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http://www.eomf.on.ca/media/k2/attachments/Living_By_Water___Module_5___Water_Quality.ppt
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Water Pollution
Types of Pollution Chemicals Bacteria Sediment Nutrients
Sources of Pollution Industry Individuals
Mod
ule
5:3
Bacteria: Solutions
1. Proper septic system installation
2. Proper septic system maintenance Regular inspections Regular pump-outs Reduce input Protect filter bed Improve system when increasing load
Mod
ule
5:9
Bacteria: Solutions
3. Pick up after pets
4. Don’t feed the waterfowl
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5:10
Photo credit: Wisconsin DNR
2. Sediment
Sources:
Dirt roads & paths
Gardens & farm fields
Imported beach sand
Construction
Increased by:
Removing plants
Adding hard surfaces
Altering the natural
watercourse
Mod
ule
5:11
Sediment: Solutions
1. Maximize vegetation
2. Cover exposed soil
3. Minimize hard surfaces
4. Avoid altering water courses & shorelines
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5:14
3. Nutrients
Sources:
Fertilizers
Detergents & cleaners
Septic system leachate
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ule
5:15
Photo credit: Washington State Department of Ecology
4. Chemicals
Sources: Household cleaners Paints & solvents Gas, oil, antifreeze, break fluid & grease
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5:19
Chemicals: Impacts
Poses health risks to us
Contaminates drinking water
Alters pH balance
Harmful to wildlife and aquatic life
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5:20
Chemicals: Solutions
1. Alternative cleaners Non-toxic All ingredients disclosed Plant-based Phosphate & petroleum free Biodegrade quickly
2. Vinegar, baking soda, borax
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5:21
Chemicals: Solutions
5. Fill up and repair away from the water
6. Clean-up spills properly & immediately
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5:23
Testing Your Drinking Water
Test for bacteria regularly
Test for other contaminants if you suspect a problem
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5:25
Interpreting Bacterial Test Results
Only water with a count of 0 Total Coliform and/or 0 E.coli is safe to drink
Sterilize contaminated water
Identify source of problem & fix it
Adopt preventative habits
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5:26
Testing Your Surface Water
Professional tests: Take samples and send to
a lab
Tests you can do yourself: Water clarity Temperature Dissolved oxygen Total phosphorus
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ule
5:27
Photo credit: www.co.snohomish.wa.us/publicwk/swm/lakes
Case Study:“Watershed Watch”
Mississippi and Rideau Valley watersheds
Relies heavily on volunteer monitoring
Establishes baseline data
Will give an indication of lake health
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ule
5:28
Every Little Bit Helps
Take action!
Encourage others
Learn more
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5:29
Courtesy of: Jennifer Brownlee