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 Status Overall Category
2020 Pending 4
2018 Final 3
2016 Final 3
Legacy Assessments
2014 Final
2012 Final
2010 Final
2008 Final
2006 Final
2004 Final
Details
Type
River
Segment ID
109
Segment Size
3.76 Miles
HUC8
07060006
Legacy ADBCode
IA 01-NMQ-0150_0
Notes:
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.
Use Designations
  • Class A1
    Recreation : Primary contact
  • Class BWW2
    Aquatic Life : Warm Water Type 2
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