Or. Admin. R. 690-507-0790 - Stage Gulch CGWA: Sustainable Annual Yield

(1) Each of the subareas in the Stage Gulch Critical Ground-water Area shall be managed according to the sustainable annual yield within that subarea. The Department shall refine the sustainable annual yield over time through the use of pumpage data and the response of ground-water levels.
(2) The initial sustainable annual yield for each of the seven managed subareas in the Stage Gulch Critical Groundwater Area was determined using data from the 1980 through the 1989 irrigation season and is listed below:

SUBAREA - SUSTAINABLE ANNUAL YIELD

A - 11,450 Acre Feet

B - 200 Acre Feet

C - 400 Acre Feet

D - 3,250 Acre Feet

F - 200 Acre Feet

G - 2,750 Acre Feet

H - 8,850 Acre Feet

Notes

Or. Admin. R. 690-507-0790
WRD 6-1991, f. & cert. ef. 6-14-91; WRD 2-2017, f. & cert. ef. 5/22/2017

Stat. Auth.: ORS 536.900 - 536.935 & 537.505 - 537.745

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