Turkey River IA 01-TRK-152
from bridge crossing at Elgin (S13 T94N R7 Fayette Co.) to confluence with Little Turkey R near Eldorado (S18 T95N R8W Fayette Co.).
- Cycle
- 2022
- Release Status
- Final
- Overall IR
- 5 - Water is impaired or threatened and a TMDL is needed.
- Trend
- Unknown
- Created
- 12/6/2021 1:13:28 PM
- Updated
- 1/3/2022 7:31:10 AM
The Class A1 use was assessed as "not supported” due to levels of indicator bacteria that exceeded Iowa water quality criteria. The Class BWW1 use was assessed as "fully supported" based on historic water quality monitoring. The Class HH (fish consumption) use remains assessed as “fully supported" based on historic fish tissue monitoring.
Data Sources: Data Source Data Source ID Data Type Data Age Site ID Site Name Site Description Iowa DNR 6 WQ CY 2012-2014 15330010 Turkey River at Great River Road/B40 TR50 Iowa DNR 6 WQ CY 2012-2014 15330011 Turkey River at Great River Road/B40 TR60 Iowa DNR 6 FT See Below 202 Turkey River East of Clermont Site ID Data Source ID # Samples / # Years 2012 Geometric Mean 2013 Geometric Mean 2014 Geometric Mean Annual Geometric Mean Violation # Violations % Violations Significantly >10% Violations Assessment Type Support Level 15330010 6 24 / 3 107 2062 95 Yes 10 42% Yes Evaluated Not 15330011 6 24 / 3 287 824 211 Yes 11 46% Yes Evaluated Not Class A1 - pH: Site ID Data Source ID # Samples / # Years Maximum Value Mean Value Median Value # Violations % Violations Significantly >10% Violations Assessment Type Support Level 15330010 6 21 / 3 8.6 8.27 8.31 0 0% No Evaluated Full 15330011 6 24 / 3 8.8 8.42 8.4 0 0% No Evaluated Full Class BWW1 - Conventional Parameters: Site ID Data Source ID Parameter Name # Samples / # Years Maximum Value Mean Value Median Value # Acute / Chronic Violations % Acute/ Chronic Violations Significantly >10% Violations Assessment Type Support Level 15330010 6 Ammonia 13 / 2 0.52 0.09 0.05 0 / 0 0% / 0% No Evaluated Full 15330010 6 Chloride 16 / 2 33 31 31 0 / 0 0% / 0% No Evaluated Full 15330010 6 Dissolved Oxygen 24 / 3 12 9.6 10 NA / 0 NA / 0% No Evaluated Full 15330010 6 pH 21 / 3 8.6 8.27 8.31 0 / NA 0% / NA No Evaluated Full 15330010 6 Temperature 24 / 3 27.8 16.3 16.6 0 / 0 0% / 0% No Evaluated Full 15330011 6 Ammonia 15 / 2 0.48 0.08 0.05 0 / 0 0% / 0% No Evaluated Full 15330011 6 Chloride 17 / 3 33 31 30 0 / 0 0% / 0% No Evaluated Full 15330011 6 Dissolved Oxygen 24 / 3 10 8.8 9 NA / 0 NA / 0% No Evaluated Full 15330011 6 pH 24 / 3 8.8 8.42 8.4 0 / NA 0% / NA No Evaluated Full 15330011 6 Temperature 23 / 3 28.4 16.3 15.8 0 / 0 0% / 0% No Evaluated Full Class HH - Fish
Tissue Sampling: Site ID Biopart Year Species # in sample / # of samples Avg Length (cm) (Avg) Hg (ppm) Chlordane (ppm) Sum PCBs (ppm) 202 tissue plug 2014 smallmouth bass 4 34.3 0.215
202 tissue plug 2013 smallmouth bass 3 29.8 0.274
Support Level Full
Class A1 - Indicator Bacteria: