Boylan Creek IA 02-WFC-1870
confluence with unnamed tributary (T93N R18W Sec31 Butler Co.) to headwaters (T94N R19W Sec30 Cerro Gordo Co.)
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: