Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Shell Rock River IA 02-SHL-783

from south corporate limit of Shell Rock (S12 T91N R15W Butler Co.) to confluence with Flood Cr. in S27 T93N R16W Butler Co.

Assessments
Cycle
IR Category
5
5
5
5
Legacy Assessments
2014
2012
2010
2008
2006
2004
2002
2000
1998
1996
1994
1992
Details
Type
River
Segment ID
783
Segment Size
18.1 Miles
HUC8
07080202
Legacy ADBCode
IA 02-SHL-0010_2
Designated Uses
  • Class A1 P
  • Class BWW1
  • Class HH
Segment Memos 1 memos
Prior to the 2008 IR cycle, this segment had only the Class B(WW) warmwater aquatic life (including fish consumption) 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 continues to have Class BWW1 warmwater aquatic life and Class HH (human health/fish consumption) designated uses.
6/17/2020
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Water Monitoring Network
Fish Kills
BioNet Monitoring Sites
AQuIA Monitoring Sites