Des Moines River IA 04-LDM-1012

from confluence with Cedar Cr. (S33 T75N R17W Mahaska Co.) to dam of Red Rock Reservoir in S19 T76N R18W Marion Co.

This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.

Assessment Cycle

1992

Result Period

1988 - 1990

Designations

Assessment Type

Monitored

Integrated Report

Category 0

Legacy ADBCode

IA 04-LDM-0020_3

Overall Use Support

Partial

Aquatic Life Use Support

Threatened

Fish Consumption

Not assessed

Primary Contact Recreation

Partial

Documentation

Assessment Comments

Basis for Assessment

Had 1 of 7 samples collected at approx average flows exceeding Class A WQC for fecal coliforms (= 14% violation = PS [probably an overly restrictive assessment]). With the exception of relatively high number of samples with Hg > Class B(WW) WQC, no violations of Class B WQC.