Green sand from faucet? Home › Forums › Archives › Old Bulletin Board Archives › Green sand from faucet? This topic has 0 replies, 1 voice, and was last updated 21 years, 6 months ago by lhopk99567. Viewing 0 reply threads Author Posts 28 Aug 1999 at 4:39 pm #281444 lhopk99567 We have what looks like green sand coming from our hot water faucets and we dont know what is causing it. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.