissolved Oxygen (mg/L)
NH3
Ammonia (mg-N/L)
SRP
Soluable Reactive Phosphorus (mg-P/L)
Hypo
Hypolimnion
Chl-a
Chlorophyll-a (ug/L)
Light 3'
Percent light penetration at 3ft
NO3
Nitrate (mg-N/L)
TP
Total Phosphorus (mg-P/L)
   
Cond
Conductivity
1% Light Level
Depth of the 1% light level (ft)
TKN
Total Kjeldahl Nitrogen (mg-N/L)
Temp
Temperature (oC)