Clean Lakes Program: Sawmill - Kosciusko County

 

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Indiana Clean Lakes Program Lake Report

Sawmill

 

Kosciusko County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-08-21
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
1990
7.9
1.1
29
15.5
72
7.7
7.2
450
430
172.2
242.5
0.01
0.136
0.047
0.159
1.393
0.736
0.082
4.155
1.208
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)
23
23
23
22.5
20
15
11.5
DO (mg/L)
6.1
6.2
5.8
4
0.2
0.1
0
                                                                           
% Water Column Oxic: 71
 
Blue-Green Dominance (% of NU): 90
 
          Carlson TSI: 60
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 25290   Greens (#/L): 1212   Diatoms (#/L): 913   Other Algae (#/L): 378   Rotifers (#/L): 165   Zooplankton (#/L): 0
 
 

1994

         
Sample Location: Deep Hole
Sample Date: 1994-08-09
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
1994
7.9
0.8
13
11
88
8.2
7.4
390
440
152.5
253.5
0.01
0.246
0.01
0.336
15.22
0.022
0.022
0.033
2.947
0.911
2.843
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
24
24
24
24
23.5
20
16
13
DO (mg/L)
7.4
7.3
7.4
7.3
4
0.7
0.2
0.1
0.1
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 44
 
          Carlson TSI: 52
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 8343   Greens (#/L): 3989   Diatoms (#/L): 4222   Other Algae (#/L): 1429   Rotifers (#/L): 0   Zooplankton (#/L): 923
 
 

1998

         
Sample Location: Deep Hole
Sample Date: 1998-07-06
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
1998
7.9
1.9
32
15
121
8.4
7.5
420
370
176
241.8
0.01
0.112
0.06
0.17
15.05
0.348
0.022
0.022
1.525
0.661
2.135
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
26
25.2
24.7
23
20.5
15
11
DO (mg/L)
10.2
10.4
9.8
9.1
5.3
1.1
0.1
0.1
                                                                           
% Water Column Oxic: 66.7
 
Blue-Green Dominance (% of NU): 88
 
          Carlson TSI: 57
                    Indiana TSI: 29
                                                                           
Blue-Greens (#/L): 12753   Greens (#/L): 840   Diatoms (#/L): 291   Other Algae (#/L): 377   Rotifers (#/L): 103   Zooplankton (#/L): 55
 
 

1999

         
Sample Location: Deep Hole
Sample Date: 1999-08-11
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
1999
7.6
1.6
30
13
110
7.2
6.8
396
394
148
206
0.025
0.294
0.058
0.369
8.89
0.013
0.013
0.018
1.888
0.849
1.255
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)
26.6
25.6
25.2
25.1
24.9
24.3
21.9
13.9
11.8
DO (mg/L)
9
9.2
9
7.8
5.8
2.8
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 57
 
Blue-Green Dominance (% of NU): 47.2
 
          Carlson TSI: 56
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 1286   Greens (#/L): 386   Diatoms (#/L): 373   Other Algae (#/L): 566   Rotifers (#/L): 77   Zooplankton (#/L): 35.1
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-08-18
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
2003
7.32
0.9
32
11
144
8.7
7.5
393.7
509
151
240
0.011
0.187
0.03
0.218
0.013
0.013
0.018
2.143
0.966
3.143
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)
28.9
28
27.5
27.1
25.3
23.3
18.9
14.2
DO (mg/L)
11.3
11.7
11.3
10.4
3.6
1.1
0.5
0.4
                                                                           
% Water Column Oxic: 41
 
Blue-Green Dominance (% of NU): 88
 
          Carlson TSI: 58
                    Indiana TSI: 53
                                                                           
Blue-Greens (#/L): 84293   Greens (#/L): 1237   Diatoms (#/L): 6368   Other Algae (#/L): 3207   Rotifers (#/L): 779   Zooplankton (#/L): 40.1
 
 

2010

         
Sample Location: Deep Hole
Sample Date: 2010-08-02
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
7.3
1.2
8.9
12.3
124.6
8.5
7.3
408
378
162
260
0.01
0.024
0.028
0.063
8.68
0.013
0.013
0.024
2.583
0.886
3.744
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)
29.2
28.6
28.2
27.6
26.8
25.2
16.4
11.5
9.9
DO (mg/L)
9.7
9.8
9.7
9.1
5.3
0.5
0
0
0
                                                                           
% Water Column Oxic: 41
 
Blue-Green Dominance (% of NU): 96.7
 
Blue-Green Dominance (% of cells): 88.72
          Carlson TSI: 54
                    Indiana TSI: 59
                                                                           
Blue-Greens (#/L): 8559860   Greens (#/L): 184263   Diatoms (#/L): 787306   Other Algae (#/L): 117258   Rotifers (#/L): 0   Zooplankton (#/L): 1.5
Blue-Greens (cells/L): 90401   Greens (cells/L): 2161   Diatoms (cells/L): 787   Other Algae (cells/L): 117   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)