Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Willow Creek IA 02-CED-6593

from mouth (T99N R18W Sec26) to headwaters (T99N R18W Sec19) Mitchell Co.

Assessments
Cycle
IR Category
2026 Draft
5
2024
5
2022
5
2020
5
2018
5
2016
5
Legacy Assessments
Cycle
Overall
2014
Not supporting
Details
Type
River
Segment ID
6593
Segment Size
6.59 Miles
07080201
HUC12
  • 070802010605
Legacy ADBCode
IA 02-CED-0115_0
Designated Uses
  • Class A1 P
  • Class BWW1 P
Segment Memos 1
Due to changes in Iowa’s surface water classification approved by U.S. EPA in 2008, this segment has presumptive Class A1 primary contact recreation and Class BWW1 warmwater aquatic life designated uses. According to Iowa Water Quality Standards, all perennial streams and intermittent streams with perennial pools that are not specifically listed in the Iowa surface water classification are designated as Class A1 and Class BWW1 waters.
6/15/2020
Map
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Water Monitoring Network
Fish Kills
Recreation and Water Quality
BioNet Biological Assessment Sites
AQuIA Monitoring Sites