Clean Lakes Program: Center - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Center

  

Steuben County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-07-17
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
1989
5.8
0.6
7
4.8
88
8.7
7.1
600
580
149.5
173.5
0.108
0.628
0.198
0.647
0.709
0.891
0.249
4.014
1.603
5.974
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
22.9
21.3
16.5
14.5
DO (mg/L)
12.6
2.2
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 40
  
Blue-Green Dominance (% of NU): 4
  
          Carlson TSI: 74
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 254   Greens (#/L): 0   Diatoms (#/L): 1884   Other Algae (#/L): 3641   Rotifers (#/L): 1455   Zooplankton (#/L): 0
 
 

1992

          
Sample Location: Deep Hole
Sample Date: 1992-07-20
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
1992
5.8
0.4
2
4
39.39
8.1
6.9
590
600
146
211
0.01
0.636
0.172
0.8
0.689
7.928
0.025
0.434
5.719
9.078
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
23
22.1
22
20.2
17
14.8
DO (mg/L)
7.8
3.3
1.1
0.1
0
0
0
                                                                           
% Water Column Oxic: 25.9
  
Blue-Green Dominance (% of NU): 78
  
          Carlson TSI: 76
                    Indiana TSI: 44
                                                                           
Blue-Greens (#/L): 22112   Greens (#/L): 357   Diatoms (#/L): 713   Other Algae (#/L): 0   Rotifers (#/L): 5225   Zooplankton (#/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)