Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Montgomery Creek IA 03-SSK-6508

from mouth (SE1/4 NE1/4 S35 T85N R25W Boone Co.) to headwaters (NW1/4 S22 ST85N R26W Boone 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
6508
Segment Size
14.35 Miles
07080105
HUC12
  • 070801050303
Legacy ADBCode
IA 03-SSK-0170_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