Michael Pritchard Okay.

Sewage.

The waste systems all connect.

They had pumps to keep the water out of the foundations.

Tunnels leads to the sewers, sewers lead to the storm drains... Storm drains leads to sea.

The school drains the pool once a month.

Some cities just release the water.

They literally flipped the switch.

Lately he'd been living in one of the downtown storm drains.

I mean . . .

I want a map covering the storm drain system in this area.

You can get a drainage grant these days.

We drain it and she'll fry.

It's horrible!

The consequence?

It's in the water.

It has to substantially eliminate emissions of ammonia, nutrients, pathogens, heavy metals, odors, and have zero discharge of wastewater to ground or surface waters.

Sewage treatment facility.

People are suffering from the contamination of the water supply.

Thanks, when we want your help, we'll get out the drain cleaner.

I want a man at every other drain entrance along this line.

I urged the audience to consider getting behind some of these big, wild causes

The waste water that leaks out is water that already now goes into that coastal environment, and the algae that leak out are biodegradable, and because they're living in waste water, they're fresh water algae, which means they can't

Similarly, many other issues concerning public safety is a hot topic on the Internet.

The dome has an incredible amount of water that washes off of it, as well as wastewater.

The water was fouled by oil.

F4 are those sort of guys? No way!

This is the city of San Francisco, which has 900 miles of sewer pipes under the city already, and it releases its waste water offshore.

So different cities around the world treat their waste water differently.

It leaks. It's struck by lightning.

He'll head down this drain to where it comes out of the Rio Hondo.

Standing pools gather filth.

All drains lead to the ocean, kid.

Do they, perhaps, include green infrastructure, so that we can take runoff and water that's going out of our houses and clean it and filter it and grow urban street trees?

Big structures often had drainage tunnels into the sewers in case of flooding down in the subbasements.

Water, water, water.

The lake is notorious for its contamination.

Go ahead if you can stand that filthy stuff.

They could contaminate drinking water on a massive scale.

into our atmosphere,

The house has pipes under the ground to carry dirty water away.

So, in fact, it's not permanently in the high seas.

Now how many of you have ever gone to a state park or a national park where you had a big sign at the front saying,

So let me show you how the system works.

Here's an image of what we could do in San Francisco Bay.