AGSM 105 Exam 2 On Exam Personal

Drip Irrigation

Filtration Required

Common Well Casing Materials

Carbon steel, stainless steel, plastic

Submersible Turbine Pump

Provides Pressure (PSI) and Flow (gpm)

Artesian Well

Ground water that in under pressure when trapped by a well and is able to rise above the level at which it is first encountered

Flow Meter

To measure amount of water used

Flow Meter Properties

Up stream is city, municipal and downstream is landowner

Mainline pipe from the main city with lots of water

Tap that goes to water meter

Bad decisions made with good intentions are still bad decisions

James Collins

5 Sources of Lead in Drinking Water from the EPA

1. Lead service line

2. Copper pipe with lead solder

3. Faucets/Fixtures

4. Surface of Galvanized pipe

5. Lead Goose Necks

What did flint have when they started to treat the water and why?

Byproducts, specifically TTHM, from overtreatment

Why did Flint violate the Safe Drinking Water Act?

High TTHMs - byproducts from chlorine reacting with organic matter, some possibly carcinogenic.

What do we mean by saline water?

Contains significant amounts of dissolved salts and measured in ppm. 10,000 ppm = 1% of water weight

Freshwater

Less than 1,000 ppm

Slightly saline water

1,000 - 3,000 ppm

Moderately saline water

3,000 - 10,000 ppm

Highly saline water

10,000 - 35,000 ppm

Ocean Water

Around 35,000 ppm

Dead Sea`

280,000 ppm

Distilled water removes what minerals

Calicum, Magnesium, Sodium

Reverse Osmosis

40% of water is wasted in small scale units

Perth, Australia’s famous desalination plants

45% of their freshwater comes from the sea