Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Minnehaha Creek IA 02-CED-6490

from mouth (E 1/2 S7 T87N R16W Grundy Co.) to headwaters in NE1/4 S21 T87N R17W Grundy Co.

Assessments
Cycle
IR Category
2026 Draft
5
2024
5
2022
5
2020
5
2018
5
2016
5
Legacy Assessments
Details
Type
River
Segment ID
6490
Segment Size
6.47 Miles
07080205
HUC12
  • 070802050504
Legacy ADBCode
IA 02-CED-03835_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
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BioNet Biological Assessment Sites
AQuIA Monitoring Sites