Acts of Parliament

• National Policy of the Government of Malaysia - Third National Agricultural Policy (1998 - 2010)
• Federal Constitution
• Ministry Functions Act (1969) (Federal Government Ministers' Order 2004): The role of JPS in river management concerning flood mitigation and river conservation
• Other Legislation 

Land Act

• National Land Code 1965 and Waters
• Land Conservation Act 1960 

Flood Control

• Drainage Works Act 1954 (1988)
• Local Government Act (1976): (Peninsular)
• Land Works By-Laws
• Roads, Drainage and Buildings Act 1974 (1994)
• Town and Country Planning Act 1976 

River Management

• Water Act 1920 (Act 418) & Water Supply (Federal Territory of Kuala Lumpur) Act 1998 (Act 581)
• Mining Enactment 1962 (F.M.S Cap 147)
• Environmental Quality Act 1974 (Act 127) & Subsidiary Legislation
• Ministerial Functions Act 1969
• National Forestry Act 1984 (Act 313) & Timber-Based Industries (State Legislative Body) Act 1984
• Fisheries Act 1985 (Act 317) and Regulations
• Water Act 1989 - Chapter 15
• Sewage Services Act 1993 (Act 508) & Regulations and Orders 

Coastal Management

• Town and Country Planning Act 1976
• Environmental Quality Act 1974: (1985)
• Environmental Quality (Scheduled Activities) Order 1987
• Mining Enactment 1936 (F.M.S, Cap 147)
• Fisheries Act 1963 (1985) / Inland Fisheries Act 

Hydrology & Water Resources

• Drainage Works Act 1954 (1988)
• Water Act 1920 (Cap 146) (1989) 

Environmentally Friendly Drainage

• Road, Drainage and Buildings Act 1974 (Act 133) - Section 70A(9)
• Road, Drainage and Building Act 1974 (Act 133) - Section 71 

Agricultural Drainage

• Third National Agricultural Policy (1998-2010)
• Irrigation Works Act 1953 (1989)
• Drainage Works Act 1954 (1988)
• Water Act 1920 (Cap 146) (1989)
• Fisheries Act 1963 (1985) / Inland Fisheries Act