Official websites use .gov
A .gov website belongs to an official government organization in the
United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This site is set to be discontinued on December 31st, 2025. Please contact the USGS with any questions, concerns, or potential funding if this site is critical to your operations. Thank you.
Due to a lack of funding, this monitoring location is set to be discontinued on December 31, 2025.
