Forestry South Africa v Minister of Human Settlements, Water and Sanitation and Others; Minister of Human Settlements, Water and Sanitation and Others v Forestry South Africa

Forestry South Africa (Forestry SA), a non-profit association representing timber growers, sought declaratory relief in the Western Cape High Court to obtain an authoritative interpretation of provisions of the National Water Act 36 of 1998 (NWA). The dispute concerned the meaning of ‘existing lawful water use’ in relation to stream flow reduction activities (commercial afforestation). Forestry SA challenged the interpretation adopted by the Minister, the Department of Water and Sanitation, catchment management agencies, and the Water Tribunal, particularly regarding whether such water use required prior authorisation under pre‑1998 law and whether, during verification of existing lawful water use, authorities could restrict the species or genus of trees planted. The High Court granted some declaratory relief in favour of Forestry SA and dismissed other relief. Both Forestry SA and the statutory authorities appealed to the Supreme Court of Appeal (SCA).

In case no 777/2022, Forestry SA’s appeal was upheld and declaratory orders were granted clarifying that stream flow reduction activities are not subject to pre‑1998 authorisation requirements and that s 34 obligations do not generally limit species choice. In case no 824/2022, the statutory authorities’ appeal was upheld in part and dismissed in part, with certain High Court orders set aside and replaced. Costs were awarded against the statutory authorities in both appeals.

This judgment provides authoritative clarification on the interpretation of ‘existing lawful water use’ under the National Water Act, particularly in relation to commercial afforestation as a stream flow reduction activity. It limits the regulatory reach of water authorities during verification processes and protects pre‑existing forestry operations from retrospective authorisation requirements. The case is significant for balancing environmental regulation with constitutional property rights and for confirming the availability of declaratory relief to resolve systemic disputes of statutory interpretation.