Canadian Sites

Mapping
Canada Interactive Atlas
Free Canadian Mapping data
Map Town - Alberta and more information

Data
PFRA Main Site (Prairie Farm Rehabilitation Administration)
PFRA Watershed Coverages

Environment Canada / Meteorological Service of Canada - Weather Office
Environment Canada / Meteorological Service of Canada - Climate Data
Environment Canada / Fresh Water Website

Water Survey of Canada - Homepage
Archived Hydrometric Data - HYDAT
WSC data products page
WSC Map and Data tool for real time stations

Alberta Environment / Groundwater Information Center

U.S. Sites

General Information
Water Word Glossary - Very extensive
Water Word Dictionary

United States Geological Survey (USGS) sites
Water use maps for the U.S.
Water Science for Schools - water questionnaire for education
Main USGS water site Contains data, maps and other information about U.S. water and water use.
USGS Water Data

Other U.S. Sites
U.S. operational and historic hydrologic data
Know Your Watershed General watershed information for the United States.
Surf Your Watershed This EPA site lets you find your watershed and information about it.
Groundwater Frequently asked questions - EPA Site
NASA Site with many sections including El Niño and Hydrologic cycle