I have pipes that carry it down into wetland.
Posted by Anita S. on October 23, 2006 at 5:13 PMRain goes into street storm drains, down a gradual slope in sewer pipes to a peripheral drain that loops the city, a very large pipe. It is then moved to one of two treatment plants, one at the southeast and one at the southwest corners of the City. There the water is largely purified and drained to the Bay or the Ocean.
Posted by Christopher Swan on July 20, 2006 at 4:25 PMGratuitious Harry Nilsson reference appreciated.
The trivial but sublime answer is "down".
Seeps into the ground and evaporates into the air.
Posted by Bobbie on July 13, 2006 at 12:28 AMIt soaks into the ground and back into the watershed.
Posted by Lynne on July 13, 2006 at 12:23 AMSouth Platte
Posted by Dave Barnes on July 12, 2006 at 5:29 AMIt goes into the ground, and then into my basement. It generally evaporates after a week or so.
Posted by Billbone on July 12, 2006 at 2:31 AMSome of it goes into the ground, the run-off flows into the gutters in the street, and is carried into storm drains that take it to the laguna, and eventually it flows into the river and into the sea (where it's swallowed by a whale, who grew so old he decomposed, and the basic elements are given back to the ocean, and the sea does what it oughta, and soon there's salty water...), some of it sinks into the aquifer. Some of it evaporates back into the atmosphere.
Posted by Jane on February 19, 2006 at 12:03 AMI live right on the coast. All the runoff goes directly into the sea.
Posted by Nick on February 11, 2006 at 3:24 PMIf it does go into a storm-water system, it would be great to locate your local point of entry into the natural water system - where the pipes empty into a river or ocean.
Posted by Kevin Kelly on October 3, 2005 at 6:50 PMIn to gravel drainage pits at the end of my downspouts. Hopefully, it becomes ground water for the trees, but if it does end up as runoff, it flows in to the nearby river.
Posted by Tim on September 23, 2005 at 8:58 PMInto my rainwater storage tank.
Outbuilding roof overflow goes through a nearby pond into the creek.
Method: walk downhill until you hit water.
Topozone.com.
Posted by John S. Quarterman on September 18, 2005 at 4:51 AMInto the aquifer.
Posted by path on September 15, 2005 at 4:00 AM1. Ask your local council
2. Ask the local conservation folks
3. Try following the storm-water drains to see where they go
4. Visit local streams, creeks, rivers etc and see
Down the street, to the Passaic River.
Posted by Christopher Wanko on September 12, 2005 at 8:49 PM

There are drains around town with little fish on them that say "Please do not dump". I believe they also say that the water eventually gets to the Aquifer, but I'd have to check again.
Posted by Destini on January 6, 2007 at 12:43 AM