Collection and emptying septic sludge in Halden Municipality.

The assignment is for collecting and emptying sludge from interceptors for sludge in Halden Municipality that come under the septic collection scheme. Per 01.01.2024 the scheme includes approx. 1415 installations. This number is continually changed when the municipality's inhabitants disconnect septic tanks/interceptors for sludge.

The scheme includes septic tanks, interceptors for sludge (with discharge to pipe installations/recipient), sealed tanks, and mini-treatment plants.