Normally the residual waste and the GFT waste is collected on Monday. On the third Saturday of the month you can put out old paper.
On this site you can see exactly when you can offer which waste.
And on this site you can find more information about waste in Maastricht.
Residual waste is only collected by the Municipality in the red / white bags (see photo). These bags are available at all supermarkets in Maastricht. Organic waste is collected in the green box.
Cost: residual bag 25 liters: € 11.20 per roll = 20 bags
50-liter residual bag: € 9.60 per roll = 10 bags