National Water Information System: Mapper. Search by Street Address: Search by Place Name: Search by Site Number(s): Search by State/Territory: Search by Watershed Region: Active Sites. Any data Instantaneous data Daily data Water-quality data Peak data Measurements Annual Report. Inactive Sites Any data

The National Water Information System (NWIS) provides access to data at over 1.5 million sites. There are 56 possible site types used in the NWIS data base, including 14 primary types and 42 secondary types.

Table of Sites (.html) List of Site Numbers (.txt) Microsoft Excel (.xls) Comma Separated (.csv) Tab Separated (.rdb) Keyhole Markup Language (.kml)

Esri, HERE, Garmin, NGA, USGS | + – 0

Water Resources of the United States—National Water Information System ...

There are 56 possible site types used in the NWIS data base, including 14 primary types and 42 secondary types. To simplify mapping of the site locations for most practical applications, the site types are displayed in 5 groups that include the following primary and secondary types.