Mud Creek IA 02-CED-488

Assessment Comments

Two stream use assessments in Muscatine County.

Basis for Assessment

Used results of two stream use assessments conducted in August 1991 in Muscatine County to assess support of B(LR) aquatic life uses as FST due to (1) habitat score (at least at one site) (26) much greater than overall average score (22) for all stream use assessments, (2) fish scores for both assessments (10, 12) equal to or better than 75th percentile for assessments where seining was used to collect fish.   Mud Creek is part of an ongoing DNR study to evaluate PS and NPS impacts to more accurately assess whether stream supports designated uses; results of study will not be available until mid-1997.   This study may alter the assessment developed for the 1996 305(b) report.