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- EnviroMapper for Water
EnviroMapper for Water is a web-based Geographic Information System (GIS) application that dynamically displays information about bodies of water in the United States. This interactive tool allows you to create customized maps that portray the nation's surface waters along with a collection of environmental data. Find out about the health of a river near where you live.
- WATERS Services - The WATERS services are database and web based services providing user application friendly interfaces to complex analyses. These services make extensive use of the NHD and indexed program data in the RAD, and also integrate other WATERS program data in selected services. Designed as modular units, the services are being developed within a common architecture and each service will be available as it is completed.
- Ask WATERS
NEW! PILOT VERSION 1.0 -
Ask WATERS answers multi-program questions that draw on information from the databases linked through WATERS. This tool generates cross-program calculations, examines spatial relationships between programs, performs nationwide analyses, produces multi-program inventory reports for a given geographic area, and investigates interstate water quality issues.
- WATERS Expert Query Tool
WATERS Expert Query Tool is a web-based application that allows you to create your own queries to display or extract data concerning impaired and assessed waters and associated, approved Total Maximum Daily Loads.
- NHD Toolkit
 - The NHD Toolkit is a collection of ArcView extensions provided to assist in the understanding and use of NHD data and in the development of NHD applications and tools.
- Reach Indexing Tool (RIT) - Part of the NHD Toolkit, the National Hydrography Dataset Reach Indexing Tool (NHD-RIT) is an interactive GIS application that allows users to georeference surface water data using the National Hydrography Dataset (NHD). The process of identifying and assigning attributes to portions of the NHD is referred to as Reach Indexing.
- Web-based Reach Indexing Tool for WATERS (WebRIT) - The WebRIT is an Internet mapping tool that allows users to provide and update locational data for a wide variety of water programs. To help users identify locations, the WebRIT provides point and click tools along with reference data from various EPA and non-EPA data sources. The current WebRIT application supports users under the 319 and BEACH Act grant programs as well as NPDES permit applicants.
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WATERS Directory
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What kind of information can I find out using WATERS?
Where can I view this information?
Where can I access the data?
How does WATERS help EPA Office of Water meet its mission goals and needs?
How does WATERS use geography to integrate OW program data?
What is the design structure of WATERS?
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