LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY | Secretary Chuck Carr Brown, PhD.
A DEPARTMENT OF THE STATE OF LOUISIANA
Many decision support tools are currently available that may be utilized in evaluating and assessing nutrient loads and potential nutrient load management and reduction activities. These tools are available through state, federal, and other entities and may assist agencies and other stakeholders with nutrient management efforts. The following is a listing of identified decision support tools.
| Tool | Host Agency | Website |
|---|---|---|
| (2001) Action Plan for Reducing, Mitigating, and Controlling Hypoxia in the Northern Gulf of Mexico | USEPA | link |
| (2008) Hypoxia in the Northern Gulf of Mexico: An update by the EPA Science Advisory Board | USEPA | link |
| ADB – Assessment Database | USEPA/LDEQ | link |
| AFT Guide to Outcome Estimation Tools*NEW* | American Farmland Trust | link |
| AFT Soil Heath Tool Kit*NEW* | American Farmland Trust | link |
| Agricultural Best Management Practices (BMPs) | LSU AgCenter | link |
| Agriculture Innovation Strategy Dashboard *NEW* | USDA | link |
| Agricultural Operations Planning Tool; fertilizer, manure, pesticide application tool with 3 day forecasting | USDA | link |
| American Water Resources Association Policy Committee. 2012. Case Studies in Integrated Water Resources Management: From Local Stewardship to National Vision. Middleburg, Virginia. | AWRA | link |
| Annualized Agricultural Nonpoint Source (AnnAGNPS) model | USDA/ARS | link |
| AQUATOX | USEPA | link |
| BEACH Monitoring Program | LDHH | link |
| Best Management Practice (BMP) Manuals | LSU AgCenter | link |
| BioData - Aquatic Bioassessment Data for the Nation (USGS) | USGS | link |
| CAFO and/or agricultural production data | LDAF | link |
| Conservation Concerns Tool *NEW* | USDA | link |
| Conservation Effects Assessment Projects (CEAP) Cropland Assessment Reports | USDA/NRCS | link |
| CPRA Master Plan Predictive Modeling: Agriculture/Aquaculture (Potential For) Technical Report | CPRA | link |
| CPRA Master Plan Predictive Modeling: Arcadis Risk Assessment (Storm Damage) Model - Dr. Jordan Fischbach, RAND Corp | CPRA | link |
| CPRA Master Plan Predictive Modeling: Barrier Shoreline Morphology Model - Dr. Ioannis Georgiou, University of New Orleans | CPRA | link |
| CPRA Master Plan Predictive Modeling: Eco-Hydrology Model - Dr. Ehab Meselhe, University of Louisiana at Lafayette | CPRA | link |
| CPRA Master Plan Predictive Modeling: Fish & Wildlife Habitat Suitability Indices: American Alligator Habitat Suitability Index - Dr. Andy Nyman, Louisiana State University and LSU AgCenter | CPRA | link |
| CPRA Master Plan Predictive Modeling: Fish & Wildlife Habitat Suitability Indices: Muskrat Habitat Suitability Index - Dr. Andy Nyman, Louisiana State University and LSU AgCenter | CPRA | link |
| CPRA Master Plan Predictive Modeling: Fish & Wildlife Habitat Suitability Indices: River Otter Habitat Suitability Index - Dr. Andy Nyman, Louisiana State University and LSU AgCenter | CPRA | link |
| CPRA Master Plan Predictive Modeling: Storm Surge and Wave Model - Hugh Roberts, PE | CPRA | link |
| CPRA Master Plan Predictive Modeling: Vegetation Model - Dr. Jenneke Visser, University of Louisiana at Lafayette | CPRA | link |
| CPRA Master Plan Predictive Modeling: Wetland Morphology Model – Brady Couvillion, U.S. Geological Survey | CPRA | link |
| CropScape | USDA | link |
| CRSSP Imagery-Derived Requirements (CIDR) | USGS | link |
| Digital Soil Health Toolbox *NEW* | Soil Health Nexus | link |
| Discharge Monitoring Report (DMR) Pollutant Loading Tool | USEPA | link |
| ECHO Enforcement & Compliance History Online Compliance Database | USEPA | link |
| EDMS (Electronic Document Management System) – DMR data which isn’t entered in ICIS | LDEQ | link |
| Effluent standards | LDEQ | link |
| Enduring Arches: Building Conservation Finance Projects for Impact*NEW* | Gordian Knot Strategies | link |
| Fertilizer Use Data | USDA/ERS | link |
| Freshwater Network Floodplain Prioritization Tool | Freshwater Network | link |
| Forestry Best Management Practices (BMPs) | LDAF | link |
| Global Map of Water Funds *NEW* | The Nature Conservancy | link |
| GOMA Nutrients Reduction Decision Support Toolbox | GOMA | link |
| Green Infrastructure | USEPA | link |
| Gulf Coast Ecosystem Restoration Task Force (GCERTF) | USEPA | link |
| Gulf Coast Monitoring & Assessment Portal *NEW* | RESTORE-CMAP | link |
| Gulf Hypoxia Action Plan 2008 for Reducing, Mitigating, and Controlling Hypoxia in the Northern Gulf of Mexico and Improving Water Quality in the Mississippi River Basin | USEPA | link |
| Gulf Hypoxia Monitoring Implementation Plan | NOAA | link |
| Gulf of Mexico Data Atlas | NOAA | link |
| Gulf of Mexico Hypoxia Watch | NOAA | link |
| HAB Economic Impacts Data Dashboard *NEW* | Balmoral Group | link |
| HTF Success Stories *NEW* | HTF | link |
| I-DROP Conservation Practices Tracking for HTF States (Christianson)*NEW* | Illinois Drainage Research and Outreach Program | link |
| ICIS Integrated Compliance Information System) Permit Discharge Monitoring Report (DMR) Data | USEPA | link |
| International Stormwater BMP Database | USEPA | link |
| Iowa report - Agricultural Science and Technology (CAST) Report: Assessing the Health of Streams in Agricultural Landscapes: The impacts of Land Management Change on Water Quality | Iowa | link |
| Lake Pontchartrain Basin Foundation – Hydrocoast Map | LPBF | link |
| LAQUAL | LDEQ | link |
| LDEQ Ambient Water Quality Network data | LDEQ | link |
| LDEQ Discharge Monitoring Reports (DMRs) | LDEQ | link |
| LDEQ Louisiana Integrated Report Interactive Assessment Map *NEW* | LDEQ | link |
| LDEQ Nonpoint Source (NPS) Annual Reports | LDEQ | link |
| LDEQ Nonpoint Source Watershed Implementation Plans (WIPs) | LDEQ | link |
| LDEQ Sanitary Wastewater Compliance Assistance Training (SWAT school) | LDEQ | link |
| LDEQ Water Quality Integrated Reports | LDEQ | link |
| LDEQ. 2011. Louisiana’s Nonpoint Source Management Plan, 2011-2016 | LDEQ | link |
| Louisiana Administrative Code. May 2017. LAC Title 33 Part IX. Environmental Quality -Water Quality - Water Pollution Control | LDEQ | link |
| Louisiana Administrative Code. May 2017. Title 33, Part IX, Subpart 2, Section 2505. Permit Application and Special LPDES Program Requirements; Concentrated Animal Feeding Operations. | LDEQ | link |
| Louisiana Coastal Area Program (LCA), USACE Mississippi River Hydrodynamic and Delta Management Study (MRHDM) | USACE/CPRA | link |
| Louisiana Land Use Toolkit | Louisiana Department of Economic Development (LED) and the Center for Planning Excellence (CPEX) | link |
| Louisiana Municipal Association (LMA) | LMA | link |
| Louisiana State University Agricultural Center (AgCenter) Research & Extension. 2011. Publication 2806 – Poultry Environmental Best Management Practices BMPs | LSU AgCenter | link |
| Low Impact Development (LID) | USEPA | link |
| Lower Mississippi River Sub-Basin Committee on Gulf Hypoxia | USEPA | link |
| LSU Ag Center Environmental Concerns Poultry Topics | LSU AgCenter | link |
| LSUAg Louisiana Cover Crop Decision Making Tool *NEW* | LSU AgCenter | link |
| Model Landscape Code | LDEQ | link |
| Moving Forward on Gulf Hypoxia: Annual Report 2010 | USEPA | link |
| Moving Forward on Gulf Hypoxia: Annual Report 2011 | USEPA | link |
| National Agroforestry Center | USDA | link |
| National Hydrology Dataset (NHD) | USGS | link |
| National Park Service-USGS Water Quality Partnership Jean Lafitte National Historic Park and Preserve | NPS/USGS | link |
| National Pollutant Removal Performance Database | Center for Watershed Protection | link |
| National Resource Inventory (NRI) | USDA/NRCS | link |
| National Small Flows Clearinghouse (NSFC) | USEPA | link |
| National Stormwater Quality Database | USEPA | link |
| Nationwide Urban Runoff Program | USEPA | link |
| The Nature Conservancy and Partners Freshwater Network | TNC | link |
| Nitrogen in Agricultural Systems: Implications for Conservation Policy | USDA/ERS | link |
| NOAA Gulf of Mexico Ecosystems & Hypoxia Assessment (NGOMEX) modeling | NOAA | link |
| NOAA Gulf of Mexico Hypoxic Zone Monitoring Implementation Plan | NOAA | link |
| NOAA Habitat Priority Planner | NOAA | link |
| NOAA Southeast Area Monitoring and Assessment Program (SEAMAP) | NOAA | link |
| Nonpoint Source News Notes | USEPA | link |
| NRCS APEX (Agricultural Policy/Environmental eXtender) | USDA/NRCS | link |
| NRCS Code 590 for Nutrient Management Plans | USDA/NRCS | link |
| NRCS Long-Term Agriculture Research (LTAR) network of data collection sites at federal scale (ARS.USDA.gov/LTAR) | USDA/NRCS | link |
| NRCS Water Quality Index for Agriculture | USDA/NRCS | link |
| Nutrient Tracking Tool (NTT) | USDA | link |
| OpenNSPECT (Non-point Source and Erosion Comparison Tool, NOAA) | NOAA | link |
| OpTIS (Operation Tillage Information System Tool) *NEW* | CTIC, Dagan, TNC | link |
| Package Plants | LDHH | link |
| Police Jury Association of Louisiana | PJAL | link |
| R Sparrow *NEW* | USGS | link |
| R Tools dataRetrieval Package for hydrologic data (DeCicco and Hirsch)*NEW* | CranR | link |
| Recovery Potential Screening Tool *NEW* | USEPA | link |
| Report on Nonpoint Source Progress in Hypoxia Task Force States | USEPA/HTF | link |
| Reports on Point Source Progress in Hypoxia Task Force States | USEPA/HTF | link |
| River Runner water mapping interactive tool for US*NEW* | Sam Learner | link |
| Roth, J.L. and P.D. Capel. 2012. Changes in Water Budgets and Sediment Yields from a Hypothetical Agricultural Field as a Function of Landscape and Management Characteristics—A Unit Field Modeling Approach. U.S. Geological Survey. Scientific Investigations Report 2012–5203. | USGS | link |
| Scientific Assessment of Hypoxia in U.S. Coastal Waters | Joint Committee on Ocean Science and Technology | link |
| Sheeder, S.A. and B.M. Evans. 2004. Estimating nutrient and sediment threshold criteria for biological impairment in Pennsylvania Watersheds. Journal of the American Water Resources Association 40 (4): 881-888. | Penn State | link |
| Smaller Scale such as irrigation and other water removal out-of-channel | USEPA | link |
| Soil & Water Assessment Tool (SWAT) Modeling | USDA/ARS | link |
| SoilWeb | USDA-NCSS | link |
| SONRIS (Strategic Online Natural Resources Information System), CPRA | CPRA | link |
| Source Water Collaborative: Collaborative Toolkit Protecting Drinking Water Sources through Agricultural Conservation Practices | USDA/NRCS | link |
| SPARROW Model Mapping Tool *NEW* | USGS | link |
| Spreadsheet Tool for the Estimation of Pollutant Loads (STEPL), EPA Region 5 models | USEPA | link |
| State Water Programs: Nutrient Reduction Programs and Methods | ACWA | link |
| STEPL *NEW* | USEPA | link |
| STORET | USEPA | link |
| Stormwater | LDEQ | link |
| The National Small Flows Clearinghouse (NSFC) | USEPA | link |
| Tides and Currents | NOAA | link |
| Tiered collaborative strategies for reducing hypoxia and restoring the Gulf of Mexico | USDA/ARS | link |
| Tool for Bacterial Load Duration Curves | UT | link |
| U.S. Geological Survey – Water Resources | USGS | link |
| Urban Waters Outreach Toolkit | USEPA | link |
| USACE Beneficial Use of Dredged Material Program (BUDMAT) | USACE | link |
| USACE Engineer Research and Development Center (ERDC) | USACE | link |
| USACE Non-Cost Shared Programs | USACE | link |
| USACE Upper Mississippi River Restoration (UMRR) (formerly known as the Environmental Management Program or EMP) | USACE | link |
| USDA Economic Research Service (ERS) Data | USDA/ERS | link |
| USDA Economic Research Service (ERS) Report | USDA/ERS | link |
| USDA. 2010. Economic Research Service, State Fact Sheets – Louisiana | USDA | link |
| USDA/NRCS 2010 CEAP Project Assessment of the effects of conservation practices on cultivated cropland in the Upper Mississippi River | USDA/NRCS | link |
| USDA/NRCS 2011 CEAP Project Assessment of the Effects of Conservation Practices on Cultivated Cropland in the Ohio-Tennessee River Basin | USDA/NRCS | link |
| USDA/NRCS Assessment of the Effects of Conservation Practices on Cultivated Cropland in the Missouri River Basin | USDA/NRCS | link |
| USDA NRCS COMET-Planner Tool*NEW* | USDA | link |
| USDA NRCS Conservation Data Viewer*NEW* | USDA | link |
| USDA NRCS National Water and Climate Center Information Page*UPDATED* | USDA | link |
| USEPA and LDEQ Reports - DO TMDLs and/or nutrient TMDLs | USEPA/LDEQ | link |
| USEPA Biocriteria Stressor Identification | USEPA | link |
| USEPA CADDIS (Causual Analysis/Diagnosis Decision-making System) causual evaluations in aquatic systems | USEPA | link |
| USEPA Climate Change and Water | USEPA | link |
| USEPA Climate Change Indicators Information Page*UPDATED* | USEPA | link |
| USEPA CWSRF Best Practices Guide for Financing Nonpoint Source Solutions*NEW* | USEPA | link |
| USEPA Economic Guidance for Water Quality Standards | USEPA | link |
| USEPA Harmful Algal Blooms Online | USEPA | link |
| USEPA How’s My Waterway | USEPA | link |
| USEPA Model Ordinances to Prevent and Control Nonpoint Source Pollution | USEPA | link |
| USEPA MyWaters Mapper | USEPA | link |
| USEPA National Aquatic Resource Survey (NARS) | USEPA | link |
| USEPA Nitrogen and Phosphorus Data Access Tool (NPDAT) | USEPA | link |
| USEPA Nonpoint Source (NPS) Outreach Toolbox | USEPA | link |
| USEPA NPDAT - Active, Nutrient-Related Clean Water Act Section 319 Projects | USEPA | link |
| USEPA NPDAT - Facilities Likely to Discharge Nitrogen/Phosphorus (N/P) to Water data layer | USEPA | link |
| USEPA NPDAT - National Aquatic Resource Survey (NARS) N/P Values | USEPA | link |
| USEPA NPDAT - National Land Cover Dataset (NLCD) | USEPA | link |
| USEPA NPDAT - National Pollutant Discharge Elimination System (NPDES) Concentrated Animal Feeding Operations (CAFO) Summary | USEPA | link |
| USEPA NPDAT - SPARROW TN and TP Yields | USEPA | link |
| USEPA NPDAT - Water Quality Monitoring Sites with N/P (National Water Information System or NWIS) | USEPA | link |
| USEPA NPDAT - Water Quality Monitoring Sites with Nitrogen/Phosphorus (N/P) (STORage and RETrieval database or STORET) | USEPA | link |
| USEPA NPDAT - Waters Listed for N/P Impairments layer | USEPA | link |
| USEPA NPDAT - Waters with N/P TMDLs layer | USEPA | link |
| USEPA N-STEPS (Nutrient Scientific Technical Exchange Partnership and Support) | USEPA | link |
| USEPA Nutrient Indicators Dataset | USEPA | link |
| USEPA Nutrient Pollution Educational Materials Online | USEPA | link |
| USEPA Nutrient Pollution Policy and Data website (Nutrient microsite) | USEPA | link |
| USEPA Protocol for Developing Nutrient TMDLs | USEPA | link |
| USEPA Recover Potential Screening Tool | USEPA | link |
| USEPA Recovery Potential Screening Tool | USEPA | link |
| USEPA Report "Getting In Step: A Guide for Conducting Watershed Outreach Campaigns". 2010. EPA 841-B-10-002 | UESPA | link |
| USEPA report "Getting in Step: Engaging and Involving Stakeholders in Your Watershed" | USEPA | link |
| USEPA Report "Reactive Nitrogen in the United States: An Analysis of Inputs, Flows, Consequences and Management Options" 2011. A Report of the EPA Science Advisory Board (EPA-SAB-11-013) | USEPA | link |
| USEPA Source Water Protection Program | USEPA | link |
| USEPA Storm Water Management Model (SWMM) *UPDATED* | USEPA | link |
| USEPA Storm Water Management Model (SWMM) Training *NEW* | USEPA | link |
| USEPA Surf Your Watershed | USEPA | link |
| USEPA Urban Guidance Document, Publication Number EPA 841-B-05-004, November 2005 | USEPA | link |
| USEPA Watershed Planning | USEPA | link |
| USEPA Water Quality Portal | USEPA | link |
| USEPA. 2009. An Urgent Call to Action: Report of the State-EPA Nutrient Innovations Task Group | USEPA | link |
| USEPA. 2012. Louisiana Tangipahoa River: Reducing Human and Animal Waste Discharge Restored Recreational Uses | USEPA | link |
| USEPA’s Monitoring and Assessment Program | USEPA | link |
| USGS Cooperative Water Program | USGS | link |
| USGS EarthExplorer | USGS | link |
| USGS Global Visualization Viewer (GloVis) | USGS | link |
| USGS National Water Dashboard*NEW* | USGS | link |
| USGS SPARROW Mapping Tool*UPDATED* | USGS | link |
| USGS SPARROW Model | USGS | link |
| USGS Stream Stats Interactive Viewer*NEW* | USGS | link |
| Water Erosion Prediction Project (WEPP) | USDA | link |
Page Updated 05/06/2022