Definition
1. Closed reservoir at the yard is a domestic waste storage in the form of a hole (normally with cemented edges) and given a cover.
2. Opened reservoir at the yard is a domestic waste storage in the form of a hole but without a cover.
3. Reservoir outside the yard is a domestic waste in the form of a hole either with a cover or not but located outside the yard.
4. No reservoir/directly to sewer/river to the drain namely if the domestic waste water is channeled or disposed directly to the gutter (drain)/river/dam/sea regardless the availability of storage tanks.