85-2-401. Priority -- recognition and confirmation of changes in appropriations issued after July 1, 1973. (1) As between appropriators, the first in time is the first in right. Priority of appropriation does not include the right to prevent changes by later appropriators in the condition of water occurrence, such as the increase or decrease of streamflow or the lowering of a water table, artesian pressure, or water level, if the prior appropriator can reasonably exercise the water right under the changed conditions.
(2) Priority of appropriation made under this chapter dates from the filing of an application for a permit with the department, except as otherwise provided in 85-2-301 through 85-2-303, 85-2-306, 85-2-310(8), and 85-2-313.
(3) Priority of appropriation perfected before July 1, 1973, must be determined as provided in part 2 of this chapter.
(4) All changes in appropriation rights actions of the department after July 1, 1973, are recognized and confirmed subject to this part and any terms, conditions, and limitations placed on a change in appropriation authorization by the department.
History: En. Sec. 27, Ch. 452, L. 1973; R.C.M. 1947, 89-891; amd. Sec. 33, Ch. 697, L. 1979; amd. Sec. 17, Ch. 497, L. 1997; amd. Sec. 17, Ch. 213, L. 2007; amd. Sec. 6, Ch. 251, L. 2009.
Structure Montana Code Annotated
Chapter 2. Surface Water and Ground Water
85-2-402. Changes in appropriation rights -- definition
85-2-403. Transfer of appropriation right
85-2-404. Abandonment of appropriation right
85-2-405. Procedure for declaring appropriation rights abandoned
85-2-406. District court supervision of water distribution
85-2-407. Temporary changes in appropriation right
85-2-408. Temporary change authorization for instream flow -- additional requirements
85-2-410. Short-term lease of appropriation right
85-2-411. Water turned into natural channels
85-2-412. Return of surplus water to stream
85-2-413. Diversion of natural flow of waters -- when permitted
85-2-415. Owners of water to sell surplus
85-2-416. Duty of purchaser to dig ditches
85-2-417. Enforcement of right to surplus
85-2-418. Purchaser not to sell surplus water
85-2-420. Change in appropriation right for aquifer recharge or mitigation -- marketing
85-2-423. Water right ownership update form
85-2-428. through 85-2-430 reserved