Important Concepts in Water Management and the Flint Water Crisis

This set of flashcards covers essential concepts and statistics regarding water management, specifically focusing on the Flint water crisis and critical water system components.

What quote is attributed to James Collins in relation to leadership and change?

The lecture mentions a notable quote from James Collins, though the specific quote is not provided in the notes.

What are the five sources of lead according to the EPA?

1. Lead service line, 2. Copper pipe with lead solder, 3. Faucets/Fixtures.

What are some key demographic statistics about Flint, Michigan?

66 miles from Detroit, 54.1% Black or African American, 39% White, about 40% in poverty, average home value less than $30,000.

What major public health crisis occurred in Flint, Michigan?

The Flint water crisis, starting in 2014 and lasting until 2019, which contaminated drinking water with lead and possibly Legionella bacteria.

What triggered the Flint water crisis?

Flint changed its water source from treated Detroit water to Flint River without applying corrosion inhibitors.

What are Trihalomethanes (THMs)?

Disinfection byproducts that form when chlorine used for disinfecting tap water reacts with natural organic matter.

What are the health risks associated with elevated levels of THMs?

Negative health effects such as cancer and adverse reproductive outcomes.

What is the purpose of a pressure tank in a water well system?

To maintain pressure when the pump is not on and to store water for use.

What types of contaminants are commonly found in water wells?

Arsenic, nitrogen fertilizers, septic systems, industrial pollution, and flood waters.

How does ozonation in water treatment compare to chlorination?

Ozone is effective against bacteria and provides strong oxidizing power but has higher costs and does not provide residual protection.