Miller Lake Community Group
Phosphate Levels - 2015

Phosphorus is a nutrient that accumulates in waterways from fertilizer run-off, detergent, and other sources. It is the major cause of algal blooms, some of which are toxic. A lake with a reading of 0 - 10 mcg/L of phosphorus will not support algal blooms. Between 10 - 20 mcg/L, there is a possiblity of a bloom. Over 20, you're really screwed.

Calcium is required for all life. Zooplankton is a major food source for many inhabitants of the lake, and it requires a calcium level of 1.5 mg/L in order to survive.


DATE

CALCIUM (mg/L)

Total PHOSPHORUS 1 (mcg/L)

Total PHOSPHORUS 2 (mcg/L)

2002-7-10

n/a

8.80

8.30

2003-7-6

n/a

9.60

10.90

2005-6-29

n/a

12.15

7.76

2009-7-5

30.5

8.34

8.95

2014-5-19

34.9

5.4

5.6

2015-5-30

35

7.1

n/a

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