Shoal Creek IA 05-CHA-1342
IA/MO ln to trib S28T68NR19W Appanoose
- 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 8:12:27 AM
- Updated
- 2/6/2024 8:00:29 AM
The Class BWW2 use was assessed as “WINOFI” based on biological sampling data and continuous dissolved oxygen monitoring 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 1263 Shoal
Creek Exline
– REMAP #289 Iowa
DNR 6 BIO/WQ See
Below 218 Shoal
Creek Exline Site
ID Date Drainage
Area (mi2) Ecoregion Major
Drainage BM
Sample Gear BMIBI
score BMIBI
Class 40a
BMIBI BIT BMIBI
Pass/Fail 1263 7/29/20 66 40a MO Art
Sub 36 Fair 41 Fail 218 7/29/20 61.8 40a MO Art
Sub 43 Fair 41 Pass 218 8/29/16 61.8 40a MO Art
Sub 28 Poor 41 Fail 218 7/21/16 61.8 40a MO Art
Sub 44 Fair 41 Pass Site
ID Date Drainage
Area (mi2) Ecoregion Major
Drainage Riffle
Stream? FIBI
score FIBI
Class 40a
FIBI BIT FIBI
Pass/Fail 1263 7/29/20 66 40a MO NA 40 Fair 33 Pass 218 7/29/20 61.8 40a MO NA 35 Fair 33 Pass 218 8/29/16 61.8 40a MO NA 47 Fair 33 Pass Community Assessment
Type Assessment
Result Support
Level IR
Category Reason Benthic Macroinvertebrates Evaluated Fail
(2/4) WINOFI Fish Evaluated Pass
(3/3) Full Assessment was evaluated because the BMIBI results were
inconclusive. Overall Evaluated Fail WINOFI 3bc A simple majority of samples need to fail for a Category 5
impairment. Site
ID Data
Source ID #
Days Monitoring (2016) DO
Criteria Type #
2016 violations / Violations needed for impairment Violates
Annual Significantly >10% Rule? Assessment
Type Support
Level 24
hr 13/11 Yes 218 6 71 16
hr 14/11 Yes Evaluated WINOFI
Presumptive Class A1 - No Data
Class BWW2 - Biological Sampling:
Benthic Macroinvertebrates:
Fish:
Overall:
Class BWW2- Continuous DO Monitoring: