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The watershed inventory provides natural resource-related information on Missouri's primary watersheds, especially information pertaining to the wise management of the aquatic resources.
The state's watersheds are often indexed in one of two ways, either with the USGS 8-digit hydrologic unit listing or the primary watershed delineation used by the Missouri Department of Conservation. These two indexing methods differ slightly, but you will be able to find information on watersheds in the state by using either index.
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Watersheds grouped by color represent the larger watershed to which they belong.
- 1 . Big Piney River
- 2 . Big River
- 3 . Black River
- 4 . Blackwater River
- 5 . Bourbeuse River
- 6 . Chariton River
- 7 . Cuivre River
- 8 . Current River
- 10 . Elk River
- 11 . Fabius River
- 12 . Fox River
- 13 . Gasconade River
- 14 . Grand River
- 15 . Headwater Diversion
- 16 . Jacks Fork River
- 17 . James River
- 18 . Lamine River
- 19 . Locust Creek
- 20 . Meramec River
- 23 . Blue River
- 23 . Crooked River
- 23 . Missouri River
- 25 . Moreau River
- 27 . Niangua River
- 28 . Nodaway River
- 29 . North River
- 30 . Osage River East
- 31 . Osage River West
- 32 . Platte River
- 33 . Pomme de Terre River
- 34 . Sac River
- 35 . Salt River
- 36 . South Grand River
- 38 . Saint Francis River
- 39 . White River
- 40 . Wyaconda River
- 41 . Cache River
- 42 . Lower Kansas River
- 43 . Nishnabotna River
- 45 . Tarkio River
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