Happy Valley 20th October 2020
There had been significant clearing around the banks by NPWS and the site is now easier to access. Oxygen level was at 60%, Phosphate at the upper limit of .05 ppm, pH at 6, e-coli at 1100, electrical conductivity at 220, and turbidity at 5 FTU
Yarra Bay 21st October 2020
There was extensive coverage of green algae. Oxygen was low at 36% Phosphate very high at 1.42 ppm, e-coli at 200, turbidity at 12 FTU, pH at 6.5 and electrical conductivity 1050. Despite poor water quality a number of small fish were observed as well as a Diving Beetle (Dytiscidae) larvae approx. 30mm length.