With rare exception, the USGS does not post information or materials unless they are produced in partnership with our agency.
Data are offered as a file or personal geodatabase, but can also be downloaded as a shapefile.
Your water might be affected by iron, a commonly occurring constituent of drinking water. Iron tends to add a rusty, reddish brown (or sometimes yellow) color to water, and leaves particles of the same color.
The USGS is a science bureau within the United States Department of the Interior.
The USGS Water Science for Schools Web site has a link to 'Water Science Glossary of Terms'.
The USGS Education website is your gateway to classroom resources.
Water leaving our homes generally goes either into a septic tank in the back yard where it evaporates or seeps back into the ground, or is sent to a sewage-treatment plant through a sewer system.
For general inquiries, call 1-888-ASK-USGS (1-888-275-8747) or use the online form.
There are USGS offices in each state. The USGS Headquarters office is located in Reston, Virginia.     
The USGS provides data on many different science topics. Most of it can be downloaded for free from our websites.