Assessment Comments
Assessment is based on results of IDNR/UHL biological (biocriteria) sampling in 1998: fish IBI= 48 (fair), BM-IBI= 53 (fair).
Basis for Assessment
SUMMARY: The Class A (primary contact recreation) uses remain "not assessed" due to the lack of information upon which to base an assessment. The Class B(LR) aquatic life uses remain assessed (monitored) as "partially supported" based on results of biological monitoring conducted in 1998 as part of the IDNR/UHL stream biocriteria project.
EXPLANATION: The Class A uses remain "not assessed" due to lack of relevant water quality information upon which to base an assessment. The aquatic life uses remain assessed as "partially supported" based on results of IDNR/UHL biological monitoring conducted on this stream segment in 1998. Based on a comparison to results of Iowa ecoregion reference site sampling, both the fish and benthic macroinvertebrate communities were rated only "fair" (fish IBI= 48; BM IBI = 53). Thus, the Class B(LR) aquatic life uses were assessed as "partially supported." These data are less than five years old and, according to IDNR's methodology for Section 305(b) assessments, are thus appropriate for characterizing current water quality conditions.
