Maryland's Final Combined 2020-2022 Integrated Report of Surface Water Quality

In compliance with Sections 303(d), 305(b), and 314 of the Clean Water Act, the Maryland Department of the Environment (MDE) is pleased to announce that the Final Combined 2020-2022 Integrated Report of Surface Water Quality (IR) was approved by EPA on February 25, 2022.  

Please contact Becky Monahan at 410-537-3947 or with any questions.​​

2020-2022 IR Fact Sheet​

2020-2022 Draft Integrated Report Announcement​

2020-2022 Public Meeting Presentation Recording 1-5-22 (Youtube)​

2020-2022 Public Meeting Presentation Slides 1-5-22 ​

2020-2022 IR Final Assessment Databa​​se (Excel)​


​​​Maryland's Final Combined 2020-2022 Integrated Report of
​Surface Water Quality
​​EPA's Letter Approving Maryland's Combined 2020-2022 Integrated Report of Surface Water Quality

Final 2020-2022 EPA Approval Letter (290 KB)

Full Report: 
​Final Combined 2020-2022 Integrated Report (Does not include assessment lists.  See Parts F.2 - F.8 below)

​Final 2020-2022 IR Full Report​ (3,226 KB)
​​​Report Sections: 

Parts A - E (Including Cover Page, Table of Contents, List of acronyms &​​ Acknowledgements) 

Parts F - F.1 (Describes Assessment List Format)

Final 2020-2022 Parts F- F.1​ (16 KB)

Part F.2 - Category 2 Waters

Final 2020-2022 Part F.2 (741 KB)

Part F.3 - Category 3 Waters

Final 2020-2022 Part F.3 (246 KB)

Part F.4 - Category 4a Waters

Final 2020-2022 Part F.4  (1,118 KB)

Part F.5 - Category 4b Waters

Final 2020-2022 Part F.5 (88 KB)

Part F.6 - Category 4c Waters​​​

Final 2020-2022 Part F.6​ (142 KB)

P​​art F.7 - Category 5 ​Waters

Final 2020-2022 Part F.7 (673 KB)

​Part F.​8 - Catego​​ry 5s ​Waters​​
Final 2020-2022 Part F.8 (127 KB)

​Part G - Special Assessments

Final 2020-2022 Part G​ (1,871 KB)

​Part H - Assessment Methodologies
Final 2020-2022 Part H (254 KB)
​Part I -  Report Sections and Assessments Changed During the Public Comment Period 
​​​Final 2020-2022 Part I​ (13 KB)


Final 2020-20​22 References​ (65 KB)​​


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