Boyer River IA 06-BOY-1500
mouth (Pottawattamie Co.) to confluence with Willow R. in S28 T78N R44W Harrison Co.
- Assessment Cycle
- 2022
- Release Status
- Final
- Data Collection Period
- Overall IR Category
- 3 - Insufficient data exist to determine whether any designated uses are met.
- Trend
- Unknown
- Created
- 12/30/2021 9:40:23 AM
- Updated
- 1/14/2022 9:12:50 AM
Assessment Summary
The Class BWW1 use was assessed as “WINOFI" based on biological sampling data. All other designated uses were "not assessed."
Assessment Explanation
Data
Sources: Data Source Data Source ID Data Type Data Age Site ID Site Name Site Description Iowa DNR 6 BIO See Below 391 Boyer River Missouri Valley – REMAP #74 Benthic
Macroinvertebrates: BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/Thermal BM Sample Gear BMIBI score BMIBI Class 47d BMIBI BIT BMIBI Pass/ Fail 391 8/13/03 1092 47d MO/WW ArtSub 37 Fair 54 Fail BioNet Site ID Date Drainage Area (mi2) Ecoregion Major Drainage/Thermal Riffle Stream? FIBI score FIBI Class 47d FIBI BIT FIBI Pass/ Fail 391 8/3/03 1092 47d MO/WW NA 8 Poor 31 Fail Community Assessment Type Assessment Result Support Level IR Category Reason Benthic Macroinvertebrates Evaluated Fail (0/1) Not Fish Evaluated Fail (0/1) Not Overall Evaluated Fail WINOFI 3bu Assessment was evaluated because the
drainage area of the sample site was larger than the calibrated range.
Class A1 - No Data
Class BWW1 - Biological Sampling:
Fish:
Overall:
Class HH - No Data
Assessment Key Dates
8/13/2003 | Biological Monitoring |
Methods
150 | Monitoring data more than 5 years old |
315 | Regional reference site approach |
320 | Benthic macroinvertebrate surveys |
330 | Fish surveys |