Operation and maintenance of the playground and bathing area including equipment house on property 702 GB Römerswil, which is co-owned by properties 700, 701, 703-708, 729 and 366; maintenance of the private sewage collection canal, which in two branches disposes of the properties 366, 729 and 703-708 respectively 700 and 701 to the municipality-owned ARA pumping station; operation and maintenance of the reservoir on property 358; maintenance of the access road from the cantonal road to property 708 respectively 701.