Crane Creek IA 01-TRK-212
confluence with Spring Cr. (S17 T97N R12W Howard Co.) to confluence with unnamed tributary in NW 1/4 S33 T99N R13W Howard Co. north of Maple Leaf.
- Cycle
- 2024
- Release Status
- Final
- Overall IR
- 5 - Water is impaired or threatened and a TMDL is needed.
- Trend
- Unknown
- Created
- 11/1/2023 8:12:34 AM
- Updated
- 12/12/2023 1:05:44 PM
The presumptive Class A1 use was assessed as “not supported” due to levels of indicator bacteria (E. coli) that exceeded state water quality criteria. 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 WQ CY 2012-2014 15450013 Crane Creek at A446/150 ST CRA50 Iowa DNR 6 BIO See Below 3 Crane Creek Lourdes Site ID Data Source ID # Samples / # Years 2012 Geometric Mean 2013 Geometric Mean 2014 Geometric Mean Annual Geometric Mean Violation # Violations % Violations Significantly >10% Violations Assessment Type Support Level 15450013 6 23 / 3 404 2590 448 Yes 19 83% Yes Evaluated Not Site ID Data Source ID # Samples / # Years Maximum Value Mean Value Median Value # Violations % Violations Significantly >10% Violations Assessment Type Support Level 15450013 6 24 / 3 8.5 8.09 8.05 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 15450013 6 Ammonia 16 / 2 0.43 0.09 0.05 0 / 0 0% / 0% No Evaluated Full 15450013 6 Chloride 16 / 2 33 31 33 NA / 0 NA / 0% No Evaluated Full 15450013 6 Dissolved Oxygen 24 / 3 12 7.2 7 4 / NA 17% / NA No Evaluated Full 15450013 6 pH 24 / 3 8.5 8.09 8.05 0 / 0 0% / 0% No Evaluated Full 15450013 6 Temperature 24 / 3 30 15 15 NA / 0 NA / 0% No Evaluated Full Benthic
Macroinvertebrates: BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/ Thermal BM Sample Gear BMIBI score BMIBI Class 47c BMIBI BIT BMIBI Pass/Fail 3 8/25/21 69.6 47c MS/WW ArtSub 49 Fair 52 Fail 3 9/12/17 69.6 47c MS/WW ArtSub 60 Good 52 Pass 3 9/24/13 69.6 47c MS/WW ArtSub 56 Good 52 Pass BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/ Thermal Riffle Stream? FIBI score FIBI Class 47c FIBI BIT FIBI Pass/Fail 3 8/25/21 70 47c MS/WW No 58 Good 44 Pass 3 9/12/17 70 47c MS/WW No 70 Good 44 Pass Community Assessment Type Assessment Result Support Level IR Category Reason Benthic Macroinvertebrates Evaluated Pass (2/3) Full Fish Monitored Pass (2/2) Full Assessment was evaluated because a BMIBI sample used to Overall Evaluated Pass Full 1 complete the assessment was greater than five years old.
Presumptive Class A1 - Indicator Bacteria:
Presumptive Class A1 - pH:
Class BWW2 - Binomial Parameters:
Class BWW2 - Biological Sampling:
Fish:
Overall: