Boylan Creek IA 02-WFC-1870
confluence with unnamed tributary (T93N R18W Sec31 Butler Co.) to headwaters (T94N R19W Sec30 Cerro Gordo Co.)
- Cycle
- 2024
- Release Status
- Final
- Overall IR
- 3 - Insufficient data exist to determine whether any designated uses are met.
- Trend
- Unknown
- Created
- 11/1/2023 8:13:27 AM
- Updated
- 2/1/2024 1:46:30 PM
The presumptive 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 Iowa DNR 6 BIO See Below 333 Boylan Creek Aredale – REMAP #5 Iowa DNR 6 WQ 2017 333 Boylan Creek Aredale – REMAP #5 Iowa DNR 6 BIO See Below 899 Boylan Creek Aredale Presumptive Class A1 - No Data
Presumptive Class BWW1 - Biological Sampling: BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/Thermal BM Sample Gear BMIBI score BMIBI Class 47c BMIBI BIT BMIBI Pass/Fail 899 8/11/14 13.5 47c MS/WW ArtSub 67 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 333 7/26/17 18.4 47c MS/WW No 32 Fair 44 Fail 899 8/11/14 13.5 47c MS/WW No 49 Fair 44 Pass Community Assessment Type Assessment Result Support Level IR Category Reason Benthic
Macroinvertebrates Evaluated Pass (1/1) Full Fish Evaluated Fail (1/2) WINOFI Assessment was
evaluated because the drainage areas of Overall Evaluated Fail WINOFI 3bu the sample sites
were smaller than the calibrated range. Site ID Data Source ID # Days Monitoring (2017) DO Criteria Type # 2017 violations / Violations needed for impairment Violates Annual Significantly >10% Rule? Assessment Type Support Level 24 hr 0/5 No 333 6 19 16 hr 0/5 No Evaluated Full
Benthic Macroinvertebrates:
Fish:
Overall:
Presumptive Class BWW1- Continuous DO Monitoring: