Dissolved Oxygen (DO) - Gov
On the other hand, if oxygen levels are too low in the water, fish and other animals may suffocate and die. For example, oxygen cannot enter the water ... dissolved oxygen and higher %DO while warmer, polluted waters will have lower mg/L and %DO. Healthy water should generally have dissolved oxygen concentrations above 6.5-8 mg/L
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Oxidation-Reduction Potential (ORP) - Gov
www.enr.gov.nt.caOxidation-reduction potential (ORP) measures the ability of a lake or river to cleanse itself or break down waste products, such as contaminants and dead plants and animals. When the ORP value is high, there is lots of oxygen present in the water. This means that bacteria that
Conductivity - Gov
www.enr.gov.nt.caThe salts come from rocks that have been broken down by water flowing over them, ... not be able to keep water in their bodies. Fish and animals that live in saltier water such as in the ... For example, oil does not conduct electricity well, so water pollution by oil would not be detected by measuring water conductivity. Low Conductivity (0 to ...
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