Oregon Administrative Code

603-095-1800 Purpose - Wallowa (1) These rules have been developed to implement a water quality management area plan for the Wallowa Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933. The area plan is known as …

603-095-1820 Geographic and Programmatic Scope (1) The Wallowa Agricultural Water Quality Management Area includes Wallowa River, Lower Grande Ronde River and Imnaha River subbasins. The physical boundaries of the Management Area are indicated on the map included as Appendix 1 of…

603-095-1840 Required Prevention and Control Measures All landowners or occupiers conducting activities on lands in agricultural use shall be in compliance with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on la…

603-095-1860 Complaints and Investigations (1) When the department receives notice of an apparent occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an invest…

603-095-1900 Purpose - Molalla/Pudding/French Prairie/North Santiam Subbasins (1) The purpose of these rules is to outline requirements for landowners in the Molalla/Pudding/French Prairie/North Santiam Subbasins for the prevention and control of water pollution from agricultural…

603-095-1920 Geographic and Programmatic Scope (1) The Molalla/Pudding/French Prairie/North Santiam Subbasins includes the drainage areas of the Molalla, Pudding, North Santiam, and Santiam Rivers. In the area known as French Prairie, all the creeks and drainages between the town…

603-095-1940 Required Prevention and Control Measures (1) All landowners or operators conducting activities on lands in agricultural use shall be in compliance with the following criteria. A landowner or operator shall be responsible for only those violations of the following pre…

603-095-1960 Voluntary Water Quality Farm Plans (1) Intent: Landowners or operators are encouraged but are not required to develop and implement an Approved Voluntary Water Quality Farm Plan (Voluntary Plan). An Approved Voluntary Plan is defined in OAR 603-095-0010(6) and is not…

603-095-1980 Complaints and Investigations (1) When the Department receives notice of an apparent occurrence of agricultural water pollution through a written complaint, its own observation, or through notification by another agency, the Department may conduct an investigation. T…

603-095-2000 Purpose - Upper Mainstem and South Fork John Day River (1) These rules have been developed to implement a water quality management area plan for the Upper Mainstem and South Fork John Day River Agricultural Water Quality Management Area pursuant to authorities vested…

603-095-2020 Geographic and Programmatic Scope (1) The Upper Mainstem and South Fork John Day River Management Area include the area that drains into the John Day River upstream of Picture Gorge. The physical boundaries of the Management Area are indicated on the map included as …

603-095-2040 Required Prevention and Control Measures (1) Limitations. All landowners or operators conducting activities on agricultural lands are provided the following exemptions from the requirements of OAR 603-095-2040(2)–(6) (Prevention and Control Measures). (a) A landowner…

603-095-2060 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2100 Purpose – Southern Willamette Valley (1) These rules have been developed to implement a water quality management area plan for the Southern Willamette Valley Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.9…

603-095-2120 Geographic and Programmatic Scope (1) The Southern Willamette Valley Agricultural Water Quality Management Area includes the drainage area of the McKenzie River, Middle Fork of the Willamette River, Coast Fork of the Willamette River, and Willamette River mainstem up…

603-095-2140 Required Prevention and Control Measures (1) All landowners or operators conducting activities on lands in agricultural use shall comply with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on land con…

603-095-2160 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2200 Purpose – Mid Coast (1) These rules have been developed to implement a water quality management area plan for the Mid Coast Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933 and 561.190–561.191. Th…

603-095-2220 Geographic and Programmatic Scope (1) The Mid Coast Agricultural Water Quality Management Area includes the drainage area of the Salmon, Siletz, Yaquina, Alsea, Yachats, Siuslaw, Siltcoos Rivers, and Tahkenitch Lake, as well as other small streams between these water…

603-095-2240 Required Prevention and Control Measures (1) All landowners or operators conducting activities on lands in agricultural use shall comply with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on land con…

603-095-2260 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2300 Purpose – Middle Willamette (1) These rules have been developed to implement a water quality management area plan for the Middle Willamette Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933 and 561…

603-095-2320 Geographic and Programmatic Scope (1) The Middle Willamette Agricultural Water Quality Management Area includes the drainage area of the Marys River, Luckiamute River, Ash Creek, Dixon Creek, Frazier Creek, Rickreall Creek, and Glen Creek, as well as several smaller …

603-095-2340 Required Prevention and Control Measures All landowners or operators conducting activities on lands in agricultural use shall comply with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on land control…

603-095-2360 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2400 Purpose – South Santiam (1) These rules have been developed to implement a water quality management area plan for the South Santiam Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933 and 561.190–561…

603-095-2420 Geographic and Programmatic Scope (1) The South Santiam Agricultural Water Quality Management Area includes the drainage area of the South Santiam River, Calapooia River, and several smaller streams that drain directly to the Willamette River. The physical boundaries…

603-095-2440 Required Prevention and Control Measures All landowners or operators conducting activities on lands in agricultural use shall comply with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on land control…

603-095-2460 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2500 Purpose – Middle John Day (1) These rules have been developed to implement a water quality management area plan for the subbasin pursuant to authorities vested in the department through ORS 568.900–568.933. The area plan is known as the Middle John Day Agricultural W…

603-095-2520 Geographic and Programmatic Scope (1) The Middle John Day Agricultural Water Quality Management Area includes the area that drains into the John Day River between the Wheeler-Gilliam county line and the upstream end of Picture Gorge. The physical boundaries of the Mi…

603-095-2540 Required Prevention and Control Measures (1) Limitations: All landowners or operators conducting activities on agricultural and rural lands are provided the following exemptions from the requirements of OAR 603-095-2540 (Prevention and Control Measures). (a) A landow…

603-095-2560 Complaints and Investigations (1) When the Department receives notice of an alleged occurrence of agricultural pollution through a written complain, its own observation, through notification by another agency, or by other means, the department may conduct an investig…

603-095-2600 Purpose - Upper Willamette and Upper Siuslaw (1) These rules have been developed to implement a water quality management area plan for the Upper Willamette and Upper Siuslaw Agricultural Water Quality Management Area pursuant to authorities vested in the department t…

603-095-2620 Geographic and Programmatic Scope (1) The Upper Willamette and Upper Siuslaw Agricultural Water Quality Management Area includes the drainage area of the Long Tom River, Upper Siuslaw River, and several smaller streams that drain directly to the Willamette River. The…

603-095-2640 Required Prevention and Control Measures (1) All landowners or operators conducting activities on lands in agricultural use shall comply with the following criteria. A landowner shall be responsible for only those conditions caused by activities conducted on land con…

603-095-2660 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2700 Purpose - Owyhee (1) These rules have been developed to implement a water quality management area plan for the Owyhee Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933 and 561.190–561.191. The area…

603-095-2720 Geographic and Programmatic Scope (1) The Owyhee Agricultural Water Quality Management Area includes the portions of the following subbasins that are within the state of Oregon’s boundaries: southern portion of the Middle Snake-Payette (USGS HUC 1705011503), Lower Ow…

603-095-2740 Required Prevention and Control Measures (1) A landowner shall be responsible for only those conditions caused by activities conducted on land managed by the landowner. Criteria do not apply to conditions resulting from unusual weather events or other exceptional cir…

603-095-2760 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2800 Purpose – Willow Creek (1) These rules have been developed to implement a water quality management area plan for the subbasin pursuant to authorities vested in the department through ORS 568.900–568.933. The area plan is known as the Willow Creek Agricultural Water Q…

603-095-2820 Geographic and Programmatic Scope (1) The Willow Creek Agricultural Water Quality Management Area includes the area that drains into Willow Creek or the Columbia River between Willow Creek and the Umatilla River. The physical boundaries of the Willow Creek subbasin a…

603-095-2840 Required Prevention and Control Measures (1) All landowners or operators conducting activities on agricultural lands are provided the following exemptions from the requirements of OAR 603-095-2840(2) to (5). A landowner or operator shall be responsible for water qual…

603-095-2860 Complaints and Investigations (1) When the Department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-2900 Purpose – Lower John Day (1) These rules have been developed to implement a water quality management area plan pursuant to authorities vested in the department through ORS 568.900–568.933. The area plan is known as the Lower John Day Agricultural Water Quality Manage…

603-095-2920 Geographic and Programmatic Scope (1) The Lower John Day Agricultural Water Quality Management Area includes the area that drains into the John Day River and its tributaries downstream from but not inclusive of the Butte Creek drainage and all streams flowing into th…

603-095-2940 Required Prevention and Control Measures All landowners or occupiers conducting activities on lands in agricultural use shall be in compliance with the following criteria. A landowner or operator shall be responsible for water quality resulting from conditions caused…

603-095-2960 Complaints and Investigations (1) When the department receives notice of an alleged occurrence of agricultural pollution through a written complaint, its own observation, through notification by another agency, or by other means, the department may conduct an investi…

603-095-3000 Purpose – Upper Deschutes (1) These rules have been developed to implement a water quality management area plan for the Upper Deschutes Agricultural Water Quality Management Area pursuant to authorities vested in the department through ORS 568.900–568.933 and 561.190…