On Friday 22 April, 2005, Gladstone Central School Year 7W visited Railway Dam at the Duckponds on Glenlyon Road. The students found the following water quality results:
Water Temperature: 25 degrees Celcius
Turbidity: 16 NTU's
pH: 6.0
Conductivity: 0.31mS
Phosphate: 5ppm
Nitrite: 0ppm
Nitrate: 0ppm
Macroinvertebrates: Damselfly larva, Freshwater shrimp, Water strider, Diving beetle
Macroinvertebrate score: 14
