North Raccoon River IA 04-RAC-1131

from confluence with Camp Cr. (S7 T86N R34W Calhoun Co.) to confluence with Indian Cr. in S24 T87N R36W Sac Co.

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

Assessment Cycle

1994

Result Period

1990 - 1992

Designations

Assessment Type

Monitored

Integrated Report

Category 0

Legacy ADBCode

IA 04-RAC-0040_5

Overall Use Support

Partial

Aquatic Life Use Support

Fully

Fish Consumption

Not assessed

Primary Contact Recreation

Partial

Documentation

Assessment Comments

Assessment is based on results of IDNR ambient monitoring downstream from Sac City.

Basis for Assessment

Had 1 violation of acute Class B(WW) TRC WQC in 36 samples (80 ug/l vs WQC of 35 ug/l) (=FST); no other violations of Class B(WW) WQC. Four of 7 samples collected at approx average flows had levels of fecal coliforms > Class A WQC (=57%). Due to lack of complete data (N=8), use BPJ to assess support of Class A use as PS.