Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Upper Brown Lake IA 01-NEM-6498

Approximately 7 miles NW of Sabula IA in S21 T85N R6E Jackson Co.

Assessments
Cycle
IR Category
2026 Draft
2
2024
2
2022
5
2020
2
2018
3
2016
3
Legacy Assessments
Cycle
Overall
2014
Not assessed
Details
Type
Wetland
Segment ID
6498
Segment Size
270 Acres
07060005
HUC12
  • 070600051201
Legacy ADBCode
IA 01-NEM-00228-L_0
Designated Uses
  • Class A1
  • Class BWW1
  • Class HH
Segment Memos 1
Upper Brown Lake is part of a backwater complex in Jackson County in Pool 13 of the Upper Mississippi River.
10/13/2020
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