Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

West Rat Creek IA 06-BSR-6609

from mouth (T98N R43W Sec22) to headwaters (T99N R42W Sec20 SW SE)

Assessments
Cycle
IR Category
2026 Draft
3
2024
4
2022
4
2020
4
2018
5
2016
5
Details
Type
River
Segment ID
6609
Segment Size
9.77 Miles
10170204
HUC12
  • 101702040503
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