Clean Lakes Program: Eagle Creek Reservoir - Marion County

 

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Indiana Clean Lakes Program Lake Report

Eagle Creek Reservoir

 

Marion County

1991

         
Sample Location: Deep Hole
Sample Date: 1991-08-21
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
1991
13.7
0.8
16
8
84.3
8.6
7.3
389
450
117
215
0.01
0.408
0.083
0.817
0.631
0.629
0.025
3.911
1.779
6.08
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
24.5
24
24
24
24
24
24
23
19
16
14.5
13.5
13
13
13
13
DO (mg/L)
10.1
9.5
7.1
6.7
6
5.8
5.9
4.7
0.2
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 45
 
Blue-Green Dominance (% of NU): 90
 
          Carlson TSI: 66
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 3574   Greens (#/L): 15   Diatoms (#/L): 310   Other Algae (#/L): 0   Rotifers (#/L):   Zooplankton (#/L): 93
 
 

1995

         
Sample Location: Deep Hole
Sample Date: 1995-08-22
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
1995
12.2
0.5
9.5
5.5
144.2
9.25
7.3
400
500
86
202.5
0.01
0.216
0.061
0.288
13.56
0.366
0.022
0.018
2.848
1.16
3.655
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)
30
30
30
29.8
29.6
29.6
27.8
22.8
20
18
17
16.2
16
15.5
DO (mg/L)
11
10.9
10.9
10.7
10
10.8
8
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 59.3
 
Blue-Green Dominance (% of NU): 27
 
          Carlson TSI: 63
                    Indiana TSI: 29
                                                                           
Blue-Greens (#/L): 1430   Greens (#/L): 524   Diatoms (#/L): 121   Other Algae (#/L): 302   Rotifers (#/L): 2880   Zooplankton (#/L): 48.1
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-08-14
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
12.2
1.1
22
9
90.8
8.1
7.3
380
355
120
177
0.01
0.26
0.062
0.368
1.91
1.023
0.013
0.066
2.614
1.012
2.849
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)
26.2
26.2
26.2
26.2
26
25.8
25.3
23.8
19.6
17.2
15.7
15.2
14.6
14
DO (mg/L)
7.4
7.3
7.3
7.3
5
3.3
1.1
0.4
0.3
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 40
 
Blue-Green Dominance (% of NU): 25
 
          Carlson TSI: 53
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 137   Greens (#/L): 0   Diatoms (#/L): 106   Other Algae (#/L): 76   Rotifers (#/L): 228   Zooplankton (#/L): 10.7
 
 

2010

         
Sample Location: Deep Hole
Sample Date: 2010-07-28
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
2010
13.7
0.8
5.5
7.2
128.5
8.8
7.5
340
450
113
194
0.01
0.412
0.037
0.553
6.46
0.256
0.013
0.034
2.301
0.82
2.828
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)
29.3
29.4
29.3
28.6
28.3
27.8
27.1
25.6
24
25.6
21.4
20.4
18.5
15.8
DO (mg/L)
10.6
10.3
10.6
8.3
5.8
0.83
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 22
 
Blue-Green Dominance (% of NU): 97.9
 
Blue-Green Dominance (% of cells): 78.48
          Carlson TSI: 56
                    Indiana TSI: 65
                                                                           
Blue-Greens (#/L): 14392422   Greens (#/L): 49743   Diatoms (#/L): 3863404   Other Algae (#/L): 33162   Rotifers (#/L): 0   Zooplankton (#/L): 5.3
Blue-Greens (cells/L): 197727   Greens (cells/L): 66325   Diatoms (cells/L): 3863   Other Algae (cells/L): 17   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)