ESS.8.3.1 Water Quality

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temperature

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A measure of how hot or cold something is.

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Dissolved Oxygen

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Oxygen dissolved in water, important for fish and other aquatic animals.

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anoxic

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A complete absence of oxygen, or conditions where oxygen levels are extremely low.

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pH

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A measure of how acidic or basic a solution is.

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turbidity

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A measure of how clear water is.

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nitrates

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Nitrogen compounds used for growth by plants and algae.

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phosphates

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Phosphorous-based nutrients commonly found in fertilizers and pesticides.

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bioindicators

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A living organism that is able to indicate if the environment is healthy or not.

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eutrophication

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A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria.

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Macroinvertebrates

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Organisms without backbones, used as bioindicators to determine the level of pollution in a body of water.