Water Quality

  • Calcium Data

    Why it matters in fresh water—and the risks of low levels

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  • Phosphorus Data

    Phosphorus is an essential nutrient for plants and animals. However, excessive phosphorus in surface water can cause explosive growth of aquatic …

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  • Secchi Readings (Clarity)

    If Secchi depth is measured in a lake for numerous consecutive years, the data can be analyzed for water quality trends. …

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  • Safe Soaps

    Fact: Even if soap (liquid or bar) is biodegradable, it is not safe to use directly in the river, lake …

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  • How to Report Blue-Green Algae

    If you wish to report it, take a photo and contact our local Ministry of Environment Conservation and Parks (MECP) Office …

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  • FACT SHEET ABOUT BLUE GREEN ALGAE

    Certain factors must occur for a blue-green algal bloom to form. High surface water temperatures, large amounts of sunlight and …

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