Or. Admin. R. 340-073-0080
A gray water waste disposal sump must consist of a receiving chamber, settling chamber, and either a seepage chamber or absorption trench.
ORS 454.625 & 468.020
ORS 454.610, 454.615 & 454.775
DEQ 11-2004, f. 12-22-04, cert. ef. 3-1-05
DEQ 27-1994, f. 11-15-94, cert. ef. 4-1-95
DEQ 16-1986, f. & ef. 9-16-86
DEQ 8-1983, f. & ef. 5-25-83
DEQ 10-1981, f. & ef. 3-20-81