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Water Report - Environmental Committee

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Lake Vilbig Water Test Results

by Jerry Skotak

Sampled on Saturday, May 28, 2022 at 3:50 PM

Air temperature: 92℉ under clear skies.

Sample depth: 12 inches

Algae: common (not much on surface – mainly lake bed)

Water color: light green

Water clarity: clear

Water surface: clear

Water conditions: ripples

Water odor: none

Water temperature: 80℉

Conductivity: 671 µS/cm

Dissolved Oxygen: 8.4 mg/L

pH: 8.70

Water transparency: 2 ft 2 inches

Lake observations: The air and the water have warmed up nicely. The samples were taken under clear skies on a windy day. The winds were out of the south at 14 mph. Ducks, turtles and small fish were swimming in the sample area.

Algae continues to grow fairly quickly. Most of the algae continues to be under the surface of the water. Aquatic vegetation is growing quickly and looks healthy. Nitrites (NO2-N) are less than .15 ppm. Total nitrate (NO3-N) is less than .05 ppm. Phosphate (PO4) is less than 5 ppm. All are at low levels and indicates there isn’t a lot of fertilizer being washed into the lake.

The lake level is normal. We are considered (western Dallas County) to be in a moderate drought. Although the 2.39 inches of rain last Tuesday and Wednesday was good. However, the rain occurred after the last Texas Drought Monitor results were posted and would not be reflected in the data.



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