Clean Lakes Program: Marsh - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Marsh

 

Steuben County

1992

         
Sample Location: Deep Hole
Sample Date: 1992-08-24
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
11.6
2.2
27
9.75
135.23
8.2
8.2
610
510
219
248
0.01
0.046
0.023
0.031
1.113
1.035
0.039
1.35
0.382
0.23
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)
24.2
23.9
23
21.5
19.9
18.2
15.7
11.5
9.2
8.1
DO (mg/L)
10.5
10.6
11.6
14.8
3.9
0.02
0.01
0.01
0.01
                                                                           
% Water Column Oxic: 35.3
 
Blue-Green Dominance (% of NU): 4
 
          Carlson TSI: 49
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 9116   Greens (#/L): 7231   Diatoms (#/L): 1572   Other Algae (#/L): 200574   Rotifers (#/L): 1336   Zooplankton (#/L): 0
 
 

1997

         
Sample Location: Deep Hole
Sample Date: 1997-07-28
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
1997
11.6
2.2
25
13
177.3
8.4
7.59
740
490
236
270.8
0.01
0.244
0.048
0.291
3.11
0.103
0.032
0.018
1.03
0.493
1.579
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
28.2
26.8
25.4
23
20.2
17
14
12
11.1
10.4
DO (mg/L)
10
10
14.2
17.2
11.6
5.1
0.3
0
0
0
0
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 94
 
          Carlson TSI: 50
                    Indiana TSI: 49
                                                                           
Blue-Greens (#/L): 185284   Greens (#/L): 539   Diatoms (#/L): 754   Other Algae (#/L): 9375   Rotifers (#/L): 700   Zooplankton (#/L): 48
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-07-08
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
2002
11.6
4.1
44
21
99.4
8.15
7.7
760
411
195
257
0.01
0.056
0.027
0.09
0.05
0.369
0.025
0.028
0.749
0.502
1.252
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)
27.2
27
26.5
25.9
23.7
18.7
14.4
12.2
10.3
9.3
DO (mg/L)
8.3
8.3
8.1
8.2
9.2
5.5
0.7
0.5
0.3
0.3
                                                                           
% Water Column Oxic: 45.5
 
Blue-Green Dominance (% of NU): 3
 
          Carlson TSI: 31
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 133   Greens (#/L): 217   Diatoms (#/L): 200   Other Algae (#/L): 3581   Rotifers (#/L): 50   Zooplankton (#/L): 17.9
 
 

2009

         
Sample Location: Deep Hole
Sample Date: 2009-07-06
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
2009
9.45
2.2
15.74
10.82
114.6
8.3
7.6
577
364.8
242
203
0.01
0.048
0.011
0.082
17.66
0.699
0.443
0.018
0.294
0.718
1.015
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)
22.5
22.4
22.2
21
20
18.2
15.6
11.7
10.5
9.1
8.6
DO (mg/L)
9.7
9.6
10.1
11.8
7.7
1.7
0.2
0
0
0
0
                                                                           
% Water Column Oxic: 31.74
 
Blue-Green Dominance (% of NU): 90.6
 
          Carlson TSI: 49
                    Indiana TSI: 39
                                                                           
Blue-Greens (#/L): 117122   Greens (#/L): 1365   Diatoms (#/L): 2321   Other Algae (#/L): 137   Rotifers (#/L): 8327   Zooplankton (#/L): 8.8
 
 

2015

         
Sample Location: deep hole
Sample Date: 2015-07-20
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
2015
12
2
12.1
11.152
8
7.7
691
886
233
274
0.01
0.102
0.019
0.172
6.76
0.013
0.022
0.018
1.248
1.319
2.013
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)
25.1
24.96
22.16
19.78
17.73
14.54
12.33
10.39
9.46
8.98
8.67
8.28
DO (mg/L)
7.44
7.36
6.04
2.34
0.65
0.2
0.19
0.16
0.13
0.14
0.17
0.15
                                                                           
% Water Column Oxic: 25
 
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 56
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L):   Other Algae (cells/L):   Rotifers (cells/L):   Zooplankton (cells/L):
 
 

 

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)