Iowa DNR
ADBNet

Water Quality Assessments

Impaired Waters List

Ioway Creek IA 03-SSK-6459

from unnamed tributary (T85N R25W Sec9 NW Boone Co.) to headwaters (T87N R26W Sec34 Hamilton Co.)

Assessments
Cycle
IR Category
2022
3
2020
3
2018
4
2016
4
Legacy Assessments
2014
2012
Details
Type
River
Segment ID
6459
Segment Size
19.89 Miles
HUC8
07080105
Legacy ADBCode
IA 03-SSK-0061_0
Designated Uses
  • Class A1 P
  • Class BWW1 P
PIndicates a Presumptive Use
Segment Memos 2
Formerly Squaw Creek. Updated to match USGS official name change of 11-FEB-2021.
11/19/2021
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.
6/12/2020
Map Map Legend
  • Selected segment line map icon Selected river segment
  • Nearby segment line map icon Nearby river segment
  • Nearby lake segment line map icon Nearby lake segment
  • Biological monitoring map icon BioNet Monitoring Sites
  • Fish kill map icon Fish Kill Origin Point
  • AQuIA monitoring map icon AQuIA Monitoring Sites
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Water Monitoring Network
Fish Kills
BioNet Monitoring Sites
AQuIA Monitoring Sites