Originally posted on Green Home Blog:
A household drain can seem like a convenient way to get rid of unwanted liquid waste – we’ve all been tempted to flush away dirty mop water or to just dump cooking oil down the sink and be done with it. But have you ever stopped to think about where all that water goes once it leaves your sight? While it may seems safe – that water has to be treated eventually, right? – in fact a lot of what goes down your drains will eventually end up back in natural waterways and maybe even back at your own faucet someday. So to help keep your water clean (and your water treatment facilities running smoothly), here are four things you should never put down the drain.