9Special Acts under which local authorities and other public bodies exercise functions, powers, and duties
- Ashley River Improvement Act 1925 (1925 No 41)
- Auckland Metropolitan Drainage Act 1944 (1944 No 8 (L))
- Auckland Metropolitan Drainage Act 1960 (1960 No 15 (L))
- Christchurch District Drainage Act 1951 (1951 No 21 (L))
- Dunedin Waterworks Extension Act 1875 (1875 No 5 (P))
- Dunedin Waterworks Extension Act 1930 (1930 No 7 (L))
- Dunedin Waterworks (Silverstream Supply) Extension Act 1945 (1945 No 6 (L))
- Dunedin Waterworks (Taieri River Supply) Extension Act 1951 (1951 No 16 (L))
- Ellesmere Lands Drainage Act 1905 (1905 No 59)
- Eltham Borough Drainage and Water Supply Empowering Act 1905 (1905 No 4 (L))
- Eltham Drainage Board Act 1914 (1914 No 13 (L))
- Hawera Borough Drainage Empowering Act 1900 (1900 No 21 (L))
- Kaituna River District Act 1926 (1926 No 19 (L))
- Lake Wanaka Preservation Act 1973 (1973 No 107)
- Lakes District Waterways Authority (Shotover River) Empowering Act 1985 (1985 No 2 (L))
- Makerua Drainage Board Empowering Act 1952 (1952 No 8 (L))
- Makerua Drainage Board Loan Empowering Act 1927 (1927 No 13 (L))
- Manawatu-Oroua River District Act 1923 (1923 No 5 (L))
- North Shore Boroughs (Auckland) Water Conservation Act 1944 (1944 No 3 (L))
- North Shore Drainage Act 1963 (1963 No 15 (L))
- Oxford Road District Act 1905 (1905 No 37 (L))
- Rangitaiki Land Drainage Act 1956 (1956 No 34)
- South Canterbury Catchment Board Act 1946 (1946 No 10 (L))
- South Wairarapa River Board Empowering Act 1931 (1931 No 4 (L))
- Southland Land Drainage Act 1935 (1935 No 13 (L))
- Springs County Council Reclamation and Empowering Act 1913 (1913 No 10 (L))
- Springs County Council Reclamation and Empowering Act 1915 (1915 No 15 (L))
- Summit Road (Canterbury) Protection Act 1963 (1963 No 16 (L))
- Taieri River Improvement Act 1920 (1920 No 20 (L))
- Taupiri Drainage and River Board Empowering Act 1936 (1936 No 1 (L))
- Taupiri Drainage and River District Act 1929 (1929 No 23)
- Tumu-Kaituna Drainage Board Empowering Act 1928 (1928 No 16 (L))
- Waimakariri River Improvement Act 1922 (1922 No 22 (L))
- Wairau River Board Empowering Act 1934 (1934 No 8 (L))
- Wanganui River Trust Act 1891 (1891 No 19 (L))
- Wellington Regional Water Board Act 1972 (1972 No 3 (L))