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Tennessee Hydrologic Determination Rules, SOP and Guidance for Qualified Hydrologic Professionals

Water Quality Training - Certification of Qualified Hydrologic Professionals and Standard Operating Procedures for Hydrologic Determinations:

Rules to implement a certification program for Qualified Hydrologic Professionals (QHPs):

Rules establishing a standard operating procedure (SOP) for making hydrologic determinations:

TN Statute:

Guidance for making hydrologic determinations:

Field Score Sheet Hydrologic Determination Field Data Sheet:

Tools and Information for Hydrologic Determination

TDEC Division of Water Resources Hydrologic Determination  Map Viewer:

TDEC DWR Quality System Standard Operating Procedure for MACROINVERTEBRATE STREAM SURVEYS:

TDEC Water Quality Reports and Qualifications:

Aquatic Restoration Alteration Permit (ARAP):

NRCS Web Soil Survey:

Enviromapper: a single point of access to select U.S. EPA environmental data. This web site provices access to several EPA databases to provide you with information about environmental activities that may affect air, water, and land anywhere in the United States. With Envirofacts, you can learn more about these environmental activities in your area or you can generate maps of environmental information:

Weather Tools and Information for Hydrologic Determination

CoCoRaHS - Community Collaborative Rain, Hail & Snow Network: "Volunteers working together to measure precipitation across the nations.":

National Centers for Environmental Information (NCEI) (formerly the National Climate Date Center):

NOAA Science and information for a climate-smart nation:

National Weather Service:

Summary of Drought for Tennessee:

Advanced Hydrologic Prediction Service – can get precipitation statistics:

NOAA Hydrometerological Design Studies Center Precipitation Frequency Data Server:

Relevant Tennessee and Federal Agency Information

Tennessee Department of Environment & Conservation (TDEC), Division of Water Resources—Provides information about the programs dedicated to protecting and improving Tennessee's Water Quality.:

US Army Corps of Engineers (COE), Nashville District—COE serves the region, the Corps, and the Nation by providing collaborative water resource engineering solutions, world class public infrastructure management, and environmental stewardship for the Cumberland-Tennessee River Systems.:

Lower Mississippi Gulf Water Science Center provides access to water resources information for the Lower Mississippi-Gulf. Our multi-state center spans Alabama, Arkansas, Louisiana, Mississippi and Tennessee.:

Tennessee Water Resources Research Center (TNWRRC) —is a federally designated state research institute supported in part by the U.S. Geological Survey. It serves as a primary link among water-resource experts in academia, government, and the private sector, and the diversity of its staff in terms of background and expertise enhances flexibility and positions the Center to establish productive partnerships. TNWRRC is housed within the Institute for a Secure and Sustainable Environment (ISSE) at the University of Tennessee Knoxville.:

US Geological Survey:

National Oceanic and Atmospheric Administration (NOAA):