Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Hewitt Creek IA 01-NMQ-109

mouth (S29/30 T89N R2W Dubuque Co.) to confluence with Hickory Cr. in S21 T89N R2W Dubuque Co.

Assessments
Cycle
IR Category
3
Pending
4
4
3
3
Legacy Assessments
2014
2012
2010
2008
2006
2004
Details
Type
River
Segment ID
109
Segment Size
3.76 Miles
07060006
Legacy ADBCode
IA 01-NMQ-0150_0
Designated Uses
  • Class A1 P
  • Class BWW2
Segment Memos 1 memos
Prior to the 2008 IR cycle, this segment had only the Class B(LR) warmwater aquatic life designated use. Due to changes in Iowa’s surface water classification approved by U.S. EPA in 2008, this segment now has the presumptive Class A1 primary contact recreation designated use and the warmwater aquatic life designated use is now Class BWW2.
6/8/2020
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Water Monitoring Network
Fish Kills
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