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2020 RL Secchi - Lake | 2020 RL Secchi - Elm Creek | 2020 RL Secchi - West Bay

| | | Rice Lake Secchi Readings for 2020 (Site 1 - Center of Lake) | |
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Reading

Date

Time

Air Temp

Water Temp

Secchi (Feet)

Physical Condition (PC)
1= Crystal Clear
2=Not Quite CC
3=Definite Algae green
4=High Algae Levels
5=Severely High Algae

Recreational Suitability (RS)
1=Beautiful
2=Very minor aesthetic problems
3=Swimming/aesthetic impaired
4=Desire to swim reduced
5=Swimming/Aesthetic impossible

Water Color

Comments

1 | 4/7 | 15:15 | 62 | 59 | 3.5 | 3 | 3 | Stained | 1st reading of the year; bottom sediment mixed in; ice out 1 week ago |
2 | 5/19 | 19:30 | 70 | 71 | 4.5 | 2 | 2 | Stained | 1st readings since Covid-19 lockdown lifted; Recent 2" rains; water level high |
3 | 5/31 | 17:30 | 72 | 82 | 3.0 | 2 | 3 | Green | Alpha algae beginning to show up |
4 | 6/14 | 14:45 | 75 | 84 | 3.5 | 2 | 2 | Stained | CLP in area; alternate location by old ski course (too windy for deeper part) |
5 | 6/20 | 17:15 | 72 | 86 | 3.0 | 3 | 3 | Green | Alpha algae getting thicker |
6 | 6/27 | 16:00 | 85 | 93 | 3.0 | 3 | 3 | Green | Alpha algae still present |
7 | 7/3 | 15:30 | 90 | 96 | 3.0 | 3 | 3 | Green | Alpha algae still present & mixed |
8 | 7/13 | 13:30 | 91 | 92 | 1.0 | 4 | 4 | Green | Alpha algae getting thick; breezy conditions |
9 | 7/17 | 14:45 | 91 | 92 | 1.0 | 4 | 4 | Green | Alpha algae getting thick; breezy conditions; no DO at surface |
10 | 7/24 | 15:30 | 91 | 87 | 0.5 | 4 | 4 | Green | Alpha algae thick; breezy conditions; no DO at surface; recent rain (0.5") |
11 | 8/4 | 16:30 | 76 | 89 | 1.0 | 4 | 4 | Green | Alpha algae still very thick throughout water column |
12 | 8/6 | 14:30 | 77 | 88 | 1.5 | 4 | 4 | Green | Alpha algae still thick |
13 | 8/11 | 15:30 | 82 | 88 | 1.0 | 4 | 4 | Green | Alpha algae still thick; recent 2.5"+ rain |
14 | 8/19 | 15:00 | 83 | 88 | 1.5 | 3 | 4 | Green | Alpha algae still thick; breezy |
15 | 8/30 | 15:30 | 78 | 88 | 1.0 | 4 | 4 | Green | Alpha algae still thick; breezy |
16 | 9/5 | 15:30 | 76 | 84 | 1.0 | 4 | 4 | Green | Alpha algae still thick; breezy |
17 | 9/16 | 14:15 | 66 | 77 | 1.5 | 4 | 4 | Green | Alpha algae still present; breezy |
18 | 9/25 | 13:00 | 75 | 79 | 2.5 | 3 | 3 | Green | Alpha algae still present; breezy |
19 | 10/8 | 14:30 | 65 | 70 | 2.0 | 3 | 3 | Green | Still have some Alpha algae present |
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| | | Rice Lake Secchi Readings for 2020 (Site 2 - Elm Creek North) |
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Reading

Date

Time

Air Temp

Water Temp

Secchi (Feet)

Physical Condition (PC)
1= Crystal Clear
2=Not Quite CC
3=Definite Algae green
4=High Algae Levels
5=Severely High Algae

Recreational Suitability (RS)
1=Beautiful
2=Very minor aesthetic problems
3=Swimming/aesthetic impaired
4=Desire to swim reduced
5=Swimming/Aesthetic impossible

Water Color

Comments

1 | 4/2 | 17:00 | | | 3.5 | 2 | 2 | Stained | 1st reading of the year; bottom sediment mixed in; ice out 1 week ago |
2 | 4/7 | 18:45 | 62 | 52 | 3.5 | 2 | 2 | Green | Still traces of bottom sediment floating to top |
3 | 5/19 | 20:45 | 68 | 69 | 3.5 | 2 | 2 | Green | 1st readings since Covid-19 lockdown lifted; Recent 2" rains; water level high |
4 | 5/31 | 19:00 | 72 | 82 | 3.5 | 2 | 3 | Green | Water level slightly high; alpha algae starting to show |
5 | 6/14 | 16:30 | 75 | 84 | 5.5 | 1 | 2 | Green | Best clarity in years; normal water level |
6 | 6/20 | 20:30 | 72 | 86 | 3.5 | 2 | 3 | Green | Alpha algae present; .8" rain 2 days ago |
7 | 6/27 | 18:45 | 85 | 91 | 3.5 | 2 | 3 | Green | Alpha algae still present |
8 | 7/3 | 18:30 | 90 | 96 | 3.5 | 2 | 3 | Green | Algae bloom starting; hot out (90+) |
9 | 7/11 | 13:30 | 83 | 94 | 0.0 | 5 | 5 | Green | Blue green algae bloom; 2" visibility with secchi disk |
10 | 7/17 | 18:00 | 91 | 87 | 0.5 | 4 | 5 | Green | Blue-green algae still present; no DO at surface |
11 | 7/24 | 18:30 | 91 | 87 | 1.5 | 4 | 4 | Green | Blue-green algae still present; no DO at surface |
12 | 8/6 | 18:30 | 77 | 88 | 1.0 | 4 | 5 | Green | Blue-green algae still present; water level low |
13 | 8/11 | 19:30 | 82 | 88 | 1.0 | 4 | 5 | Green | Blue-green algae still present; 2.5"+ recent rain |
14 | 8/19 | 18:30 | 83 | 88 | 1.0 | 4 | 5 | Green | Blue-green algae still present; water level high |
15 | 8/30 | 18:15 | 78 | 88 | 1.0 | 4 | 5 | Green | Blue-green algae still present; water level high |
16 | 9/5 | 19:00 | 76 | 84 | 1.5 | 4 | 4 | Green | Blue-green algae still present; water level normal |
17 | 9/16 | 16:00 | 66 | 79 | 1.5 | 4 | 4 | Green | Blue-green algae still present; water level normal |
18 | 9/25 | 17:00 | 75 | 80 | 2.0 | 3 | 4 | Green | Blue-green algae still present; water level normal |
19 | 10/8 | 17:30 | 65 | 70 | 2.0 | 3 | 4 | Green | Blue-green algae still present; water level low |
20 | 11/2 | 15:00 | 55 | 51 | 4.0 | 1 | 2 | Stained | Still some traces of algae floating |
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| | | Rice Lake Secchi Readings for 2020 (Site 3 - West Bay) | |
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Reading

Date

Time

Air Temp

Water Temp

Secchi (Feet)

Physical Condition (PC)
1= Crystal Clear
2=Not Quite CC
3=Definite Algae green
4=High Algae Levels
5=Severely High Algae

Recreational Suitability (RS)
1=Beautiful
2=Very minor aesthetic problems
3=Swimming/aesthetic impaired
4=Desire to swim reduced
5=Swimming/Aesthetic impossible

Water Color

Comments

1 | 4/7 | 16:30 | 62 | 60 | 4.0 | 2 | 2 | Green | 1st reading of the year; bottom sediment mixed in; ice out 1 week ago |
2 | 5/19 | 17:30 | 70 | 73 | 3.0 | 3 | 3 | Tea | 1st readings since Covid-19 lockdown lifted; Recent 2" rains; water level high |
3 | 5/31 | 16:15 | 72 | 82 | 4.0 | 3 | 3 | Tea | Water level high; CLP in channel |
4 | 6/14 | 15:30 | 75 | 84 | 4.0 | 3 | 3 | Tea | Very windy; weedy bottom |
5 | 6/20 | 18:00 | 72 | 87 | 6.0 | 1 | 2 | Tea | Recent .8" rain |
6 | 6/27 | 16:30 | 85 | 97 | 4.0 | 2 | 3 | Tea | Occasional algae clumps |
7 | 7/3 | 16:15 | 90 | 98 | 4.5 | 2 | 2 | Tea | Occasional algae clumps |
8 | 7/13 | 14:15 | 83 | 92 | 3.5 | 2 | 3 | Tea | Windy; 60% surface weed cover |
9 | 7/17 | 15:30 | 91 | 95 | 3.0 | 3 | 3 | Tea | Breezy; 45% surface weed cover |
10 | 7/24 | 16:15 | 91 | 93 | 5.5 | 2 | 2 | Tea | Breezy; 25% surface weed cover |
11 | 8/4 | 17:15 | 76 | 88 | 2.5 | 4 | 3 | Tea | 25% surface weed cover; lots of weeds on lake bottom |
12 | 8/11 | 16:30 | 82 | 88 | 3.0 | 3 | 3 | Tea | 60% surface weed cover; lots of weeds on lake bottom |
13 | 8/19 | 16:00 | 83 | 88 | 5.0 | 2 | 2 | Tea | 70% surface weed cover; lots of weeds on lake bottom |
14 | 8/30 | 16:30 | 78 | 88 | 4.5 | 2 | 3 | Tea | 80% surface weed cover; lots of weeds on lake bottom |
15 | 9/5 | 16:00 | 76 | 84 | 4.5 | 2 | 3 | Tea | 70% surface weed cover; lots of weeds on lake bottom |
16 | 9/16 | 15:00 | 66 | 77 | 6.0 | 1 | 2 | Tea | 20% surface weed cover; slight algae |
17 | 9/25 | 14:00 | 75 | 81 | 4.0 | 2 | 3 | Tea | 10% surface weed cover; slight algae |
18 | 10/8 | 15:00 | 65 | 70 | 5.5 | 1 | 1 | Tea | 5% surface weed cover; disk on bottom |
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| * - Moved sampling area to spot 100 yards SW of I-94 bridge due to heavy vegetation in the original sampling area. |

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