2011 Water Quality Monitoring

Water Quality Monitoring Data 2011

Date May 25 June 27 July 26 August 26 September 21 October 12
Weather Sunny Sunny Sunny Partly Sunny Cloudy Partly Sunny
Secchi Depth (Clarity) 11.5 feet 10.8 feet 12.75 feet 13 feet 9.75 feet 10 feet
Water Temp (Fahrenheit)
Surface 65 73 80 74 67 63
Middle
      1st Bay (16 ft)
57 64 70 74 66 63

      2nd Bay (26 ft)
49 52 52 54 55 56

      3rd Bay (23 ft)
45 54 57 68 64 61
Bottom
      1st Bay (26 ft)
48 51 52 55 57 58

      2nd Bay (56 ft)
41 41 41 42 40 41

      3rd Bay (46 ft)
45 46 46 47 48 49
Dissolved Oxygen %
Surface 109 109 103 99 93 103
Middle
      1st Bay (16 ft)
78.5 74 68.1 90.1 85.7 68.4

      2nd Bay (26 ft)
79.2 66.3 54.3 34 14.2 13.8

      3rd Bay (23 ft)
81 54.9 41.3 22.6 43.3 64.3
Bottom
      1st Bay (26 ft)
24.4 0 0 0 0 0

      2nd Bay (56 ft)
12.6 0 0 0 0 0

      3rd Bay (46 ft)
17.9 0 0 0 0 0
Total Phosphorus
    ug/L=micrograms per liter (30 ug/L=danger)
Surface
      1st Bay
5 ug/L 7 ug/L 6 ug/L 19 ug/L 10 ug/L 10 ug/L

      2nd Bay
4 ug/L 7 ug/L 4 ug/L 7 ug/L 7 ug/L 8 ug/L

      3rd Bay
12 ug/L 6 ug/L 5 ug/L 7 ug/L 10 ug/L 11 ug/L
Middle
      1st Bay (16 feet)
10 ug/L 13 ug/L 11 ug/L 9 ug/L 10 ug/L 12 ug/L

      2nd Bay (26 feet)
9 ug/L 10 ug/L 7 ug/L 8 ug/L 7 ug/L 5 ug/L

      3rd Bay (23 feet)
13 ug/L 9 ug/L 6 ug/L 8 ug/L 13 ug/L 11 ug/L
Bottom
      1st Bay (26 ft)
10 ug/L 19 ug/L 31 ug/L 30 ug/L 36 ug/L 34 ug/L

      2nd Bay (56 ft)
9 ug/L 13 ug/L 27 ug/L 45 ug/L 87 ug/L 95 ug/L

      3rd Bay (46 ft)
24 ug/L 18 ug/L 15 ug/L 17 ug/L 34 ug/L 56 ug/L
pH (Range = 1-14 [7 Neutral])
6.8 6.8 6.7 7.1 6.7 6.8

Note: Monthly figures vary; long-term trends are most important.