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Potential threats to source water can come from a number of contaminants in both rural and urban communities. These two areas differ in sources of threats but in both cases Source Water is threatened by exposure to harmful chemicals.
Urban Threats
- Industrial emissions, spills and leaks
- Municipal sewage treatment discharges
- Landfill leachate
- Wastes from mining sites
- Runoff containing sediment, nutrients, bacteria, oil, metals, chemicals, pesticides, herbicides, fertilizer, road salts, pet droppings and litter
- Bacteria and petroleum products from recreational boating
Rural Threats
- On-site septic systems
- Leaking underground storage tanks (i.e. oil and gas)
- Agricultural runoff containing oil, grease, fertilizers, pesticides, bacteria, nutrients and manure
- Landfill leachate
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