Burr Oak Creek IA 02-CED-581
from County Road T-46 (W line S10 T98N R16W Mitchell Co.) to N line S5 T98 R16W Mitchell Co.
- Cycle
- 2020
- Release Status
- Final
- Overall IR
- 5 - Water is impaired or threatened and a TMDL is needed.
- Trend
- Unknown
- Created
- 9/1/2020 8:06:27 AM
- Updated
- 10/16/2020 9:37:56 AM
The Class BCW1 use remains assessed as "partially supported" 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 230 Burr Oak Creek Osage - US Presumptive Class A1 - No Data Presumptive Class A2 - No Data Class
BCW1 - Biological Sampling: Benthic
Macroinvertebrates: BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/ Thermal BM Sample Gear CBI score CBI Class CBI BIT CBI Pass/ Fail 28 8/16/13 21 47c MS/CW Hess 47 NA 60 Fail 28 8/2/11 21 47c MS/CW Hess 63 NA 60 Pass 28 8/16/10 21 47c MS/CW Hess 50 NA 60 Fail Overall
Assessment: Community Assessment Type Assessment Result Support Level Earned IR Category Actual IR Category Reason Benthic Macroinvertebrates Evaluated Fail (1/3) Partial 3bc 5bv Assessment
is evaluated because samples used to complete the assessment were not
collected in the last five years. Class
BCW1 – Trout Natural Reproduction: Based
on the January 2020 trout reproduction in Iowa streams summary prepared by the
DNR Fisheries Bureau, the Class BCW1 coldwater aquatic life use of Burr Oak
Creek was assessed as "fully supported". According to the updated
summary, this stream was placed in Category I: streams that exhibit consistent
natural reproduction and maintain a wild population of one or more trout
species without any stocking. Class
HH - No Data