See link for more information:
https://mde.maryland.gov/programs/Water/TMDL/WaterQualityStandards/Pages/index.aspx?fbclid=IwAR1w467AvqTv9HxM9TdygXP-yPLL-l7DmhsMe4X3HCm4_GpyZhUTAm6mGns
