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› Alphabetical List of Special Purpose Districts in Washington
Updated 11/08
Alphabetical List of Special Purpose Districts* in Washington
Includes Separate Listing of Assessment Districts That Are Not Political Subdivisions
See also:
- Special Purpose Districts by Date of Enabling Legislation
- Special Purpose Districts by Type
- Special Purpose Districts by Function
- Special Purpose Districts Listed by County
| District | Date Created |
Enabling Statute (RCW) |
| Air Pollution Control Authorities | 1957, 1967 | Ch. 70.94 RCW |
| Airport District, County | 1945 | RCW 14.08.290-.330 |
| Boards of Joint Control (Irrigation districts and other entities) | 1949 | Ch. 87.80 RCW |
| Cemetery Districts | 1947 | Ch. 68.52 RCW |
| City Transportation Authority (Monorail) | 2002 | Ch. 35.95A RCW, Ch. 248 Laws 2002 |
| Conservation Districts | 1939 | Ch. 89.08 RCW |
| County Public Transportation Authority | 1974 | Ch. 36.57 RCW |
| County Rail Districts | 1983 | Ch. 36.60 RCW |
| Cultural Arts, Stadium, and Convention Districts | 1982 | Ch. 67.38 RCW |
| Diking and Drainage Districts (general provisions - revised, statutes (a) A diking district; (b) a drainage district; (c) a diking, drainage, and/or sewerage improvement district; (d) an intercounty diking and drainage district; (e) a consolidated diking district, drainage district, diking improvement district, and/or drainage improvement district; or (f) a flood control district.) | 1961 Recodification | Title 85 RCW |
| Diking & Drainage Districts in Two or More Counties (Intercounty Diking and Drainage Districts) | 1909 | Ch.. 85.24 RCW |
| Diking Districts | 1895 | Ch. 85.05 RCW |
| Diking, Drainage and Irrigation Improvement District; Drainage and Irrigation Improvement district - Improvement Districts - 1933 Act | 1933 | Ch. 85.22 RCW |
| Diking, Drainage, Sewerage Improvement Districts Funding methods revised by Diking, Drainage, and Sewerage Improvement Districts - 1967 Act | 1913 | Ch. 85.08 RCW, Ch. 85.15 RCW |
| Drainage District | 1895 | Ch. 85.06 RCW |
| Drainage Improvement District; Diking Improvement District - Improvement Districts - 1917 Act (reorganization of Diking or Drainage Dist) | 1917 | Ch. 85.20 RCW |
| Emergency Medical Service Districts | 1979 | 36.32.480 RCW |
| Emergency Service Communication Districts | 1987 | RCW 82.14B.070-.100 |
| Ferry Districts | 1917, Repealed 1994 | RCW 36.54.080-.100 |
| Ferry Districts, passenger-only (Counties of 1 million pop) | 2003 | Ch 36.54.110-.190 RCW, Ch. 83, Laws of 2003 |
| Fire Protection Districts | 1933 | Title 52 RCW |
| Flood Control by Counties Jointly - 1913 Act (Intercounty) | 1913 | Ch. 86.13 RCW |
| Flood Control Districts - 1935 Act | 1935, Repealed 1965 | Ch.86.05 RCW |
| Flood Control Districts - 1937 Act | 1937 | Ch. 86.09 RCW |
| Flood Control Zone Districts | 1961 | Ch. 86.15 RCW |
| Health Districts | 1945 | Ch. 70.46 RCW |
| Inter-County Regular Weed Districts | 1959 | Ch. 17.06 RCW |
| Inter-County Rural Library Districts | 1947 | RCW 27.12.090 |
| Irrigation Districts | 1890 | Ch. 87.03 RCW |
| Irrigation and Rehabilitation Districts | 1961 | Ch. 87.84 RCW |
| Island Library District | 1982 | RCW 27.12.400 - .450 |
| Joint City-county Housing Authorities | 1980 | RCW 35.82.300 |
| Joint Park and Recreation District | 1979 | RCW 36.60.420 - .460 |
| Joint School Districts | 1897 | Ch. 28A.323 RCW |
| Legal Authorities (Hydroelectric) - Irrigation Districts | 1983 | RCW 87.03.825 - .840 |
| Library Capital Facility Area | 1995 | Ch 27.15 RCW |
| Metropolitan Municipal Corporations | 1957 | Ch. 35.58 RCW & Ch. 36.56 RCW |
| Metropolitan Park District | 1907 | Ch. 35.61 RCW |
| Mosquito Control Districts | 1957 | Ch. 17.28 RCW |
| Operating Agencies (Electricity Generation and Distribution, Cities & PUD) | 1981 | Ch. 43.52 RCW |
| Park & Recreation Districts | 1957 | Ch. 36.69 RCW |
| Park & Recreation Service Areas | 1963 | RCW 36.68.400 - .620 |
| Port Districts | 1911 | Title 53 RCW |
| Public Facilities Districts | 1988 - counties, 1999 - cities & towns | Ch. 36.100 RCW for counties, Ch. 35.57 RCW cities/towns |
| Public Hospital Districts | 1945 | Ch. 70.44 RCW |
| Public Housing Authorities | 1939 | Ch. 35.82 RCW |
| Public Stadium Authority | 1997 | Ch. 36.102 RCW |
| Public Transportation Benefit Area | 1975 | Ch. 36.57A RCW |
| Public Utility Districts | 1931 | Title 54 RCW |
| Reclamation and Irrigation Districts in Reclamation Areas | 1943 | Ch. 89.12 RCW |
| Reclamation Districts of one million acres | 1927 | Ch. 89.30 RCW |
| Regional Library Districts | 1935 | RCW 27.12.080 |
| Regional Fire Protection Service Authorities | 2004 | Ch. 52.26 RCW |
| Regional Transit Authorities | 1992 | RCW 81.112 |
| Regional Transportation Investment District | 2002 | RCW 36.120 |
| Roads & Bridges Service Districts | 1983 | Ch. 36.83 RCW |
| Rural County Library Districts | 1941 | RCW 27.12.040 - .070 |
| Rural Partial Library District | 1993 | RCW 27.12.470 |
| Rural Public Hospital District (defined) | 1992 | RCW 70.44.450-.460 |
| Sanitary Districts | 1933, Repealed 1971 | Title 55 RCW |
| School Districts | 1889 | Ch. 28A.315 RCW |
| Sewage Improvement Districts - Formerly under Title 85 After 1979 powers of title 85 | 1923 | RCW 57.04.120-.130 |
| Sewer Districts | 1941 | Title 57 RCW |
| Solid Waste Disposal Districts | 1982 | RCW 36.58.100 |
| Television Reception Improvement Districts | 1971 | Ch. 36.95 RCW |
| Transportation Benefit District | 1989 | Ch. 36.73 RCW, RCW 35.21.225 for city |
| Unincorporated Transportation Benefit Areas (UTBA) | 1975 | RCW 36.57.100 |
| Urban Emergency Medical Service Districts | 1994 | RCW 35.21.762 |
| Water Distribution District | 1921, Repealed | |
| Water Districts | 1913 | Title 57 RCW |
| Water-Sewer Districts (water-sewer district, water district, sewer district) | Sewer Dist 1941; water dist 1913; water-sewer consolidation 1971 | Title 57 RCW (districts reclassified, formerly Sewer Title 56, Water Title 57), reclassification 1997 |
| Weed Districts | 1921 | Ch. 17.04 RCW |
| Assessment Districts - Not Separate Political Subdivisions | ||
| Apportionment District (Community redevelopment financing Act) | 1982 | Ch 39.88 RCW, Ruled unconstitutional by Leonard v. Spokane, 127 Wn. 2nd 195 (1995) |
| Aquifer Protection Areas | 1985 | Ch. 36.36 RCW |
| Community Renewal Area | 2002 | Ch. 35.81 RCW, Ch. 218 Laws of 2002 |
| County Road District |
1889 | RCW 36.75.060 |
| Flood Control by Counties (River Improvement Fund) | 1907 | Ch. 86.12 RCW |
| Lake and Beach Management Districts | 1986 | Ch. 36.61 RCW; RCW 35.21.403 |
| Public Waterway Districts | 1911 | Ch. 91.08 RCW |
| Industrial Development Districts (Ports) - to develop marginal area properties | 1939 | Ch. 53.25 RCW |
| River & Harbor Improvement Districts | 1903 | Ch. 88.32 RCW |
| Solid Waste Collection Districts | 1971 | Ch. 36.58A RCW |
| Shellfish Protection Districts - "Clean Water Districts" | 1985 | Ch. 90.72 RCW |
Updated 11/08
Alphabetical List of Special Purpose Districts in Washington
Includes Separte Listing of Assessment Districts That Are Not Political Subdivisions
See also:
- Special Purpose Districts by Date of Enabling Legislation
- Special Purpose Districts by Type
- Special Purpose Districts by Function
- Special Purpose Districts Listed by County
| District | Date Created |
Enabling Statute (RCW) |
| Agricultural Pest Districts | 1919 | Ch. 17.12 RCW |
| Air Pollution Control Authorities | 1957, 1967 | Ch. 70.94 RCW |
| Airport District, County | 1945 | RCW 14.08.290-.330 |
| Boards of Joint Control (Irrigation districts and other entities) | 1949 | Ch. 87.80 RCW |
| Cemetery Districts | 1947 | Ch. 68.52 RCW |
| City Transportation Authority (Monorail) | 2002 | Ch. 35.95A RCW, Ch. 248 Laws 2002 |
| Conservation Districts | 1939 | Ch. 89.08 RCW |
| County Public Transportation Authority | 1974 | Ch. 36.57 RCW |
| County Rail Districts | 1983 | Ch. 36.60 RCW |
| Cultural Arts, Stadium, and Convention Districts | 1982 | Ch. 67.38 RCW |
| Diking and Drainage Districts (general provisions - revised, statutes (a) A diking district; (b) a drainage district; (c) a diking, drainage, and/or sewerage improvement district; (d) an intercounty diking and drainage district; (e) a consolidated diking district, drainage district, diking improvement district, and/or drainage improvement district; or (f) a flood control district.) | 1961 Recodification | Title 85 RCW |
| Diking & Drainage Districts in Two or More Counties (Intercounty Diking and Drainage Districts) | 1909 | Ch.. 85.24 RCW |
| Diking Districts | 1895 | Ch. 85.05 RCW |
| Diking, Drainage and Irrigation Improvement District; Drainage and Irrigation Improvement district - Improvement Districts - 1933 Act | 1933 | Ch. 85.22 RCW |
| Diking, Drainage, Sewerage Improvement Districts Funding methods revised by Diking, Drainage, and Sewerage Improvement Districts - 1967 Act | 1913 | Ch. 85.08 RCW, Ch. 85.15 RCW |
| Drainage District | 1895 | Ch. 85.06 RCW |
| Drainage Improvement District; Diking Improvement District - Improvement Districts - 1917 Act (reorganization of Diking or Drainage Dist) | 1917 | Ch. 85.20 RCW |
| Emergency Medical Service Districts | 1979 | 36.32.480 RCW |
| Emergency Service Communication Districts | 1987 | RCW 82.14B.070-.100 |
| Ferry Districts | 1917, Repealed 1994 | RCW 36.54.080-.100 |
| Ferry Districts, passenger-only (Counties of 1 million pop) | 2003 | Ch 36.54.110-.190 RCW, Ch. 83, Laws of 2003 |
| Fire Protection Districts | 1933 | Title 52 RCW |
| Flood Control by Counties Jointly - 1913 Act (Intercounty) | 1913 | Ch. 86.13 RCW |
| Flood Control Districts - 1935 Act | 1935, Repealed 1965 | Ch.86.05 RCW |
| Flood Control Districts - 1937 Act | 1937 | Ch. 86.09 RCW |
| Flood Control Zone Districts | 1961 | Ch. 86.15 RCW |
| Health Districts | 1945 | Ch. 70.46 RCW |
| Inter-County Regular Weed Districts | 1959 | Ch. 17.06 RCW |
| Inter-County Rural Library Districts | 1947 | RCW 27.12.090 |
| Irrigation Districts | 1890 | Ch. 87.03 RCW |
| Irrigation and Rehabilitation Districts | 1961 | Ch. 87.84 RCW |
| Island Library District | 1982 | RCW 27.12.400 - .450 |
| Joint City-county Housing Authorities | 1980 | RCW 35.82.300 |
| Joint Park and Recreation District | 1979 | RCW 36.60.420 - .460 |
| Joint School Districts | 1897 | Ch. 28A.323 RCW |
| Legal Authorities (Hydroelectric) - Irrigation Districts | 1983 | RCW 87.03.825 - .840 |
| Library Capital Facility Area | 1995 | Ch 27.15 RCW |
| Metropolitan Municipal Corporations | 1957 | Ch. 35.58 RCW & Ch. 36.56 RCW |
| Metropolitan Park District | 1907 | Ch. 35.61 RCW |
| Mosquito Control Districts | 1957 | Ch. 17.28 RCW |
| Operating Agencies (Electricity Generation and Distribution, Cities & PUD) | 1981 | Ch. 43.52 RCW |
| Park & Recreation Districts | 1957 | Ch. 36.69 RCW |
| Park & Recreation Service Areas | 1963 | RCW 36.68.400 - .620 |
| Port Districts | 1911 | Title 53 RCW |
| Public Facilities Districts | 1988 - counties, 1999 - cities & towns | Ch. 36.100 RCW for counties, Ch. 35.57 RCW cities/towns |
| Public Hospital Districts | 1945 | Ch. 70.44 RCW |
| Public Housing Authorities | 1939 | Ch. 35.82 RCW |
| Public Stadium Authority | 1997 | Ch. 36.102 RCW |
| Public Transportation Benefit Area | 1975 | Ch. 36.57A RCW |
| Public Utility Districts | 1931 | Title 54 RCW |
| Reclamation and Irrigation Districts in Reclamation Areas | 1943 | Ch. 89.12 RCW |
| Reclamation Districts of one million acres | 1927 | Ch. 89.30 RCW |
| Regional Library Districts | 1935 | RCW 27.12.080 |
| Regional Fire Protection Service Authorities | 2004 | Ch. 52.26 RCW |
| Regional Transit Authorities | 1992 | RCW 81.112 |
| Regional Transportation Investment District | 2002 | RCW 36.120 |
| Roads & Bridges Service Districts | 1983 | Ch. 36.83 RCW |
| Rural County Library Districts | 1941 | RCW 27.12.040 - .070 |
| Rural Partial Library District | 1993 | RCW 27.12.470 |
| Rural Public Hospital District (defined) | 1992 | RCW 70.44.450-.460 |
| Sanitary Districts | 1933, Repealed 1971 | Title 55 RCW |
| School Districts | 1889 | Ch. 28A.315 RCW |
| Sewage Improvement Districts - Formerly under Title 85 After 1979 powers of title 85 | 1923 | RCW 57.04.120-.130 |
| Sewer Districts | 1941 | Title 57 RCW |
| Solid Waste Disposal Districts | 1982 | RCW 36.58.100 |
| Television Reception Improvement Districts | 1971 | Ch. 36.95 RCW |
| Transportation Benefit District | 1989 | Ch. 36.73 RCW, RCW 35.21.225 for city |
| Unincorporated Transportation Benefit Areas (UTBA) | 1975 | RCW 36.57.100 |
| Urban Emergency Medical Service Districts | 1994 | RCW 35.21.762 |
| Water Distribution District | 1921, Repealed | |
| Water Districts | 1913 | Title 57 RCW |
| Water-Sewer Districts (water-sewer district, water district, sewer district) | Sewer Dist 1941; water dist 1913; water-sewer consolidation 1971 | Title 57 RCW (districts reclassified, formerly Sewer Title 56, Water Title 57), reclassification 1997 |
| Weed Districts | 1921 | Ch. 17.04 RCW |
| Assessment Districts - Not Separate Political Subdivisions | ||
| Apportionment District (Community redevelopment financing Act) | 1982 | Ch 39.88 RCW, Ruled unconstitutional by Leonard v. Spokane, 127 Wn. 2nd 195 (1995) |
| Aquifer Protection Areas | 1985 | Ch. 36.36 RCW |
| Community Renewal Area | 2002 | Ch. 35.81 RCW, Ch. 218 Laws of 2002 |
| County Road District |
1889 | RCW 36.75.060 |
| Flood Control by Counties (River Improvement Fund) | 1907 | Ch. 86.12 RCW |
| Lake and Beach Management Districts | 1986 | Ch. 36.61 RCW; RCW 35.21.403 |
| Public Waterway Districts | 1911 | Ch. 91.08 RCW |
| Industrial Development Districts (Ports) - to develop marginal area properties | 1939 | Ch. 53.25 RCW |
| River & Harbor Improvement Districts | 1903 | Ch. 88.32 RCW |
| Solid Waste Collection Districts | 1971 | Ch. 36.58A RCW |
| Shellfish Protection Districts - "Clean Water Districts" | 1985 | Ch. 90.72 RCW |
Updated 11/08
Alphabetical List of Special Purpose Districts in Washington
Includes Separate Listing of Assessment Districts That Are Not Political Subdivisions
See also:
- Special Purpose Districts by Date of Enabling Legislation
- Special Purpose Districts by Type
- Special Purpose Districts by Function
- Special Purpose Districts Listed by County
| District | Date Created | Enabling Statute (RCW) |
| Agricultural Pest Districts | 1919 | Ch. 17.12 RCW |
| Air Pollution Control Authorities | 1957, 1967 | Ch. 70.94 RCW |
| Airport District, County | 1945 | RCW 14.08.290-.330 |
| Boards of Joint Control (Irrigation districts and other entities) | 1949 | Ch. 87.80 RCW |
| Cemetery Districts | 1947 | Ch. 68.52 RCW |
| City Transportation Authority (Monorail) | 2002 | Ch. 35.95A RCW, Ch. 248 Laws 2002 |
| Conservation Districts | 1939 | Ch. 89.08 RCW |
| County Public Transportation Authority | 1974 | Ch. 36.57 RCW |
| County Rail Districts | 1983 | Ch. 36.60 RCW |
| Cultural Arts, Stadium, and Convention Districts | 1982 | Ch. 67.38 RCW |
| Diking and Drainage Districts (general provisions - revised, statutes (a) A diking district; (b) a drainage district; (c) a diking, drainage, and/or sewerage improvement district; (d) an intercounty diking and drainage district; (e) a consolidated diking district, drainage district, diking improvement district, and/or drainage improvement district; or (f) a flood control district.) | 1961 Recodification | Title 85 RCW |
| Diking & Drainage Districts in Two or More Counties (Intercounty Diking and Drainage Districts) | 1909 | Ch.. 85.24 RCW |
| Diking Districts | 1895 | Ch. 85.05 RCW |
| Diking, Drainage and Irrigation Improvement District; Drainage and Irrigation Improvement district - Improvement Districts - 1933 Act | 1933 | Ch. 85.22 RCW |
| Diking, Drainage, Sewerage Improvement Districts Funding methods revised by Diking, Drainage, and Sewerage Improvement Districts - 1967 Act | 1913 | Ch. 85.08 RCW, Ch. 85.15 RCW |
| Drainage District | 1895 | Ch. 85.06 RCW |
| Drainage Improvement District; Diking Improvement District - Improvement Districts - 1917 Act (reorganization of Diking or Drainage Dist) | 1917 | Ch. 85.20 RCW |
| Emergency Medical Service Districts | 1979 | 36.32.480 RCW |
| Emergency Service Communication Districts | 1987 | RCW 82.14B.070-.100 |
| Ferry Districts | 1917, Repealed 1994 | RCW 36.54.080-.100 |
| Ferry Districts, passenger-only (Counties of 1 million pop) | 2003 | Ch 36.54.110-.190 RCW, Ch. 83, Laws of 2003 |
| Fire Protection Districts | 1933 | Title 52 RCW |
| Flood Control by Counties Jointly - 1913 Act (Intercounty) | 1913 | Ch. 86.13 RCW |
| Flood Control Districts - 1935 Act | 1935, Repealed 1965 | Ch.86.05 RCW |
| Flood Control Districts - 1937 Act | 1937 | Ch. 86.09 RCW |
| Flood Control Zone Districts | 1961 | Ch. 86.15 RCW |
| Health Districts | 1945 | Ch. 70.46 RCW |
| Inter-County Regular Weed Districts | 1959 | Ch. 17.06 RCW |
| Inter-County Rural Library Districts | 1947 | RCW 27.12.090 |
| Irrigation Districts | 1890 | Ch. 87.03 RCW |
| Irrigation and Rehabilitation Districts | 1961 | Ch. 87.84 RCW |
| Island Library District | 1982 | RCW 27.12.400 - .450 |
| Joint City-county Housing Authorities | 1980 | RCW 35.82.300 |
| Joint Park and Recreation District | 1979 | RCW 36.60.420 - .460 |
| Joint School Districts | 1897 | Ch. 28A.323 RCW |
| Legal Authorities (Hydroelectric) - Irrigation Districts | 1983 | RCW 87.03.825 - .840 |
| Library Capital Facility Area | 1995 | Ch 27.15 RCW |
| Metropolitan Municipal Corporations | 1957 | Ch. 35.58 RCW & Ch. 36.56 RCW |
| Metropolitan Park District | 1907 | Ch. 35.61 RCW |
| Mosquito Control Districts | 1957 | Ch. 17.28 RCW |
| Operating Agencies (Electricity Generation and Distribution, Cities & PUD) | 1981 | Ch. 43.52 RCW |
| Park & Recreation Districts | 1957 | Ch. 36.69 RCW |
| Park & Recreation Service Areas | 1963 | RCW 36.68.400 - .620 |
| Port Districts | 1911 | Title 53 RCW |
| Public Facilities Districts | 1988 - counties, 1999 - cities & towns | Ch. 36.100 RCW for counties, Ch. 35.57 RCW cities/towns |
| Public Hospital Districts | 1945 | Ch. 70.44 RCW |
| Public Housing Authorities | 1939 | Ch. 35.82 RCW |
| Public Stadium Authority | 1997 | Ch. 36.102 RCW |
| Public Transportation Benefit Area | 1975 | Ch. 36.57A RCW |
| Public Utility Districts | 1931 | Title 54 RCW |
| Reclamation and Irrigation Districts in Reclamation Areas | 1943 | Ch. 89.12 RCW |
| Reclamation Districts of one million acres | 1927 | Ch. 89.30 RCW |
| Regional Library Districts | 1935 | RCW 27.12.080 |
| Regional Fire Protection Service Authorities | 2004 | Ch. 52.26 RCW |
| Regional Transit Authorities | 1992 | RCW 81.112 |
| Regional Transportation Investment District | 2002 | RCW 36.120 |
| Roads & Bridges Service Districts | 1983 | Ch. 36.83 RCW |
| Rural County Library Districts | 1941 | RCW 27.12.040 - .070 |
| Rural Partial Library District | 1993 | RCW 27.12.470 |
| Rural Public Hospital District (defined) | 1992 | RCW 70.44.450-.460 |
| Sanitary Districts | 1933, Repealed 1971 | Title 55 RCW |
| School Districts | 1889 | Ch. 28A.315 RCW |
| Sewage Improvement Districts - Formerly under Title 85 After 1979 powers of title 85 | 1923 | RCW 57.04.120-.130 |
| Sewer Districts | 1941 | Title 57 RCW |
| Solid Waste Disposal Districts | 1982 | RCW 36.58.100 |
| Television Reception Improvement Districts | 1971 | Ch. 36.95 RCW |
| Transportation Benefit District | 1989 | Ch. 36.73 RCW, RCW 35.21.225 for city |
| Unincorporated Transportation Benefit Areas (UTBA) | 1975 | RCW 36.57.100 |
| Urban Emergency Medical Service Districts | 1994 | RCW 35.21.762 |
| Water Distribution District | 1921, Repealed | |
| Water Districts | 1913 | Title 57 RCW |
| Water-Sewer Districts (water-sewer district, water district, sewer district) | Sewer Dist 1941; water dist 1913; water-sewer consolidation 1971 | Title 57 RCW (districts reclassified, formerly Sewer Title 56, Water Title 57), reclassification 1997 |
| Weed Districts | 1921 | Ch. 17.04 RCW |
| Assessment Districts - Not Separate Political Subdivisions | ||
| Agricultural Pest Districts (Separate district board, but finances handled by county) | 1919 | Ch. 17.12 RCW |
| Apportionment District (Community redevelopment financing Act) | 1982 | Ch 39.88 RCW, Ruled unconstitutional by Leonard v. Spokane, 127 Wn. 2nd 195 (1995) |
| Aquifer Protection Areas | 1985 | Ch. 36.36 RCW |
| Community Renewal Area | 2002 | Ch. 35.81 RCW, Ch. 218 Laws of 2002 |
| County Road District |
1889 | RCW 36.75.060 |
| Flood Control by Counties (River Improvement Fund) | 1907 | Ch. 86.12 RCW |
| Horticultural Pest and Disease Board (Horticultural Assessment) | 1969 | Ch. 15.09 RCW |
| Lake and Beach Management Districts | 1986 | Ch. 36.61 RCW; RCW 35.21.403 |
| Public Waterway Districts | 1911 | Ch. 91.08 RCW |
| Industrial Development Districts (Ports) - to develop marginal area properties | 1939 | Ch. 53.25 RCW |
| River & Harbor Improvement Districts | 1903 | Ch. 88.32 RCW |
| Solid Waste Collection Districts | 1971 | Ch. 36.58A RCW |
| Shellfish Protection Districts - "Clean Water Districts" | 1985 | Ch. 90.72 RCW |
*Special Purpose Districts listed are defined as political subdivisions of the state and come into existence, acquire legal rights and duties, and are dissolved in accordance with statutory procedures. Enabling legislation sets forth the purpose of the district, procedures for formation, powers, functions and duties, composition of the governing body, methods of finance, and other provisions. The districts are usually quasi-municipal corporations though some are statutorily defined as municipal corporations. The are often designated in the statutes as a public body corporate and a taxing authority.