OAR 340-041-0124: Basin-Specific Criteria (Main Stem Snake River): Water Quality Standards and Policies Specific to the Main Stem Snake River

(1) pH (hydrogen ion concentration). pH values may not fall outside the following range: main stem Snake River: 7.0-9.0. (2) Total Dissolved Solids. Guide concentration listed below may not be exceeded unless otherwise specifically authorized by DEQ upon such conditions as it may deem necessary to carry out the general intent of this plan and to protect the beneficial uses set forth in OAR 340-041-0120: main stem Snake River — 750.0 mg/l.