Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Town Branch IA 04-LDM-6418

from mouth (T69N R10W Sec34) to headwaters (T69N R10W Sec31 SE)

Assessments
Cycle
IR Category
2026 Draft
2
2024
2
2022
2
2020
2
2018
2
2016
2
Legacy Assessments
Details
Type
River
Segment ID
6418
Segment Size
4.09 Miles
07100009
HUC12
  • 071000091206
Legacy ADBCode
IA 04-LDM-0069_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.
6/12/2020
Map
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Water Monitoring Network
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BioNet Biological Assessment Sites
AQuIA Monitoring Sites