OAR 690-502: Willamette Basin Program
25 rules in Division 502, Chapter 690 (Water Resources Department).
- OAR 690-502-0010: Definitions
- OAR 690-502-0020: Policies
- OAR 690-502-0030: Objectives
- OAR 690-502-0040: General Provisions
- OAR 690-502-0050: Main Stem Willamette River Subbasin
- OAR 690-502-0060: Middle Fork Willamette River Subbasin
- OAR 690-502-0070: Coast Fork Willamette River Subbasin
- OAR 690-502-0080: McKenzie River Subbasin
- OAR 690-502-0090: Long Tom River Subbasin
- OAR 690-502-0100: Coast Range Subbasin
- OAR 690-502-0110: Santiam River-Calapooia River Subbasin
- OAR 690-502-0120: Molalla River-Pudding River Subbasin
- OAR 690-502-0130: Tualatin River Subbasin
- OAR 690-502-0140: Clackamas River Subbasin
- OAR 690-502-0150: Columbia Subbasin
- OAR 690-502-0160: Groundwater Classifications and Conditions
- OAR 690-502-0170: Sandy-Boring Ground Water Limited Area
- OAR 690-502-0180: Damascus, Gladtidings, Kingston, Mt. Angel, Parrett Mountain, and Stayton-Sublimity Ground Water Limited Areas
- OAR 690-502-0190: Sherwood-Dammasch-Wilsonville Ground Water Limited Area
- OAR 690-502-0200: Chehalem Mountain, Eola Hills and South Salem Hills Ground Water Limited Areas
- OAR 690-502-0210: Amity Hills/Walnut Hill Ground Water Limited Area
- OAR 690-502-0215: Five-Year Limited Permits
- OAR 690-502-0240: Groundwater-Surface Water Hydraulic Connection
- OAR 690-502-0250: Special Columbia River Basalt Group Aquifer Permit Conditions
- OAR 690-502-0260: Special Permit Conditions