Total Maximum Daily Loads for Pathogen Indicators, Iowa River, Johnson County Iowa, 2007

(2007) Total Maximum Daily Loads for Pathogen Indicators, Iowa River, Johnson County Iowa, 2007. Natural Resources, Department of

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Abstract

One segment in the Iowa River was included in the 2004 Iowa 303(d) List as impaired by excessive indicator bacteria. As such, a total maximum daily load (TMDL) must be developed in accordance with the Clean Water Act (CWA). In 2004, the Iowa Department of Natural Resources (IDNR) opted to convert from fecal coliform to Escherichia coli (E. coli) bacteria as the indicator for primary contact recreation assessment. This document presents one TMDL for indicator bacteria that is designed to allow Iowa River segment IA 02-IOW-0030-Segment 2 to fully support the primary contact recreational designated use.

Item Type: Departmental Report
Keywords: TMDL Iowa River Pathogens
Subjects: Natural resources and environment > Water resources > Water quality
ID Code: 52456
Deposited By: Mr Jamie Mootz
Deposited On: 08 Apr 2025 20:24
Last Modified: 08 Apr 2025 20:24
URI: https://publications.iowa.gov/id/eprint/52456