Long Creek IA 05-GRA-1364
mouth (S8 T69N R28W Decatur Co.) to confluence with East Long Cr. in S36 T71N R27W Clarke Co.
- Cycle
- 2024
- Release Status
- Final
- Overall IR
- 1 - All designated uses are met.
- Trend
- Stable
- Created
- 11/1/2023 8:12:27 AM
- Updated
- 12/21/2023 9:27:59 AM
The presumptive Class A1 use was assessed as "fully supported" based on pH sampling data. The Class BWW2 use was assessed as "fully supported" based on biological sampling data and on water quality monitoring data.
Data Sources: Data Source Data Source ID Data Type Data Age Site ID Site Name Site Description Iowa DNR 6 BIO See Below 37 Long Creek DeKalb SWA – Van Wert USGS 11 WQ CY 2013 6897937 Long Creek near Van Wert Presumptive Class A1 -
pH: Site ID Data Source ID # Samples / # Years Maximum Value Mean Value Median Value # Violations % Violations Significantly >10% Violations Assessment Type Support Level 6897937 11 11 / 1 8.2 8 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 6897937 11 Ammonia 11 / 1 0.17 0.04 0.02 0 / 0 0% / 0% No Evaluated Full 6897937 11 Chloride 11 / 1 7.6 6 6.3 0 / 0 0% / 0% No Evaluated Full 6897937 11 Dissolved oxygen 11 / 1 10.2 8.6 8.6 NA / 0 NA / 0% No Evaluated Full 6897937 11 pH 11 / 1 8.2 8 8 0 / NA 0% / NA No Evaluated Full 6897937 11 Sulfate 11 / 1 34 24 25 0 / NA 0% / NA No Evaluated Full 6897937 11 Temperature 11 / 1 31.1 23.3 22.9 0 / 0 0% / 0% No Evaluated Full Site ID Date Drainage Area (mi2) Ecoregion Major Drainage BM Sample Gear BMIBI score BMIBI Class 40a BMIBI BIT BMIBI Pass/Fail 37 7/18/22 97.4 40a MO Surber 61 Good 41 Pass 37 8/3/21 97.4 40a MO Surber 46 Fair 41 Pass 37 8/6/20 97.4 40a MO Surber 57 Good 41 Pass 37 7/15/19 97.4 40a MO Surber 48 Fair 41 Pass 37 7/16/18 97.4 40a MO Hess 53 Fair 41 Pass Site ID Date Drainage Area (mi2) Ecoregion Major Drainage Riffle Stream? FIBI score FIBI Class 40a FIBI BIT FIBI Pass/Fail 37 7/18/22 97.4 40a MO NA 46 Fair 33 Pass 37 8/3/21 97.4 40a MO NA 40 Fair 33 Pass 37 8/6/20 97.4 40a MO NA 40 Fair 33 Pass 37 7/15/19 97.4 40a MO NA 37 Fair 33 Pass 37 7/16/18 97.4 40a MO NA 33 Fair 33 Pass Community Assessment Type Assessment Result Support Level IR Category Reason Benthic
Macroinvertebrates Monitored Pass (5/5) Full Fish Monitored Pass (5/5) Full Assessment was monitored because the samples
used to complete Overall Monitored Pass Full 1 the assessment were collected in a recent
five-year period.
Presumptive Class A1 - Indicator Bacteria: No Data
Class BWW2 - Binomial Parameters:
Class BWW2 - Biological Sampling:
Benthic Macroinvertebrates:
Fish:
Overall: