Conowingo Hydroelectric Project / Constellation Energy Generation, LLC (formerly Exelon Generation Company, LLC)

Annou​​nc​ements

MDE is currently reconsidering the Clean Water Act, Section 401 Water Quality Certification 17-WQC-02 issued to Constellation Energy Generation LLC (formerly Exelon) in 2018.
A limited public notice related to Water Quality Certification 17-WQC-02 was issued by MDE on June 30, 2023. Public comments in response to the notice as well as supplemental briefing materials from parties to the reconsideration can be found below.

Public Comments
Please note that personally identifiable information (such as e-mail addresses and mailing addresses) has been removed from individual citizen comments.​

Public Notice Comments

 
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Documents From Parties to the WQC Reconsideration

August 1, 2023 Supplemental Briefing from Constellation Energy Generation LLC

 

August 1, 2023 Supplemental Briefing from Waterkeepers Chesapeake & Lower Susquehanna Riverkeepers

 

August 16, 2023 Supplemental Reply from Constellation Energy Generation LLC

August 16, 2023 Supplemental Reply from Waterkeepers Chesapeake & Lower Susquehanna Riverkeepers

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More information is available on MDE's Conowingo Dam Impacts web page:

 https://mde.maryland.gov/programs/water/TMDL/TMDLImplementation/Pages/Conowingo-Dam-Impacts.aspx

For information on MDE’s freshwater mussel restoration efforts, please visit:

 https://mde.maryland.gov/programs/water/WetlandsandWaterways/Pages/freshwater-mussel-restoration.aspx

Legal Challenges

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Conowingo Hydroelectric Project Water Quality Certification Application​​​​​

See contents

 
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Related Docume​nts

Conowingo Pilot Dredge Project