Colorado Water Conservancy Districts

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District Name       Date      River Basin    Counties Included
                    Organized
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Animas-La Plata               Colorado
Arkansas                      Arkansas
Basalt              04/14/64  Colorado       Garfield, Eagle, Pitkin
Battlement Mesa     05/07/62  Colorado       Mesa
Bluestone           01/14/63  Colorado       Garfield, Mesa
Bostwick Park       09/06/61  Colorado       Montrose, Gunnison
Central Colorado    09/15/65  Missouri       Adams, Weld
Collbran            10/26/55  Colorado       Mesa
Conejos             09/30/40  Rio Grande     Conejos
Costilla                 /75  Rio Grande     Costilla
Crawford            05/31/57  Colorado       Delta, Montrose, Gunnison
Dolores             11/20/61  Colorado       Montezuma, Dolores  
Florida             08/  /48  Colorado       La Plata
Fruitland Mesa      08/18/60  Colorado       Delta, Montrose, Gunnison
Grand Mesa          04/10/61  Colorado       Delta
Great Northern      12/20/63  Colorado       Moffat, Routt
Huerfano County       /  /69  Arkansas       Huerfano
Jackson County      11/07/61  Missouri       Jackson
Juniper             06/27/66  Colorado       Moffat
La Plata            04/17/44  Colorado       La Plata
Lower South Platte  05/06/64  Missouri       Logan, Morgan, Sedgewick, Washington
Mancos              07/20/42  Colorado       Montezuma
Michigan River      08/  /80  Missouri       Jackson
Middle Park         08/21/50  Colorado       Grand, Summit
Northern Colorado   09/28/37  Missouri       Boulder, Larimer, Weld, Morgan,
                                             Logan, Sedgewick, Washington
North Fork          03/17/41  Colorado       Delta, Gunnison
North La Junta                Arkansas  
Purgatoire River    12/02/60  Arkansas       Las Animas
St.Vrain, Left Hand 04/19/71  Missouri       Boulder, Larimer, Weld
San Luis Valley     11/14/49  Rio Grande     Alamosa, Rio Grande, Saguache
San Miguel          09/  /57  Colorado       San Miguel, Montrose
Savery Pot Hook     06/23/60  Colorado       Moffat
Silt                10/07/57  Colorado       Garfield
Southeastern Colo.  05/29/58  Arkansas       Chaffee, Fremont, El Paso, Pueblo,
                                             Otero, Bent, Kiowa, Prowers, Crowley
Tri-County          09/20/57  Colorado       Delta, Montrose, Ouray
Trinchera             /  /75  Rio Grande     Costilla
Upper Arkansas                Arkansas
Upper Gunnison      07/09/59  Colorado       Gunnison, Saguache, Hinsdale
Upper South Platte  10/17/55  Missouri       Park, Teller, Douglas, Jefferson,
                                             Clear Creek
Upper Yampa         03/  /66  Colorado       Routt, Moffat
Ute                 04/04/56  Colorado       Mesa
West Divide         04/22/64  Colorado       Garfield, Pitkin, Mesa
Yellow Jacket       09/29/59  Colorado       Rio Blanco, Moffat, Garfield

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