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On-Site Water Protection Branch

Non-Point Source Pollution Program: Resources

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Maps

Census figures for 2000 and 2010 did not include the number of households using septic systems. However, as of 1990, nearly 50 percent of North Carolinians used septic tank systems. The map below illustrates the boundaries of the 17 watersheds in NC. Click on any watershed to see the density of onsite systems or view system statistics by county as of 1990.

North Carolina Watersheds Map

North Carolina Watersheds Map White Oak River Basin Cape Fear River Basin  Pasquotank River Basin Chowan River Basin Tar-Pamlico River Basin Neuse River Basin Roanoke River Basin Watauga River Basin Yadkin/Pee Dee River Basin Catawba River Basin Broad River Basin French Broad River Basin Savannah River Basin Little Tennessee River Basin Hiwassee River Basin Lumber River Basin New River Basin

County Stats

BMPs Checklists, Planning Tools, Training Materials, and Presentations

North Carolina Academic, Agency, and Organizational Links

National and International Academic, Agency and Organizational Links

Scientific and Professional Associations

Non-Point Source Program Information

On-Site Water Protection Branch Information