Beaver Creek IA 04-UDM-1235
from confluence with Slough Cr. to confluence with unnamed tributary in S29 T84N R28W Boone Co.
- Cycle
- 2024
- Release Status
- Final
- Overall IR
- 1 - All designated uses are met.
- Trend
- Unknown
- Created
- 11/1/2023 8:13:09 AM
- Updated
- 12/19/2023 7:38:02 AM
The presumptive Class A1 use was assessed as "fully supported" based on limited pH sampling data. The Class BWW2 use was assessed as "fully supported” based on biological sampling data and water quality monitoring data.
Data Sources: Data Source Data Source ID Data Type Data Age Site ID Site Name Site Description USGS 11 WQ CY 2013 5481820 Beaver Creek at Bouton Iowa DNR 6 BIO See Below 226 Beaver Creek Buffalo Grove SWMA Site ID Data Source ID # Samples / # Years Maximum Value Mean Value Median Value # Violations % Violations Significantly >10% Violations Assessment Type Support Level 5481820 11 11 / 1 8.2 8.02 8 0 0% No Evaluated 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 5481820 11 Ammonia 11 / 1 0.05 0.02 0.01 0 / 0 0% / 0% No Evaluated Full 5481820 11 Chloride 11 / 1 35.3 28.4 27.9 0 / 0 0% / 0% No Evaluated Full 5481820 11 Dissolved oxygen 11 / 1 11.4 8.5 8.7 NA / 0 NA / 0% No Evaluated Full 5481820 11 pH 11 / 1 8.2 8.02 8 0 / NA 0% / NA No Evaluated Full 5481820 11 Sulfate 11 / 1 51.7 30.1 28.4 0 / NA 0% / NA No Evaluated Full 5481820 11 Temperature 11 / 1 25.5 20.3 20.2 0 / 0 0% / 0% No Evaluated Full BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/Thermal BM Sample Gear BMIBI score BMIBI Class 47b BMIBI BIT BMIBI Pass/Fail 226 8/31/22 187.9 47b MS/WW Surber 44 Fair 62 Fail 226 8/3/17 187.9 47b MS/WW Surber 67 Good 62 Pass 226 8/11/11 187.9 47b MS/WW Hess 67 Good 62 Pass BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/Thermal Riffle Stream? FIBI score FIBI Class 47b FIBI BIT FIBI Pass/Fail 226 8/31/22 187.9 47b MS/WW No 46 Fair 32 Pass 226 8/3/17 187.9 47b MS/WW No 60 Good 32 Pass Community Assessment Type Assessment Result Support Level IR Category Reason Benthic Macroinvertebrates Evaluated Pass (2/3) Full Fish Evaluated Pass (2/2) Full Assessment was evaluated because a BMIBI sample used for the Overall Evaluated Pass Full 1 the assessment was not collected in a recent five-year period.
Presumptive Class A1 - pH:
Class BWW2 - Binomial Parameters:
Class BWW2 - Biological Sampling:
Benthic Macroinvertebrates:
Fish:
Overall: