There was some good news for the Chesapeake Bay.
An environmental groups found that there are more grasses and more oxygen in the water.
The results are from tests conducted by ShoreRiver.
Most of the rivers received a grade of B or C.
The group measures nutrient, oxygen, water clarity and clorophyll levels.
Elle Bassett with the environmental group told WBOC that the Wye and Miles rivers were still murky with phosphorous and nitrogen runoff giving them grades of C and B-minus for last year.