Hydrology and Hydraulics Training Material

Hydrology and Hydraulic Technical Resources
Engineering handbook and more.

Watershed and Flood Prevention Operations (WFPO) Program
This program provides technical and financial assistance to States, local governments and Tribes (project sponsors) to plan and implement authorized watershed project plans for the purpose of: watershed protection; flood mitigation; water quality improvements; soil erosion reduction; rural, municipal and industrial water supply; irrigation; water management; sediment control; fish and wildlife enhancement; and hydropower. 

Watershed Surveys and Planning Program
The purpose of the program is to assist Federal, State, and local agencies and tribal governments to protect watersheds from damage caused by erosion, floodwater, and sediment and to conserve and develop water and land resources. Resource concerns addressed by the program include water quality, opportunities for water conservation, wetland and water storage capacity, agricultural drought problems, rural development, municipal and industrial water needs, upstream flood damages, and water needs for fish, wildlife, and forest-based industries.

Types of surveys and plans include watershed plans, river basin surveys and studies, flood hazard analyses, and flood plain management assistance. The focus of these plans is to identify solutions that use land treatment and nonstructural measures to solve resource problems.

J. Percy Priest Lake Water Supply Study
Multiple municipal and industrial water users have requested that the Corps of Engineers reallocate storage in the J. Percy Priest Reservoir to provide additional water supply storage.  The Water Supply Reallocation Study and is authorized by the Water Supply Act of 1958, as amended. 

BASINS (Better Assessment Science Integrating point & Non-point Sources) with Climate Assessment Tool (CAT) Add In
BASINS is a multi-purpose environmental analysis system that integrates geographical information system (GIS), watershed data, and environmental assessment and modeling tools into one convenient package. BASINS CAT provides flexible capabilities for creating climate change scenarios. BASINS CAT can be used to assess the coupled effects of climate and land-use change, and to guide the development of effective management responses. 

Climate Ready Water Utilities
CRWU provides water sector utilities (drinking water, wastewater, and stormwater utilities) with the practical tools, training, and technical assistance needed to adapt to climate change by promoting a clear understanding of climate science and adaptation options.

Compliance Dashboard
The Compliance Dashboard shows trends in environmental compliance and enforcement for both surface waters and drinking waters across the US. The dashboards provide an easy-to-use summary of activities to answer questions like: which facilities are regulated, how many have been inspected or otherwise evaluated, and how many have alleged violations and have been subject to enforcement.

Domestic Water Demand by 12-Digit HUC for the Conterminous United States
This EnviroAtlas dataset includes domestic water demand attributes which provide insight into the amount of water currently used for indoor and outdoor residential purposes in the contiguous United States.

Drinking Water Treatability Database
The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities, first responders to spills or emergencies, treatment process designers, research organizations, academicians, regulators and others to access referenced information gathered from thousands of literature sources and assembled on one site. 

Financing Alternatives Comparison Tool (FACT)
FACT is a financial analysis tool that helps municipalities, utilities, and environmental organizations identify the most cost-effective method to fund a wastewater or drinking water management project. FACT produces a comprehensive analysis that compares financing options for these projects by incorporating financing, regulatory, and other important costs.

Groundwater and Drinking Water Resources
This site is home to a great variety of groundwater and drinking water resources. 

Handbook on Coordinating Funding for Water and Waste Water Infrastructure
Because there are numerous ways to coordinate funding for drinking water and wastewater infrastructure, the U.S. Environmental Protection Agency (EPA) surveyed six states – Arizona, California, Montana, New York, Pennsylvania, and Washington – to identify the keys to the success of their coordinated funding approaches. This handbook presents the lessons learned by these six states so that other states may understand the benefits and challenges of coordinating funding efforts.

MyWater is a tool that makes use of EPA ATTAINS Data for in Tennessee and Kentucky, as well as elsewhere in the county. It includes information regarding water quality, monitoring activities, drinking water sources, watersheds, an urban waters widget that shows local activities, new and expiring permits, and stream flow. 

National Contaminant Occurence Database
EPA developed the National Contaminant Occurrence Database to assemble and maintain a national drinking water contaminant occurrence database using information for both regulated and unregulated contaminants in public water systems.This site describes water sample analytical data that EPA is currently using and has used in the past for analysis, rulemaking, and rule evaluation. The data have been checked for data quality and analyzed for national representativeness.

Safe Drinking Water Information System
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations, as reported to EPA by the states. These regulations establish maximum contaminant levels, treatment techniques, and monitoring and reporting requirements to ensure that water systems provide safe water to their customers. This search will help you to find your drinking water supplier and view its violations and enforcement history since 1993.

Safe Drinking Water Hotline: (800) 426-4791

Regulated Drinking Water Contaminants
This page lists regulated contaminants, as well as sources of these contaminants and their potential health impacts. 

Water Contaminant Information Tool (WCIT)
WCIT is used by the water sector to prepare for, respond to or recover from drinking water and wastewater contamination incidents. WCIT includes comprehensive information about contaminants that could be introduced into a water system following a natural disaster, vandalism, accident or act or terrorism. There are currently over 800 priority contaminants of concern listed in WCIT.

Water Infrastructure and Resiliency Finance Center 
The Water Infrastructure and Resiliency Finance Center provides financial expertise to communities that are financing, drinking water, waste water and storm water infrastructure

Actual Evapotranspiration Modeling
This project applies evapotranspiration remote sensing at two scales, 1) across the full landscape at 1000 m MODIS resolution (as a component of the water budget to support water availability studies, and 2) on agricultural lands at 100 m Landsat resolution (for estimating crop water use). Actual ET (ETa) is produced using the operational Simplified Surface Energy Balance (SSEBop) model (Senay and others, 2013) for the period 2000 to present. 

Actual Evapotranspiration attributed to 12-digit Hydrologic Unit Code Watersheds data is available here

Aggregate Water Use Data System Web Services
The U.S. Geological Survey maintains national data bases of water-use information. The data are collected and compiled every five years for every state. This version of the Aggregate Water Use Dataset was compiled from the 1985 through 2005 compilations.

DayMet Precipitation Attributed to 12-digit Hydrologic Unit Code Watersheds
Daymet is a collection of algorithms and computer software designed to interpolate and extrapolate from daily meteorological observations to produce gridded estimates of daily weather parameters. Weather parameters generated include daily surfaces of minimum and maximum temperature, precipitation, humidity, and radiation produced on a 1 km x 1 km gridded surface over the conterminous United States, Mexico, and Southern Canada.

Drinking Water Research Topics
These U.S. Geological Survey webpages provide scientific data and information on the occurrence, fate, and transport of emerging and legacy contaminants in water resources, assessments of drinking-water sources, and the vulnerability of water supplies to contamination.

Drip Calculator
Enough unchecked drips in enough houses can add up to a flood of wasted water. Use USGS' handy drip calculator to see how many gallons of water can go down the drain if your drippy faucets keep dripping.

This fact sheet defines and explains the drier-than-normal conditions that result in water-related problems.

Groundwater Availability in the United States
This report examines what is known about the Nation's ground-water availability and outlines a program of study by the U.S. Geological Survey Groundwater Resources Program to improve our understanding of groundwater availability in major aquifers across the Nation.

National Water Census - Data Portal
At the National Water Census Data Portal you will find national estimates of water budget components for local watersheds, water withdrawal data for counties, tools to calculate statistics of daily streamflow records, modeled daily streamflow at ungaged stations, and access to records of aquatic biology observations.

Ohio River Basin Forecast Center
River forecasts for waters within the Ohio River Basin from the National Weather Service. Includes watches and warnings, observed and forecast precipitation, radar and satellite information, 30 day water resources outlook map, and a 90 day flood risk outlook map, climatological flows, climate change and other related information. 

Water Education Posters
Cartoon posters for grades K-12 on the subjects of wetlands, water use, wastewater, navigation, groundwater, coastal hazards, watersheds, water quality, and hazardous waste.

Water-Use Information Program
The U.S. Geological Survey's National Water-Use Information program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation with local, State, and Federal environmental agencies to collect water-use information. USGS compiles these data to produce water-use information aggregated at the county, state, and national levels.

Water Use Publications - USGS Tennessee
USGS' Tennessee Water Science Center has published a number of water-information reports on water quality. From this Web page, you can locate, view, download, or order scientific and technical articles and reports as well as general interest publications such as booklets, fact sheets, pamphlets, and posters resulting from the research performed by USGS scientists and partners.


Kentucky Geoportal
The Kentucky Geoportal is an award-winning data clearinghouse that provides easy and convenient ways to access and share geospatial data resources, including a great many water related geospatial datasets and data resources. Water related KY Department of Fish and Wildlife Resources datasets you can search for and find include: hunting and fishing access points and maps; blue water trails; boundaries of hunting areas including KY Wildlife Management Areas; conservation areas for bivalves; wetland birds, amphibians, and fish; and species richness bivalves and fish. 

Certification and Licensing Branch
The Certification and Licensing Branch is home to the drinking water and wastewater certification programs (as well as solid waste certification program). Through education and certification exams, these programs help ensure that the people charged with dealing with drinking water and wastewater are knowledgeable and capable of handling the responsibilities required of those positions.  

Green Hospitality Webpage
The Green Hospitality Web page is a place where owners, restaurant managers and hospitality professionals can learn ways to green their processes, measure those results and communicate the impacts to a public who is increasingly making more sustainable choices when purchasing goods and services. Resources include the Green Hospitality ManualBed and Breakfast Checklist, a performance worksheet, an electricity use tracker, and a water use tracker

Drinking Water Annual Compliance Report
The Safe Drinking Water Act requires that each state submit an annual report on public water system violations to the U.S. Environmental Protection Agency. These annual compliance reports must address violations of national primary drinking water regulations.

Drinking Water Acronyms and Definitions
Definitions of drinking water acronyms. 

Drinking Water State Revolving Fund
The Drinking Water State Revolving Fund is a 20-year loan program for planning, design and construction of drinking water infrastructure projects.  

Drought Mitigation and Response Plan
This 2008 plan provides statewide guidance to assess and minimize the impacts of a drought in Kentucky. 

Information for Water Treatment Professionals in Kentucky
This page has resources for all drinking water professionals associated with a public water system in Kentucky. The division of water also includes a page with listed technical resources

Kentucky Geoportal
The Kentucky Geoportal is an award-winning data clearinghouse that provides easy and convenient ways to access and share geospatial data resources, including a great many water related geospatial datasets and data resources. Division of water / water related datasets you can search for and find include KY Wild Rivers, TMDLs, floodplain permits, regulated dams, 305b water quality data, designated use waters, wellhead protection areas, combined sewer overflows, Municipal Separate Stormwater System (MS4) communities, groundwater monitoring wells, groundwater springs, state bioregions, Source Water Assessment and Protection Program data, permitted water withdrawals, priority watersheds, river mile points. 

Kentucky Watershed Viewer
The Kentucky Watershed Viewer is an interactive map capable of displaying a large variety of water related spatial data. Data layers include: KY Pollution Discharge Elimination System permit holders, permitted water withdrawals, river mile points, karst dye trace sites and flows, KY Division of Water priority watersheds, Wildlife Management Areas, wellhead protection areas, watersheds, designated use waters, exceptional and reference reach waters, 305b data (water quality), and municipal separate storm sewer systems (MS4s). 

Public Access Drinking Water Database
Use the public access drinking water database to find information about water systems in Kentucky excluding bottled water and semipublic water systems.

Special Appropriation Grants
Since 1996, Kentucky communities have received grant funding from the EPA for wastewater and drinking water infrastructure projects.  EPA refers to these projects as Special Appropriations Projects. 

Source Water Assistance Program
The Source Water Protection Assistance Program is designed to help communities pay for source water protection projects that will help prevent drinking water contamination. These funds, not to exceed $60,000 per project, are only available to public water systems (PWSs) or the entities they serve (e.g. towns, cities, counties, schools).

Water Resource Information System (WRIS)
The WRIS is comprised of strategic plans, water resource maps and publications, systems management information, reporting and regulatory requirements, guidance and training documents, procedural guidance and forms for project implementation and funding, and internet links to support services. Interactive maps in the system support planning and regionalization efforts. The interactive maps also facilitate drought monitoring and response, and rapid response to contamination emergencies. The GIS contains data for water and wastewater treatment facilities, water lines, water sources, storage facilities, sewer lines, and a database of non-spatial systems information. The GIS provides the fundamental data needed for the planning and emergency response activities. Using the GIS infrastructure data in computer models allows for cost-effective analysis of engineering alternatives, and facilitates the efficiencies needed to meet the needs of Kentucky's infrastructure development.

Water Supply Planning Webpage
Resources on the subject of water supply planning. Includes links to the two Area Development Districts (ADD) within the Basin: the Cumberland Valley ADD and the Pennyrile ADD

Wellhead Protection Program Website 
Information on Kentucky's Wellhead Protection Program (WHPP). Kentucky's WHPP is coordinated by the Division of Water's Water Quantity Management Section. Regulations require that counties develop county or regional water supply plans that assess the quantity of water used by their public water systems and formulate protection plans for the source waters used by those systems. The WHPP is designed to assist those communities relying on groundwater as their source to develop groundwater protection strategies.

Kentucky Geoportal
The Kentucky Geoportal is an award-winning data clearinghouse that provides easy and convenient ways to access and share geospatial data resources, including a great many water related geospatial datasets and data resources. KY Geological Survey / water related datasets you can search for and find include: oil and gas well locations; Class I and Class II disposal and injection wells; groundwater quality; water well and spring locations and data; and karst potential. 

Water Resources 104G National Research Grant Program
The United States Geological Survey, in cooperation with the National Institutes for Water Resources, provides matching grants to support research on the topics of water supply and water availability. Any investigator at an institution of higher learning in the United States is eligible.

State Resources - TN

Commercial Laboratories and Microbiological Laboratories for Drinking Water Analysis
Drinking water analysis laboratories across the state of Tennessee. 

Drinking Water State Revolving Fund Loan Program
Loans from this program are available for the Planning, Design, and Construction Phases of drinking water facilities. The funds may be used for all three phases or in any combination. Seven categories of projects have been established which should cover all types of drinking water projects. These categories include water quality problems, source or capacity, water storage, leakage problems, pressure problems, replacement or rehabilitation projects, and water line extensions.

Drinking Water Webpages
These webpages are home to a variety of drinking water publications and resources. Resources include annual reports of drinking water violations, a list of in state commercial laboratories, forms and applications and more. 

Drought Management Plan
The Tennessee Department of Environment and Conservation’s Drought Management Plan is a plan on water management during extended periods of below average rainfall and streamflow as a result of drought. One of the department's goals is to maximize the ability of TN water resources to support all of its uses.

Guidance for Developing Community Water System Drought Management Plans
This guidance is an effort to assist community water systems in developing drought management plans within the context of the state’s overall drought management plan.

Guidance for What to Do with a Well After a Flood
This guidance is intended to assist well owners on precautions to take after a flood event submerges the top of the well casing. 

Healthy Well Manual
This 2015 manual provides steps and resources for protecting your well or spring. 

Licensed TN Well Drillers and Installers
A list of licensed well drillers and installers in Tennessee.

Regional Water Resources Planning Guidelines for Tennessee
These guidelines include recommended procedures for regional water resources planning that should be utilized in other regions across the state.

Source Water Assessment Program
The Source Water Assessment Program assesses the potential contamination of public water system ground water and surface water sources. This webpage includes links to TN's 2003 Source Water Assessment Report, a 2009 Protection of Potable Water Supplies in TN Watersheds report, and source water videos 'Protecting the Source' and 'True Source Water Stories.' 

State Revolving Fund Program
Wastewater and drinking water loan programs administered by the state. 

Underground Injection Well Information
Information about underground injection wells, drinking water, and public safety. 

Water Resources Regional Planning
In late 2008, TDEC partnered with other regional planning experts to initiate a water resources planning pilot in two areas significantly impacted by the drought of 2007. One area, the North Central Tennessee region - including Sumner County, including Portland, Gallatin, Castalian Springs/Bethpage, White House and Westmoreland - is partially within the Cumberland River Basin.  This Web page includes planning study reports and overall guidelines for those interested in pursuing regional water resources planning in Tennessee.

Water Withdrawal Registration Program
The Division of Water Resources collects information on the withdrawal and use of water within Tennessee. The information is used to identify water uses and resources that may require management at critical times, especially drought conditions. The purpose of the program is to protect the water resources of Tennessee from over-utilization. This webpage includes Groundwater 305b Water Quality Reports and the withdrawal videos 'Hollow Ground: The Land of Caves, Sinkholes and Springs' and 'Drops of Water in Oceans of Sand.'

Wellhead Protection Program
The Wellhead Protection Program was established to protect public water systems using ground water from contamination. This program has an emphasis on the prevention of ground water contamination due to the difficulty in cleaning up the contamination once it occurs. This webpage has information about the program, protecting wellheads, sources of groundwater contamination, potentially harmful components of common household products, and more.  

Well Water Webpage
This webpage houses information and resources on well water. The page includes information about selecting a well drilling contractor, locating a well, potential sources of contamination, constructing a well, disinfecting a well, installing a pump, testing water quality, potential sources of contamination, well abandonment and more. 

Backyard Conservation Booklet
A guide to bringing conservation to you backyard. Topics include water conservation, nutrient management, backyard wetlands, and more. 

Municipal Resources

Water Services Department
The City of Brentwood, TN Water Services Department’s web site. Here you’ll find information pertaining to daily operations, rules and regulations for constructing water and sewer facilities and public education. 

Water Line Flushing Program
The Water & Sewer Department conducts a comprehensive water line flushing program throughout the Water Service Area. Flushing is a process that rapidly removes water from the City’s water piping system. Flushing uses water force to scour out materials that accumulate in the City’s pipes. Water pipes are usually flushed by opening fire hydrants.

Backflow and Cross Connection
Educational information about backflow and cross connection issues and what can be done to prevent them from occurring. 

Clarksville Fire Hydrant Flushing Program
Fire hydrant flushing is a routine maintenance process where hydrants are turned on to allow water to flow for several hours. Flushing is necessary to remove sediment and iron compounds from water mains and to circulate the water to help prevent stagnant water problems from developing.

Pretreatment Program
The Pretreatment Program is designed to reduce the level of potentially toxic pollutants discharged by industry and other non-domestic wastewater sources into municipal sewer systems, and thereby, reduce the amount of pollutants released into the environment from these sources. Click here to view or print the Clarksville Pretreatment Program.

Water Conservation Tips
Tips for conserving water from the City of Clarksville. 

Water Quality Reports
Numerous mandated tests are performed daily on Clarksville's water and these findings can be viewed within the yearly, Annual Drinking Water Quality Reports on this webpage. Reports data back to 2010. 

Water Webpages
An overview of Clarksville's water system and information about a variety of additional water related topics in Clarksville. 

Consumer Confidence Report
Information about the quality of drinking water in Cookeville, contaminants in drinking water, precautions, taste and odor, and ways to become involved. 

Water and Sewer Department Website
The website for the Cookville Water and Sewer Department. 

Water Treatment Plant
Information about Cookeville's Water Treatment Plan

Integrated Water Resources Planning
The Integrated Water Resources Planning (IWRP) project takes a holistic approach to managing water resources including drinking water, wastewater, reclaimed water and stormwater, along with their interaction and interrelation with the Harpeth River. The plan will provide the City of Franklin a “road map” for making investments to improve water resources with a focus on sustainability and consideration of regional goals and partnerships. This page includes the IWRP draft final report and appendicesHarpeth River FAQs, an IWRP fact sheetIWRP scope of work, and a video about the IWRP Integrated Water Plan. Additional links guide visitors to the Phase 1 Final Report, information about stakeholder and public involvement, and additional facts regarding the Integrated Water Plan and the Harpeth River

Line Flushing Program
The Water Management Department conducts a comprehensive water line flushing program throughout the City. Flushing is a process that rapidly removes water from the City’s water piping system. Flushing uses water force to scour out materials that accumulate in the City’s pipes. Water pipes are usually flushed by opening fire hydrants. Page contains links to more information about the City of Franklin Water Flushing Program and a Flush Zones Map and Schedule.

Water Conservation
Simple steps that consumers can take to help preserve our water supply for future generations.

Water Division Homepage
This page is home to information about Franklin's Water Treatment Plant. It contains links to the City's Water Treatment Plan Upgrades, a map of the City's Water Utility District, annual drinking water quality reports dating back to 2010. 

Water Conservation
Water conservation tips from the City of Hopkinsville.

Water Quality Concerns
A document created by the City that addresses common water quality concerns.

Water Quality Report
A water quality report for the City of Hopkinsville's drinking water. 

Annual Reports
Annual reports to the State Department of Environment and Conservation on Murfreesboro's stormwater program activities. A 2015 annual report on the City's drinking water quality is available here a 2016 report is available here. 

Cross Connection Control and Backflow Prevention Protection
This website is home to information about these issues and Murfreesboro's efforts to address them. The page links visitors to a Cross-Connection Control Procedures Manual and a list of cross-connection certified plumbers.

Pretreatment Program
The Environmental Protection Agency requires that a Publicly Owned Treatment Works (POTW) Facility with a design flow greater than 5 million gallons per day receiving pollutants from industrial users which could cause interference or pass-through at the POTW develop and implement a Pretreatment Program. This webpage is home to information about Murfreesboro's Pretreatment Program. 

Technical Specifications
Technical specifications from Mufreesboro's Engineering Department related to PlumbingRepurified WaterSewer, and Water.

Backflow Prevention
Information about requirements and safety practices aimed at preventing backflows. The City also provides this video for preventing backflow. 

Benefits of Tapwater
Learn more about how our community benefits from tap water.

Consumer Confidence Report
Read Metro Water Services’ annual consumer confidence report to find information about Nashville's drinking water.

Drinking Water and Wastewater Treatment
Metro Water also offers this video about drinking water treatment, as well as a helpful interactive explanation of wastewater treatment

Drought Management Plan
The purpose of this document is to identify trigger points and actions that Metro Water Services may take to protect the community during periods of drought. This document also provides a brief summary of the Department’s water supply system and applicable organizational structure.

Development Guides
These guides are intended to give developers of residential and commercial projects insight into Metro Water Service department’s policies and procedures.

Metro Water Services History
A history of Metro Nashville's Water Services. This page also links visitors to a History of Water Services video, as well as a history of the Cumberland River video, and a history of Nashville video

Preventing Lead in Drinking Water
Metro Water Services (MWS) views public health as a core part of its mission. MWS consistently provides safe, reliable water services that meet or exceed all state and federal standards for public health, including compliance with the Lead and Copper Rule. This webpage is home to additional information about lead, ways to reduce your risk, and links visitors to the following resources, such as the results of lead analysis since 1995. 

Water Conservation
Tips for conserving water and saving on your water bill. 

Water Quality Reports
Annual drinking water reports for Nashville dating back to 2010. 


Dam and Obstruction Related Pages and Resources
A variety of dam and dam removal related resources. Titles of related pages include How Dams Damage RiversHow Dams are RemovedMaps of Dams Removed in the USBenefits of Restoring Floodplains, and New dams Won't Solve Water Supply Needs.

Drinking Water
These pages contain information about Harpeth River Watershed's concerns regarding the City of Franklin's plans for expanding it's drinking water plant and increasing withdrawals from the Harpeth. 

Protect Our River Campaign
This webpage contains materials to help keep the community informed about the decisions being made that affect the Harpeth River's water quality. It includes recent press releases and an explanatory factsheets related to the watershed associations legal action's against the City of Franklin including: a Why Sue Franklin? factsheet; a Settlements with Smaller Sewer Plants factsheet; and a Lawsuit Summary factsheet. 

Sewage Treatment Plants
On this webpage HRWA explains why they believe their region needs a regional sewer and drinking water plan and provides wastewater recommendations. The site also provides a map of the Harpeth showing sewer treatment plants, drinking water plants, where contaminated groundwater is seeping into the river from the Egyptian Lacquer Plant, and where the river contains treated sewage or effluent.  

Successful Resolution of Clean Water Act Lawsuit
This page provides an overview of the settlement of the federal Clean Water Act citizen suit brought by HRWA against the City of Franklin in 2014. It provides an explanation of why HRWA filed the lawsuit, the terms of the settlement, what the settlement achieved, and what citizens can expect moving forward. This page includes links to related news coverage, the settlement itself, and more. 

Tennessee Drug Take Back Programs
Information about TN drug take back programs and advice for safely disposing of old or unused medicines. This site includes a link to this pdf for finding a take back location near you. 

Water Quality and Sustainability
HRWA's Water Quality and Sustainability efforts focus on ensuring that policies and regulations are in place that support water quality. Efforts involve shaping growth and the built human landscape so that the ecological health of the river and its watershed is maintained and improved.  HRWA's expertise include watershed management and planning, stormwater management and regulations, clean water law and regulations, federal and state permitting and local planning and zoning, and land use planning.  This page includes links to HRWA's Protect Our River Campaign, Sewer work, Drinking Water efforts, Toilet to Tap, Egyptian Lacquer's point source pollution, Lowhead Dam Removal, and other science related efforts. This page also links visitors to a number of watershed plans including: theFive Mile Creek Watershed; the headwaters; the West HarpethJones Creek and the South Harpeth

Best Practices
River Network provides an explanation of best management practices by the following topics: Managing urban runoffReducing farm and ranch pollutionAddressing industrial and other point sourcesImproving sewage treatmentIncreasing protection for drinking water sourcesTackling energy and mining pollution.

Community Water-Energy Savings Calculator
The Community Water-Energy Savings Calculator is designed to provide an estimate of the amount of water, energy, CO2 and financial savings associated with indoor water efficiency improvements at the community level. 

Increasing Protection for Drinking Water Sources
Best management practices for increasing protection for drinking water sources. This page includes links to related resources such as Investing in Forested Landscapes for Source Water Protection in the United States by World Resources Institute, Linking Source Water Protection and TMDLS by Water Research Foundation, and Source Water Protection Resource Community by American Water Works Association.

Drought in the South: Planning for a Water-Wise Future (2009)
A look at drought related issues facing the South and how to plan and prepare for them.