Dissolved Oxygen. In the Connecting Channels and in the upper waters of the Lakes, the dissolved oxygen level should be not less than 6.0 milligrams per litre at any time; in hypolimnetic waters, it should be not less than necessary for the support of fish life, particularly cold water species.
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Sources: Great Lakes Water Quality Agreement
Dissolved Oxygen. In the Connecting Channels connecting channels and in the upper waters of the Lakes, the dissolved oxygen level should not be not less than 6.0 milligrams per litre at any time; in hypolimnetic waters, it should be not less than necessary for the support of fish lifefishlife, particularly cold water species.
Appears in 1 contract
Sources: Great Lakes Water Quality Agreement
Dissolved Oxygen. In the Connecting Channels connecting channels and in the upper waters of the Lakes, the dissolved oxygen level should not be not less than 6.0 milligrams per litre liter at any time; in hypolimnetic waters, it should not be not less than necessary for the support of fish life, particularly cold water species.
Appears in 1 contract