Sand Filters

Sand filters have proven effective in removing several common pollutants from storm water runoff and are increasingly being used in the District and some local suburbs.

Sand Filters

Discussion Policy
Comments that include profanity or personal attacks or other inappropriate comments or material will be removed from the site. Additionally, entries that are unsigned or contain "signatures" by someone other than the actual author will be removed. Finally, we will take steps to block users who violate any of our posting standards, terms of use or privacy policies or any other policies governing this site. Please review the full rules governing commentaries and discussions. You are fully responsible for the content that you post.
© 2005 The Washington Post