Mainstem definition

Mainstem means that portion of a river having the same name as a river
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Mainstem means that portion of a river having the same name as a river basin defined in subdivision (1) of this section. "Mainstem" does not include named or unnamed tributaries."
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Examples of Mainstem in a sentence

  • Mainstem treaty subsistence fisheries shall be open on a year round basis and shall not be restricted by the States or the United States, except for conservation purposes.

  • Columbia River Basin Regions (Lower Columbia/Willamette, Mid–Columbia, Upper Columbia, Snake, Mainstem) - RMUs of Pacific Lamprey are at ‘high risk’ throughout much of the Columbia River basin, particularly in the Snake River, the Mid-Columbia and the Upper Columbia regions (▇▇▇▇▇▇ et al.

  • Mainstem reaches are located near the lower boundary of each management segment (A through E) and tributary reaches include Governor Creek, Miner Creek, Rock Creek, Steel Creek and Deep Creek.

  • Oregon chub were historically present in the following tributaries of the Willamette River: Clackamas River, Molalla River, South Santiam River, North Santiam River, Luckiamute River, ▇▇▇▇ ▇▇▇ River, ▇▇▇▇▇▇▇▇ River, Mary’s River, Coast Fork Willamette River, Middle Fork Willamette River and the Mainstem Willamette River from Oregon City to Eugene.

  • All covered mussels b Mainstem of waterbody where reintroduction occurs extending onto adjoining parcels, plus direct tributaries containing suitable habitat (suitable habitat discussed for each covered mussel species in Appendix A, Sections A.1.1.9 through A.1.1.14).

  • In 1945 the Federal District Court for the Eastern District of Washington approved a consent Judgment providing for Reclamation to facilitate diversion of water from the Mainstem Yakima and Naches Rivers to enumerated parties from storage, return flows, natural flows and other sources, denominated as the Total Water Supply Available (TWSA) , according to parties’ status as pro-ratable or non-proratable.

  • Macrhybopsis gelida Mainstem of waterbody where reintroduction occurs extending onto adjoining parcels, plus direct tributaries containing suitable habitat.

  • The activities to be completed according to the Agreement are located 4 miles east of of Dyersville in Humboldt County in unnamed tributaries to Sonoma Creek,a tributary to the Upper Mainstem Eel River.

  • In addition to all services expressly required by this Agreement, Property Management Services shall include monthly and other periodic meetings with DISTRICT regarding integration or consideration of the Santa Ana River Mainstem Project construction, environmental responsibilities, recreation planning activities, and Prado Dam operations in relation to providing Property Management Services.

  • Sicklefin Chub Macrhybopsis meeki Mainstem of waterbody where reintroduction occurs extending onto adjoining parcels, plus direct tributaries containing suitable habitat.