USGS Surface Water Information
New & Noteworthy
Today's Water Conditions
View maps of current and historical conditionsStreamflow
Flood and high flow
Surface water quality
USGS in Your State
USGS Water Science Centers are located in each state.
Other Water Sites
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Technical Memorandum Summaries for Surface Water
The headings listed below provide summaries of and links to technical memorandums of the Office of Surface Water and other Water Resources Division units that concern surface-water data, analysis, and publication policies and related topics. Theses memorandums are generally current and supersede previous memorandums issued under the same headings.
List by topic.