There are 32 wastewater treatment works located in the Vaal River catchment area draining Gauteng. Collectively they discharge 1,500 million litres per day into the various tributaries of the Vaal.
That drought we experienced in the autumn? It’s not over yet, at least for much of the four-state watershed. (New York ...
The Ohio Department of Agriculture has been engaged in a variety of research efforts since the outset of the H2Ohio program. Phosphorus fertilizer usage and placement on agricultural soils in the ...