Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Black Hawk Creek IA 02-CED-546

from Hwy 58 (E 1/2 S27 T88N R14W Black Hawk Co.) to confluence with N. Fk. Black Hawk Cr. in S1 T87N R15W Grundy Co.

Details
Type
River
Segment ID
546
Segment Size
7.22 Miles
07080205
HUC12
  • 070802050601
Legacy ADBCode
IA 02-CED-0370_2
Designated Uses
  • Class A1 P
  • Class BWW1
  • Class HH
Segment Memos 1
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
Map
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Water Monitoring Network
Fish Kills
Recreation and Water Quality
BioNet Biological Assessment Sites
AQuIA Monitoring Sites