Seeing as how this winter promises to be a wet one, San Francisco Public Utilities Commission is offering big ol' barrels in which to catch precious rain water. San Francisco Sewers Blog reports, that as of this past Saturday, "San Francisco residents can purchase up to ten fully outfitted 60-gallon rain barrels at steep discounts, compliments of the San Francisco Public Utilities Commission’s (SFPUC’s) Wastewater Enterprise."

Originally used for food storage, the re-purposed barrels can be found at The Urban Farmer Store at 2833 Vicente Street (at 40th Avenue). You first barrel goes for $89 each, with additional barrels costing you $69. RThey even have spigots at the bottom.

What's the point of rainwater harvesting, you ask? Well, according to SFUC, you can help "keep relatively clean water out of the combined sewer system and make it available for use," "reduce the energy and chemicals needed to treat stormwater in San Francisco’s combined sewer and the energy expended transporting water from far away, "reduce the volume and peak flows of stormwater entering the sewer, thereby reducing flooding and combined sewer overflows, " and "reduce the volume of potable water used for non-potable applications such as irrigation and toilet flushing."

Read more about rainwater harvesting here. If you DIY types want to make your own closed-top rain barrel system, here's a handy video for you, too.