Clean Lakes Program: Walters - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Walters

 

Steuben County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-10
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
8.8
1.5
20
7
47
6.6
6.6
410
320
212
246
0.024
0.337
0.097
0.367
0.411
0.467
0.22
1.966
2.258
3.609
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
23
18
14
11.8
10
9
DO (mg/L)
6.5
1.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 28.6
 
Blue-Green Dominance (% of NU): 27
 
          Carlson TSI: 62
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 2284   Greens (#/L): 84   Diatoms (#/L): 0   Other Algae (#/L): 6064   Rotifers (#/L): 57   Zooplankton (#/L): 0
 
 

1992

         
Sample Location: Deep Hole
Sample Date: 1992-08-03
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
8.8
2.8
32
14
81.47
7.5
7
360
360
179
227
0.01
0.167
0.029
0.137
0.087
0.103
0.035
1.166
0.97
0.377
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)
23.7
21.5
21.2
20.8
20
18.3
12.9
9.5
8
DO (mg/L)
7.7
7.7
7.1
5.3
2.9
0.3
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 52.6
 
Blue-Green Dominance (% of NU): 1
 
          Carlson TSI: 49
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 437   Greens (#/L): 5119   Diatoms (#/L): 1852   Other Algae (#/L): 22274   Rotifers (#/L): 1982   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)