Upon completion, every well shall be tested for yield and drawdown either by bailing, pumping, or air testing for a period of not less than one hour. Any testing method that does not provide for drawdown measurements during testing is not an accurate or reliable test of yield.

Statutory/Other Authority

ORS 536.090 & 537.505 - 537.795

History

WRD 7-2001, f. & cert. ef. 11-15-01
WRD 8-1993, f. 12-14-93, cert. ef. 1-1-94
WRD 13-1986, f. 10-7-86, ef. 11-1-86, Renumbered from 690-061-0081
WRD 9-1978, f. 12-12-78, ef. 1-1-79