Cedar River IA 02-CED-457
from confluence with Bear Cr. (NE 1/4 S21 T84N R8W Linn Co.) to confluence with Hinkle Cr. in SW 1/4 S16 T85N R10W Benton Co.
- Cycle
- 2022
- Release Status
- Final
- Overall IR
- 2 - Some of the designated uses are met but there is insufficient data to determine if remaining designated uses are met.
- Trend
- Unknown
- Created
- 12/20/2021 10:46:32 AM
- Updated
- 1/26/2022 3:28:33 PM
The Class A1 use was assessed as “fully supported” based on pH monitoring data. The Class BWW1 use was assessed as "WINOFI" based on biological sampling data. All other designated uses were "not assessed."
Data Sources: Data Source Data Source ID Data Type Data Age Site ID Site Name Site Description USGS 11 WQ CY 2016-2018 5464420 Cedar River at Blairs Ferry Road at Palo, IA Site no longer used to
assess this segment. Iowa DNR 6 BIO See Below 869 Cedar River Palo (dstr of DAEC) Site ID Data Source ID # Samples / # Years Maximum Value Mean Value Median Value # Violations % Violations Significantly >10% Violations Assessment Type Support Level 5464420 11 27 / 3 8.9 8.1 8.1 0 0% No Monitored Full Site ID Data Source ID Parameter Name # Samples / # Years Maximum Value Mean Value Median Value # Acute / Chronic Violations % Acute/ Chronic Violations Significantly >10% Violations Assessment Type Support Level 5464420 11 pH 27 / 3 8.9 8.1 8.1 0 / NA 0% / NA No Monitored Full Benthic
Macroinvertebrates: BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage BM Sample Gear BMIBI score BMIBI Class 47c BMIBI BIT BMIBI Pass/Fail 869 10/7/11 6238 47c MS Hess 45 Fair 70 Fail Community Assessment Type Assessment Result Support Level IR Category Reason Benthic Macroinvertebrates Evaluated Fail (0/1) WINOFI 3bu Assessment was
evaluated because the drainage area of the site was larger than calibrated
range.
Class A1 – Indicator Bacteria: No Data
Class A1 - pH:
Class BWW1 – pH:
Class BWW1 - Biological Sampling:
Overall Assessment: