And then you had networks that developed.

Level 4 submerge system will engage soon.

And I said

Level 1 submerge system will engage soon.

Level 0 submerge system will engage soon.

Michael Pritchard Okay.

Sewer rat!

Sewers.

The sewers?

I mean, I cut through three years of engineering meetings, design and system integration, and introduced DEPTHX

This is what we're doing to ourselves.

(Laughter)

This is the old sewer.

125 for septic.

We know, because in the mid 19th century, wonderful Victorian engineers installed systems of sewers and wastewater treatment and the flush toilet, and disease dropped dramatically.

Fourteen people live in this place.

So I could go to this guatemalan village, Help them build their very first irrigation system

Tadpoles keep waterways clean by feeding on algae, reducing the demand on our community's filtration systems and keeping our cost of water low.

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

Give me a glass of water, please.

Please give me a glass of water.

A glass of water, please.

It makes you want to stop working and discuss my case?

It turns out, atrazine is the largest selling product for the largest chemical company in the world.

But by 1929, cities around the country had put in underground water pipes.

The ship sailed down the channel.

It was the greatest disaster in the history of the State of Santa Catarina.

Vampires really jam on sewer systems.

This is a plumbing part. It's called a ptrap.

The other one's down by the water.

Must've burrowed up from the sewers...

This ditch is in front of us?

And this is pure drinking water.

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

Likewise, we can work with oil and water systems.

Give me a glass of water, please.

Please use the water with economy.

Please don't waste water.

Please don't use more water than you need.

Please give me a glass of water.

Where in the sewers?

It's one of our sergeants, sir.

San Francisco is also spending 40 million dollars to rethink and redesign its water and sewage treatment, as water outfall pipes like this one can be flooded with seawater, causing backups at the plant, harming the bacteria that are needed to treat the waste.

Please conserve water in summer.

Give me a glass of water, please.