Or. Admin. R. 603-095-5015 – Prohibited Acts

(1) Fertilizer may not be applied to agricultural land within the LUBGWMA in a manner that causes pollution of the groundwater of the state or in a manner that places wastes in a location where such wastes are likely to escape or be carried into the groundwater of this state.
(2) Fertilizer, fumigants or pesticides may not be placed into groundwater via backflow devices or well casings.
(3) A landowner conducting agricultural activities on agricultural land within the LUBGWMA may not violate any provision of OAR 603-095-5000 – 5065.

ORS 561.191 & ORS 568.900-933

ORS 568.900-933 & 468B.025(1)