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Late August 2020 Hypoxia Report

Oxygen Conditions Better than Average Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem were better than average in late August 2020. The hypoxic water volume — areas with less than 2 mg/l oxygen — was 0.79 cubic miles compared to a historical  Read the Rest…


Early July 2020 Hypoxia Report

Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem were average in early July 2020. The hypoxic water volume — waters with less than 2 mg/l oxygen — was 1.35 cubic miles compared to a historical early July average (1985-2019) of 1.38 cubic  Read the Rest…


June 2020 Hypoxia Report

Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem continued to be better than average in June 2020. The hypoxic water volume — waters with less than 2 mg/l oxygen — was 0.56 and 0.90 cubic miles, respectively, during early and late June  Read the Rest…


May 2020 Hypoxia Report

Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem were better than expected in May 2020. The hypoxic water volume — waters with less than 2 mg/l oxygen — was 0.027 cubic miles, which is well below the May 1985-2019 average of 0.25  Read the Rest…


September Hypoxia Report

Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem were higher than average in September. The hypoxic water volume — waters with less than 2 mg/l oxygen — was 0.73 cubic miles in September, down from the 1.06 cubic miles seen in late  Read the Rest…


Late August 2019 Hypoxia Report

Maryland Department of Natural Resources monitoring data show that dissolved oxygen conditions in the Maryland portion of the Chesapeake Bay mainstem were near average in late August. This is a significant improvement from hypoxia results observed earlier this summer. The hypoxic water volume (waters with less than 2 mg/l oxygen) was 1.06 cubic miles in  Read the Rest…


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