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NWOWWC Water/Wastewater Treatment Climate Change

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Carl Goodwin

on 22 March 2016

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Transcript of NWOWWC Water/Wastewater Treatment Climate Change

Water Treatment, Climate Change: Implications and Challenges
Drinking Water
The only sustainable source - Precipitation
Water quality might also be affected in the following ways:

Dredging needed to offset lower water levels could re-suspend toxic chemicals;

higher water temperatures could decrease dissolved oxygen levels and increase the growth of algae and bacteria;

less runoff and stream discharge would reduce the flushing out of bays and dilution of organic matter and chemicals;
lower water levels could cause the disappearance of wetlands,

Droughts agricultural irrigation will contaminate runoff with fertilizers and toxic chemicals.

The impacts of climate change on water quantity and quality might also increase external pressures on the Great Lakes water supply. For instance, lower water levels in the Mississippi River system might create an increased demand for diversion of Lake Michigan water. Infiltration of salt water into the New York City water supply due to rising sea levels might result in a request for a diversion of Lake Ontario water.
Water and Climate Change
Water is the primary medium through which climate change impacts the earth's ecosystem and people.
Tree leaves capture rainwater and shade the roads that protect our water and wastewater systems
The precipitation has to go some where. The job of runoff is how water may travel across land underground, how it gets to other bodies of water and gets evaporated. An abundance of runoff causes flooding, which occurs when there is too much precipitation. There is three main ways for the water to get to the next stage
When the water accumulates on land with no close body of water to it, the water has no choice but to soak into the earth and becomes ground water. The water seeps beneath the earth's surface in soil pore spaces. Ground water is importance to plants and animals as it is a water source for them to use to survive. Ground water makes up about 20% of the worlds fresh water supply.
Ground Water
When the water flows from one highest point to the lowest, this is also runoff. Surface runoff is when the water travels through rivers and streams. Subsurface is when the water infiltrates rocks and soil. The water eventually all accumulates into larger bodies of water.
Surface and Subsurface

Our water and sewer lines support the foundation of the trees
Tree Foundation - Roots
We find them in our sewers
The Foundation of the Earth is built on
Our bodies are 50-65% water
70% of the Earth surface is water
99% of what we transport and treat is water
Many uncertainties remain about the timing and extent of climate changes of their societal impacts. Although changes in the hydrologic cycle and to water resource management systems will be significant.
Rain Gear
Are you prepared?
What can YOU DO?
Purchase LED lights
Purchase battery power tools
Purchase solar charging stations
Purchase hybird vehicles
Route planning
Right amount of flushing
Atmospheric Rivers
Rain Garden and Porous Pavement
Grow Algae in wastewater plants and use the algae for oils and such
Full transcript