Clean Lakes Program: Mud/Rock (Pleasant) - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Mud/Rock (Pleasant)

  

Steuben County

1992

          
Sample Location: Deep Hole
Sample Date: 1992-07-27
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
4.9
0.4
5
4.1
31.2
7.2
68
550
750
179
249.5
0.125
0.08
0.205
0.143
12.203
8.147
0.1
0.847
1.613
0.54
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)
24.5
18.9
18.1
17.9
17.5
16.9
13
DO (mg/L)
11.2
3.7
2.9
2.5
1.5
0.3
0.1
                                                                           
% Water Column Oxic: 73
  
Blue-Green Dominance (% of NU): 21
  
          Carlson TSI: 77
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 1536   Greens (#/L): 809   Diatoms (#/L): 404   Other Algae (#/L): 3396   Rotifers (#/L): 1334   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-08-04
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
4.57
1
15
6
70.6
8.25
7.29
800
710
264.8
282.2
0.01
0.01
0.13
0.07
77.58
1.78
1.92
0.018
0.436
2.1
1.8
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
22.5
20.3
19.7
18
13.5
DO (mg/L)
18.8
20
6.4
2
0.6
0.2
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 25
  
          Carlson TSI: 69
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 8536   Greens (#/L): 2572   Diatoms (#/L): 5905   Other Algae (#/L): 16312   Rotifers (#/L): 760   Zooplankton (#/L): 174.6
 
 

 

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)