## Monthly Lagoon Water Testing Results

 Month Temp Turbidity pH Level Clarity Color Algae Water Plants Dissolved Oxygen Dec 2019 37° 7.90 8.0 1 ft GR L < 1% 6.80 Nov 2019 40° 6.90 5.50 1 ft GR L < 1% 6.50 Oct 2019 52° 5.50 7.50 1 ft GR L < 1% 9.40 Sept 2019 47° 7.20 7.20 1 ft GR L < 1% 7.0 Aug 2019 48° 3.60 7.90 1 ft GR L < 1% 8.0 Jul 2019 47° 5.90 5.50 1 ft GR L < 1% 6.90 Jun 2019 53° 8.20 6.90 1 ft GR L < 1% 5.90 May 2019 45° 5.90 5.90 1 ft GR L < 1% 7.80 Apr 2019 42° 7.50 6.0 1 ft GR M < 1% 6.80 Mar 2019 42° 7.60 7.50 1 ft BR L < 1% 6.50 Feb 2019 38° 7.50 8.0 1 ft GR L < 1% 7.50 Jan 2019 40° 8.2 7.2 1 ft BR L < 1% 8.0

## Key to Abbreviations

(Temp) Temperature: The Water column temperature, measured in degrees Fahrenheit

Desired Level: < 70 degrees Fahrenheit

(Turb) Turbidity: The amount of sediment in the water column, measured in parts per million

Desired Level: Under 15 PPM NTU

(pH) The alkalinity of chemical makeup through runoff and rainfall

Desired Level: < 10

(Clarity) The visibility from the lagoon water surface to the lagoon bottom

Desired Level: > 3 ft.

(Color) The color of the lagoon water as related to the S. F. Bay: Green, Blue, or Olive

Desired Level: Green, Blue, or Olive

(Algae) Primitive plants in the water which exhibit no true leaves or stems

Desired Level: L (Low)

(Water Plants) The percentage of submerged water plants located in the lagoon bottom

Desired Level: < 1%

(Dissolved Oxygen) The oxygen concentrations available to support animals and plants

Desired Level: > 5.0 PPM Mg/L

< = Less than > = Greater than
PPM = Parts per Million
Mg/L = Milligrams per Liter
NTU = National Turbidity Units
MPN = Most Probable Number