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Site Plans approved in every county in every state
| County | Permit Authority | Site Plan Notes |
|---|---|---|
| St. Louis County | St. Louis County Department of Planning | Site plans required for new construction, additions, decks, fences, pools, and accessory structures. Permits for solar installations and finished basements also require a site layout showing structure locations relative to property lines. |
| Jackson County | Kansas City City Planning & Development (CompassKC portal) for incorporated Kansas City; Jackson County Planning for unincorporated areas | Kansas City requires a site plan for all building permit applications to verify compliance with Chapter 88 (Zoning & Development Code) and the IBC; applications submitted via the CompassKC online portal at permits.kcmo.org. Independence and other incorporated cities maintain separate permit offices. |
| St. Charles County | St. Charles County Department of Planning & Zoning | Residential permits required for decks, detached garages, fences over six feet, swimming pools, sheds, gazebos, retaining walls over four feet, and solar panels — all requiring a site plan. O'Fallon and St. Charles city maintain their own building divisions with similar requirements. |
| Greene County | Greene County Building Regulations Department | Greene County requires five complete sets of plans routed to the Stormwater Engineer, Zoning Reviewer, Greene County Highway Department, Springfield City Utilities, and Building Regulations Plan Reviewer. Site plans must show all structures, site utilities, stormwater detention, parking, exterior lighting, landscaping, and driveway locations. Springfield Building Development Services handles permits within city limits. |
| St. Louis City | St. Louis City Building Division (independent city) | St. Louis City is an independent city separate from St. Louis County. Permits are required for fences, solar panel installations, decks/porches, garages, carports, and finished basements — all typically requiring a site layout. Projects in historic districts require additional Landmarks Commission or preservation board review. |
| Clay County | Clay County Planning & Zoning; Liberty Building Department for incorporated Liberty | Site plans required for new construction, additions, accessory structures, decks, and pools. Liberty requires site plans showing structure placement relative to property lines for deck and garage permits. |
| Jefferson County | Jefferson County Building & Zoning Department | Site plans typically required for new construction, additions, accessory structures, decks, and swimming pools. Missouri DNR land disturbance stormwater permit required for projects disturbing one or more acres. |
| Boone County | Columbia/Boone County Building & Site Development Division | Columbia and Boone County share a joint Building & Site Development Division. Site plans are required for new construction, additions, accessory structures, decks, fences, and pools. Missouri DNR stormwater permit required for land disturbance of one or more acres. |
| Jasper County | Jasper County Planning & Zoning; Joplin Community Development for incorporated Joplin | Site plans required for new construction, additions, and accessory structures. Joplin manages its own permit office for properties within city limits; unincorporated areas fall under county jurisdiction. |
| Platte County | Platte County Planning & Zoning Department | Platte County requires site plans that include dimensions from all property lines, easements, and floodplain boundaries, certified by a licensed Missouri surveyor. Projects in flood-prone areas may also require a Flood Plain Development Permit and Missouri DNR 401 water quality certification. |
| Cass County | Cass County Planning & Zoning Department | Site plans typically required for new construction, additions, accessory structures, and decks. Verify current requirements with the Cass County Planning & Zoning Department, as incorporated cities within the county maintain their own permit offices. |
| Franklin County | Franklin County Planning & Zoning Department | Site plans required for new construction, additions, accessory structures, and decks. Missouri DNR land disturbance permit required for construction activities disturbing one or more acres. Incorporated municipalities such as Union maintain separate building departments. |
| Christian County | Christian County Planning & Zoning; Nixa Building Department for incorporated Nixa; Republic Building Department for incorporated Republic | In Nixa, fence permits require a drawn fence site plan showing placement relative to property lines and drainage easements. In Republic, site plans must show parking areas, setbacks, easements, floodplain boundaries, subdivision name, lot number, and all structures including decks and covered patios. |
| Cape Girardeau County | Cape Girardeau County Planning & Zoning; Cape Girardeau City Building Department for incorporated Cape Girardeau | Site plans required for new construction, additions, accessory structures, decks, and pools. Incorporated Cape Girardeau city manages its own permitting and requires site plans for all structural permit applications. |
| Buchanan County | Buchanan County Planning & Zoning; St. Joseph Building & Inspections Division for incorporated St. Joseph | Site plans typically required for new construction, additions, accessory structures, decks, and pools. St. Joseph manages its own permit office for properties within city limits. |
| Cole County | Cole County Planning & Zoning; Jefferson City Building Inspections Division for incorporated Jefferson City | Jefferson City, the state capital, requires site plans for all structural permit applications including additions, decks, and accessory structures. Unincorporated Cole County falls under county zoning jurisdiction. |
| St. Francois County | St. Francois County Planning & Zoning | Site plans typically required for new construction, additions, and accessory structures. Farmington and other incorporated municipalities maintain separate building departments with their own permit requirements. |
| Lincoln County | Lincoln County Planning & Zoning Department | Site plans typically required for new construction, additions, accessory structures, and decks. Troy and other incorporated cities within the county maintain their own building departments. |
| Newton County | Newton County Planning & Zoning; Neosho Building Department for incorporated Neosho | Site plans typically required for new construction, additions, and accessory structures. Neosho and other incorporated municipalities within the county maintain separate building departments. |
| Taney County | Taney County Planning & Zoning; Branson Building Department for incorporated Branson | Branson, a major tourism hub, requires site plans for all structural permits including additions, accessory structures, and commercial projects. Floodplain development is regulated at the county level in coordination with Missouri DNR. |
| Johnson County | Johnson County Planning & Zoning; Warrensburg Building Department for incorporated Warrensburg | Site plans typically required for new construction, additions, and accessory structures. Warrensburg manages its own permit office for properties within city limits. |
| Pulaski County | Pulaski County Planning & Zoning; Waynesville Building Department for incorporated Waynesville | Site plans typically required for new construction, additions, and accessory structures. Waynesville, near Fort Leonard Wood, manages its own permit office for properties within city limits. |
| Phelps County | Phelps County Planning & Zoning; Rolla Building Department for incorporated Rolla | Rolla requires site plans for new construction, additions, accessory structures, and decks. Unincorporated Phelps County falls under county zoning authority. Missouri DNR land disturbance permit required for construction disturbing one or more acres. |
| Callaway County | Callaway County Planning & Zoning | Site plans typically required for new construction, additions, and accessory structures. Fulton manages its own permit office for properties within city limits. |
| Camden County | Camden County Planning & Zoning | Lake of the Ozarks development is active in Camden County; site plans required for new construction, docks, additions, and accessory structures. Floodplain and shoreline projects may require additional Missouri DNR review. |
| Pettis County | Pettis County Planning & Zoning; Sedalia Building Department for incorporated Sedalia | Site plans typically required for new construction, additions, and accessory structures. Sedalia manages its own permit office; unincorporated Pettis County falls under county jurisdiction. |
| Butler County | Butler County Planning & Zoning; Poplar Bluff Building Department for incorporated Poplar Bluff | Site plans typically required for new construction, additions, and accessory structures. Poplar Bluff manages its own permit office for properties within city limits. |
| Webster County | Webster County Planning & Zoning; Marshfield Building Department for incorporated Marshfield | Site plans typically required for new construction, additions, and accessory structures. Marshfield manages its own permit office; unincorporated Webster County falls under county jurisdiction. |
| Howell County | Howell County Planning & Zoning; West Plains Building Department for incorporated West Plains | Site plans typically required for new construction, additions, and accessory structures. West Plains manages its own permit office for properties within city limits. |
| Lawrence County | Lawrence County Planning & Zoning; Aurora Building Department for incorporated Aurora | Site plans typically required for new construction, additions, and accessory structures. Aurora and other incorporated municipalities maintain separate building departments. |
| Scott County | Scott County Planning & Zoning; Sikeston Building Department for incorporated Sikeston | Site plans typically required for new construction, additions, and accessory structures. Sikeston manages its own permit office; unincorporated Scott County falls under county jurisdiction. |
| Warren County | Warren County Planning & Zoning; Warrenton Building Department for incorporated Warrenton | Site plans typically required for new construction, additions, accessory structures, and decks. Warrenton manages its own permit office for properties within city limits. |
| Laclede County | Laclede County Planning & Zoning; Lebanon Building Department for incorporated Lebanon | Site plans typically required for new construction, additions, and accessory structures. Lebanon manages its own permit office for properties within city limits. |
| Barry County | Barry County Planning & Zoning; Cassville Building Department for incorporated Cassville | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Barry County falls under county jurisdiction; incorporated cities manage their own permit offices. |
| Lafayette County | Lafayette County Planning & Zoning; Lexington Building Department for incorporated Lexington | Site plans typically required for new construction, additions, and accessory structures. Lexington manages its own permit office; unincorporated Lafayette County falls under county jurisdiction. |
| Polk County | Polk County Planning & Zoning; Bolivar Building Department for incorporated Bolivar | Site plans typically required for new construction, additions, and accessory structures. Bolivar manages its own permit office; unincorporated Polk County falls under county jurisdiction. |
| Stone County | Stone County Planning & Zoning | Lake of the Ozarks and Table Rock Lake shoreline development is active in Stone County; site plans required for new construction, additions, and accessory structures. Shoreline and floodplain projects may require additional Missouri DNR review. |
| Stoddard County | Stoddard County Planning & Zoning; Dexter Building Department for incorporated Dexter | Site plans typically required for new construction, additions, and accessory structures. Dexter manages its own permit office; unincorporated Stoddard County falls under county jurisdiction. |
| Marion County | Marion County Planning & Zoning; Hannibal Building Department for incorporated Hannibal | Site plans typically required for new construction, additions, and accessory structures. Hannibal manages its own permit office for properties within city limits. |
| Dunklin County | Dunklin County Planning & Zoning; Kennett Building Department for incorporated Kennett | Site plans typically required for new construction, additions, and accessory structures. Kennett manages its own permit office; unincorporated Dunklin County falls under county jurisdiction. |
| Texas County | Texas County Planning & Zoning; Houston Building Department for incorporated Houston | Site plans typically required for new construction, additions, and accessory structures. Rural Texas County has limited code enforcement in some areas; verify requirements with the local building department. |
| Miller County | Miller County Planning & Zoning; Eldon Building Department for incorporated Eldon | Site plans typically required for new construction, additions, and accessory structures. Lake of the Ozarks shoreline projects may require additional floodplain and Missouri DNR review. |
| Adair County | Adair County Planning & Zoning; Kirksville Building Department for incorporated Kirksville | Site plans typically required for new construction, additions, and accessory structures. Kirksville manages its own permit office for properties within city limits. |
| Audrain County | Audrain County Planning & Zoning; Mexico Building Department for incorporated Mexico | Site plans typically required for new construction, additions, and accessory structures. Mexico manages its own permit office; unincorporated Audrain County falls under county jurisdiction. |
| Randolph County | Randolph County Planning & Zoning; Moberly Building Department for incorporated Moberly | Site plans typically required for new construction, additions, and accessory structures. Moberly manages its own permit office for properties within city limits. |
| McDonald County | McDonald County Planning & Zoning; Pineville Building Department for incorporated Pineville | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of McDonald County have limited code enforcement; verify requirements with the local building department. |
| Washington County | Washington County Planning & Zoning; Potosi Building Department for incorporated Potosi | Site plans typically required for new construction, additions, and accessory structures. Potosi manages its own permit office; unincorporated Washington County falls under county jurisdiction. |
| Ray County | Ray County Planning & Zoning; Richmond Building Department for incorporated Richmond | Site plans typically required for new construction, additions, and accessory structures. Richmond manages its own permit office; unincorporated Ray County falls under county jurisdiction. |
| Saline County | Saline County Planning & Zoning; Marshall Building Department for incorporated Marshall | Site plans typically required for new construction, additions, and accessory structures. Marshall manages its own permit office for properties within city limits. |
| Crawford County | Crawford County Planning & Zoning; Steelville Building Department for incorporated Steelville | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Crawford County falls under county jurisdiction. |
| Henry County | Henry County Planning & Zoning; Clinton Building Department for incorporated Clinton | Site plans typically required for new construction, additions, and accessory structures. Clinton manages its own permit office; unincorporated Henry County falls under county jurisdiction. |
| Morgan County | Morgan County Planning & Zoning; Versailles Building Department for incorporated Versailles | Lake of the Ozarks development is active in Morgan County; site plans required for new construction, additions, and accessory structures. Shoreline and floodplain projects may require additional Missouri DNR review. |
| Clinton County | Clinton County Planning & Zoning; Plattsburg Building Department for incorporated Plattsburg | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Clinton County falls under county jurisdiction. |
| Nodaway County | Nodaway County Planning & Zoning; Maryville Building Department for incorporated Maryville | Site plans typically required for new construction, additions, and accessory structures. Maryville manages its own permit office for properties within city limits. |
| Benton County | Benton County Planning & Zoning; Warsaw Building Department for incorporated Warsaw | Lake of the Ozarks and Truman Lake development is active in Benton County; site plans required for new construction, additions, and accessory structures. Floodplain development may require additional Missouri DNR review. |
| Vernon County | Vernon County Planning & Zoning; Nevada Building Department for incorporated Nevada | Site plans typically required for new construction, additions, and accessory structures. Nevada manages its own permit office; unincorporated Vernon County falls under county jurisdiction. |
| Wright County | Wright County Planning & Zoning; Mountain Grove Building Department for incorporated Mountain Grove | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Wright County have limited code enforcement; verify requirements with the local building department. |
| Perry County | Perry County Planning & Zoning; Perryville Building Department for incorporated Perryville | Site plans typically required for new construction, additions, and accessory structures. Perryville manages its own permit office for properties within city limits. |
| Ste. Genevieve County | Ste. Genevieve County Planning & Zoning; Ste. Genevieve Building Department for incorporated Ste. Genevieve | Site plans typically required for new construction, additions, and accessory structures. Historic district projects in incorporated Ste. Genevieve may require additional preservation board review. |
| Andrew County | Andrew County Planning & Zoning; Savannah Building Department for incorporated Savannah | Site plans typically required for new construction, additions, and accessory structures. Savannah manages its own permit office; unincorporated Andrew County falls under county jurisdiction. |
| Pike County | Pike County Planning & Zoning; Bowling Green Building Department for incorporated Bowling Green | Site plans typically required for new construction, additions, and accessory structures. Bowling Green manages its own permit office; unincorporated Pike County falls under county jurisdiction. |
| Dallas County | Dallas County Planning & Zoning; Buffalo Building Department for incorporated Buffalo | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Dallas County have limited code enforcement; verify requirements with the local building department. |
| Cooper County | Cooper County Planning & Zoning; Boonville Building Department for incorporated Boonville | Site plans typically required for new construction, additions, and accessory structures. Boonville manages its own permit office for properties within city limits. |
| Bates County | Bates County Planning & Zoning; Butler Building Department for incorporated Butler | Site plans typically required for new construction, additions, and accessory structures. Butler manages its own permit office; unincorporated Bates County falls under county jurisdiction. |
| New Madrid County | New Madrid County Planning & Zoning; New Madrid Building Department for incorporated New Madrid | Site plans typically required for new construction, additions, and accessory structures. Floodplain development near the Mississippi River may require additional Missouri DNR review and a Flood Plain Development Permit. |
| Moniteau County | Moniteau County Planning & Zoning; California Building Department for incorporated California | Site plans typically required for new construction, additions, and accessory structures. California manages its own permit office; unincorporated Moniteau County falls under county jurisdiction. |
| Macon County | Macon County Planning & Zoning; Macon Building Department for incorporated Macon | Site plans typically required for new construction, additions, and accessory structures. Macon manages its own permit office for properties within city limits. |
| Gasconade County | Gasconade County Planning & Zoning; Hermann Building Department for incorporated Hermann | Site plans typically required for new construction, additions, and accessory structures. Hermann's historic district may require additional preservation board review for projects within its boundaries. |
| Cedar County | Cedar County Planning & Zoning; Stockton Building Department for incorporated Stockton | Site plans typically required for new construction, additions, and accessory structures. Stockton Lake area development may require additional floodplain review. |
| Dent County | Dent County Planning & Zoning; Salem Building Department for incorporated Salem | Site plans typically required for new construction, additions, and accessory structures. Salem manages its own permit office; unincorporated Dent County falls under county jurisdiction. |
| Pemiscot County | Pemiscot County Planning & Zoning; Caruthersville Building Department for incorporated Caruthersville | Site plans typically required for new construction, additions, and accessory structures. Mississippi River floodplain development may require additional Missouri DNR review and a Flood Plain Development Permit. |
| Livingston County | Livingston County Planning & Zoning; Chillicothe Building Department for incorporated Chillicothe | Site plans typically required for new construction, additions, and accessory structures. Chillicothe manages its own permit office for properties within city limits. |
| Osage County | Osage County Planning & Zoning; Linn Building Department for incorporated Linn | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Osage County falls under county jurisdiction. |
| Madison County | Madison County Planning & Zoning; Fredericktown Building Department for incorporated Fredericktown | Site plans typically required for new construction, additions, and accessory structures. Fredericktown manages its own permit office; unincorporated Madison County falls under county jurisdiction. |
| Douglas County | Douglas County Planning & Zoning; Ava Building Department for incorporated Ava | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Douglas County have limited code enforcement; verify requirements with the local building department. |
| Mississippi County | Mississippi County Planning & Zoning; Charleston Building Department for incorporated Charleston | Site plans typically required for new construction, additions, and accessory structures. Mississippi River floodplain development may require a Flood Plain Development Permit and Missouri DNR 401 water quality certification. |
| Linn County | Linn County Planning & Zoning; Brookfield Building Department for incorporated Brookfield | Site plans typically required for new construction, additions, and accessory structures. Brookfield manages its own permit office; unincorporated Linn County falls under county jurisdiction. |
| Barton County | Barton County Planning & Zoning; Lamar Building Department for incorporated Lamar | Site plans typically required for new construction, additions, and accessory structures. Lamar manages its own permit office; unincorporated Barton County falls under county jurisdiction. |
| Montgomery County | Montgomery County Planning & Zoning; Montgomery City Building Department for incorporated Montgomery City | Site plans typically required for new construction, additions, and accessory structures. Montgomery City manages its own permit office; unincorporated Montgomery County falls under county jurisdiction. |
| Wayne County | Wayne County Planning & Zoning; Piedmont Building Department for incorporated Piedmont | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Wayne County have limited code enforcement; verify requirements with the local building department. |
| Ripley County | Ripley County Planning & Zoning; Doniphan Building Department for incorporated Doniphan | Site plans typically required for new construction, additions, and accessory structures. Current River area projects may require additional floodplain review and Missouri DNR coordination. |
| Bollinger County | Bollinger County Planning & Zoning; Marble Hill Building Department for incorporated Marble Hill | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Bollinger County have limited code enforcement; verify requirements with the local building department. |
| Ralls County | Ralls County Planning & Zoning; New London Building Department for incorporated New London | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Ralls County falls under county jurisdiction. |
| Howard County | Howard County Planning & Zoning; Fayette Building Department for incorporated Fayette | Site plans typically required for new construction, additions, and accessory structures. Fayette manages its own permit office; unincorporated Howard County falls under county jurisdiction. |
| DeKalb County | DeKalb County Planning & Zoning; Maysville Building Department for incorporated Maysville | Site plans typically required for new construction, additions, and accessory structures. Unincorporated DeKalb County falls under county jurisdiction. |
| Lewis County | Lewis County Planning & Zoning; Monticello Building Department for incorporated Monticello | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Lewis County falls under county jurisdiction. |
| Grundy County | Grundy County Planning & Zoning; Trenton Building Department for incorporated Trenton | Site plans typically required for new construction, additions, and accessory structures. Trenton manages its own permit office; unincorporated Grundy County falls under county jurisdiction. |
| St. Clair County | St. Clair County Planning & Zoning; Osceola Building Department for incorporated Osceola | Site plans typically required for new construction, additions, and accessory structures. Truman Lake area projects may require additional floodplain review and Missouri DNR coordination. |
| Iron County | Iron County Planning & Zoning; Ironton Building Department for incorporated Ironton | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Iron County have limited code enforcement; verify requirements with the local building department. |
| Ozark County | Ozark County Planning & Zoning; Gainesville Building Department for incorporated Gainesville | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Ozark County have limited code enforcement; verify requirements with the local building department before proceeding. |
| Caldwell County | Caldwell County Planning & Zoning; Kingston Building Department for incorporated Kingston | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Caldwell County falls under county jurisdiction. |
| Oregon County | Oregon County Planning & Zoning; Alton Building Department for incorporated Alton | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Oregon County have limited code enforcement; verify requirements with the local building department. |
| Hickory County | Hickory County Planning & Zoning; Hermitage Building Department for incorporated Hermitage | Site plans typically required for new construction, additions, and accessory structures. Pomme de Terre Lake area projects may require additional floodplain review. |
| Monroe County | Monroe County Planning & Zoning; Paris Building Department for incorporated Paris | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Monroe County falls under county jurisdiction. |
| Daviess County | Daviess County Planning & Zoning; Gallatin Building Department for incorporated Gallatin | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Daviess County falls under county jurisdiction. |
| Maries County | Maries County Planning & Zoning; Vienna Building Department for incorporated Vienna | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Maries County falls under county jurisdiction. |
| Carroll County | Carroll County Planning & Zoning; Carrollton Building Department for incorporated Carrollton | Site plans typically required for new construction, additions, and accessory structures. Carrollton manages its own permit office; unincorporated Carroll County falls under county jurisdiction. |
| Harrison County | Harrison County Planning & Zoning; Bethany Building Department for incorporated Bethany | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Harrison County falls under county jurisdiction. |
| Dade County | Dade County Planning & Zoning; Greenfield Building Department for incorporated Greenfield | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Dade County have limited code enforcement; verify requirements with the local building department. |
| Chariton County | Chariton County Planning & Zoning; Keytesville Building Department for incorporated Keytesville | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Chariton County falls under county jurisdiction. |
| Shannon County | Shannon County Planning & Zoning; Eminence Building Department for incorporated Eminence | Site plans typically required for new construction, additions, and accessory structures. Current River and Ozark National Scenic Riverways area projects may require additional state or federal review for floodplain or riparian development. |
| Clark County | Clark County Planning & Zoning; Kahoka Building Department for incorporated Kahoka | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Clark County falls under county jurisdiction. |
| Gentry County | Gentry County Planning & Zoning; Albany Building Department for incorporated Albany | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Gentry County falls under county jurisdiction. |
| Reynolds County | Reynolds County Planning & Zoning; Ellington Building Department for incorporated Ellington | Site plans typically required for new construction, additions, and accessory structures. Some rural areas of Reynolds County have limited code enforcement; verify requirements with the local building department. |
| Shelby County | Shelby County Planning & Zoning; Shelbyville Building Department for incorporated Shelbyville | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Shelby County falls under county jurisdiction. |
| Sullivan County | Sullivan County Planning & Zoning; Milan Building Department for incorporated Milan | Site plans typically required for new construction, additions, and accessory structures. Unincorporated Sullivan County falls under county jurisdiction. |
| Carter County | Carter County Planning & Zoning; Van Buren Building Department for incorporated Van Buren | Site plans typically required for new construction, additions, and accessory structures. Current River area projects may require additional floodplain review and Missouri DNR coordination. |