Pipes in the street, home or your hot water tank may be rusting. If the discolored water is coming only from the hot water tap, the source is likely your water heater or home plumbing. Consult a licensed plumber. If the problem flows from both hot and cold, you may contact us at (406) 721-5570.
More information can be found at the Environmental Protection Agency’s website at http://www.epa.gov/safewater/faq/faq.html