LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY | Secretary Aurelia S. Giacometto
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 |
| ACWA Standing Principles on Nutrient Reduction | ACWA | link |
| AFT Guide to Outcome Estimation Tools | American Farmland Trust | link |
| AFT Soil Heath Tool Kit | American Farmland Trust | link |
| AFT Farmers' Guides to Soil Health Economics | American Farmland Trust | link |
| AFT Outcomes Estimation Tools Training Webinars | American Farmland Trust | link |
| Agricultural Best Management Practices (BMPs) | LSU AgCenter | link |
| Agricultural Operations Planning Tool; fertilizer, manure, pesticide application tool with 3 day forecasting | USDA | link |
| Agriculture Innovation Strategy Dashboard | USDA | link |
| American Agriculture's State, Regional, and National Initiatives to Reduce Nutrient Losses in the Mississippi River Basin (2021) | ANPC | 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 | LDH | link |
| Best Management Practice (BMP) Manuals | LSU AgCenter | link |
| BioData - Aquatic Bioassessment Data for the Nation (USGS) | USGS | under redevelopment |
| CAFO and/or agricultural production data | LDAF | link |
| CEQ Climate and Economic Justice Screening Tool | Council of Environmental Quality, The Executive Office | link |
| Climate-Smart Commodities Project Dashboard | USDA | link |
| Conservation Concerns Tool | USDA | link |
| CPRA Predictive Models and Modeling Webinars for 2017 Coastal Master Plan | CPRA | link |
| CropScape | USDA | link |
| CRSSP Imagery-Derived Requirements (CIDR) | USGS | link |
| Digital Soil Health Toolbox | 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 | Gordian Knot Strategies | link |
| Farmers' Guide to Soil Health Economics | FIC | link |
| Fertilizer Recommendation Support Tool | Multiple Contributors | link |
| Fertilizer Use Data | USDA/ERS | link |
| Forestry Best Management Practices (BMPs) | LDAF | link |
| Freshwater Network Floodplain Prioritization Tool | Freshwater Network | link |
| Global Map of Water Funds | The Nature Conservancy | link |
| Green Infrastructure | USEPA | link |
| Grow More | LSU AgCenter/NWF | link |
| Gulf Coast Monitoring & Assessment Portal | 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 | Balmoral Group | link |
| HTF Success Stories | HTF | 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 |
| LAQUAL Modeling for TMDL | LDEQ | link |
| LDAF Strategic Plan (2023-2028) | LDAF | link |
| LDEQ Ambient Water Quality Network data | LDEQ | link |
| LDEQ Discharge Monitoring Reports (DMRs) | LDEQ | link |
| LDEQ Nonpoint Source (NPS) Annual Reports | LDEQ | link |
| LDEQ Nonpoint Source Watershed Implementation Plans (WIPs) | LDEQ | link |
| LDEQ Water Quality Integrated Reports | LDEQ | link |
| LDEQ. 2023. Louisiana’s Nonpoint Source Management Plan, 2023-2027 | 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 Topics | LSU AgCenter | link |
| LSUAg Louisiana Cover Crop Decision Making Tool | LSU AgCenter | link |
| Lower Mississippi River Basin Research | MSU/NCAAR | 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 |
| Nitrogen in Agricultural Systems: Implications for Conservation Policy | USDA/ERS | link |
| NOAA Data Access Viewer | NOAA OFM | link |
| NOAA Gulf of Mexico Ecosystems & Hypoxia Assessment (NGOMEX) modeling | NOAA | link |
| NOAA Gulf of Mexico Hypoxic Zone Monitoring Implementation Plan | NOAA | link |
| NOAA National Centers for Coastal Ocean Science (NCCOS) Lake Pontchartrain Daily Satellite Imagery | 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 |
| One Good Idea | One Good Idea/SERA-46 | link |
| OpenNSPECT (Non-point Source and Erosion Comparison Tool, NOAA) | NOAA | link |
| OpTIS (Operation Tillage Information System Tool) | CTIC, Dagan, TNC | link |
| Outcomes Estimation Tools Training Webinar Series | Farmland Information Center | link |
| Package Plants | LDH | link |
| Police Jury Association of Louisiana | PJAL | link |
| Pontchartrain Conservancy (PC) Project Efforts | PC | link |
| R Sparrow | USGS | link |
| R Tools dataRetrieval Package for hydrologic data (DeCicco and Hirsch) | CranR | link |
| Recovery Potential Screening Tool | 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 | 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 |
| Soil & Water Assessment Tool (SWAT) Modeling | USDA/ARS | link |
| SoilWeb | USDA-NCSS | link |
| SONRIS (Strategic Online Natural Resources Information System) | DNR | link |
| Source Water Collaborative: Collaborative Toolkit Protecting Drinking Water Sources through Agricultural Conservation Practices | USDA/NRCS | link |
| State Water Programs: Nutrient Reduction Programs and Methods | ACWA | link |
| STEPL | USEPA | link |
| STORET/Water Quality Portal | USEPA/USGS/NWQMC | link |
| Stormwater Permit Resources | LDEQ | link |
| The National Small Flows Clearinghouse (NSFC) | USEPA | link |
| The Nature Conservancy and Partners Freshwater Network | TNC | 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 Mission Area | 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 Agriculture Innovaton Strategy Dashboard | USDA | link |
| USDA Conservation Effects Assessment Project (CEAP) | USDA | link |
| USDA Climate-Smart Commodities Projects Dashboard | USDA | link |
| USDA Conservation Assessment and Planning Tools | USDA NRCS | link |
| USDA Economic Research Service (ERS) Data | USDA/ERS | link |
| USDA Economic Research Service (ERS) Report | USDA/ERS | link |
| USDA Economic Research Service, State Fact Sheets – Louisiana | USDA | link |
| USDA Inflation Reduction Act Data Visualization Tool | USDA | link |
| USDA National Agricultural Statistics Service (NASS) Quick Stats Tool | USDA | link |
| USDA NRCS COMET-Planner Global Tool | USDA | link |
| USDA NRCS Conservation Data Viewer | USDA | link |
| USDA NRCS National Water and Climate Center Information Page | USDA | link |
| USDA/NRCS CEAP Project Assessment of the Effects of Conservation Practices | USDA/NRCS | link |
| US Drought Monitor State Pages | NOAA/NIDIS | link |
| USEPA and LDEQ Reports - DO TMDLs and/or nutrient TMDLs | USEPA/LDEQ | link |
| USEPA Biocriteria Stressor Identification | USEPA | link |
| USEPA Biorention Design | 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 | USEPA | link |
| USEPA CWSRF Best Practices Guide for Financing Nonpoint Source Solutions | USEPA | link |
| USEPA Harmful Algal Blooms (HABs) in Water Bodies | USEPA | link |
| USEPA How’s My Waterway | USEPA | link |
| USEPA Model Ordinances to Prevent and Control Nonpoint Source Pollution | 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 - Water Quality Monitoring Sites with Nitrogen/Phosphorus (N/P) (STORage and RETrieval database or STORET) | 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 website | USEPA | link |
| USEPA Protocol for Developing Nutrient TMDLs | 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) | USEPA | link |
| USEPA Urban Guidance Document, Publication Number EPA 841-B-05-004, November 2005 | USEPA | link |
| USEPA Vision for the Clean Water Act Section 303(d) Program | USEPA | link |
| USEPA Water Quality Portal | USEPA | link |
| USEPA Watershed Planning | 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 EGRET R Package for Weighted Regressions on Time, Discharge, and Season | USGS | link |
| USGS Global Visualization Viewer (GloVis) | USGS | link |
| USGS Groundwater Conditions Animated Data Visualization | USGS | link |
| USGS National Water Dashboard | USGS | link |
| USGS SPARROW Mapping Tool | USGS | link |
| USGS SPARROW Model | USGS | link |
| USGS Stream Stats Interactive Viewer | USGS | link |
| USGS WaterAlert Notification Service | USGS | link |
| Water Erosion Prediction Project (WEPP) | USDA | link |
| WaterFALL Enhanced Watershed Mangement | RTI International | link |
| Water Quality Trading Database (paper) | Liu and Brouwer (2023) | link |
Page Updated 11/06/2024