Lower Boise River Monitoring Update Water Year 2016 Lauren Perreault U.S. Department of the Interior U.S. Geological Survey
WY16 Baseline Monitoring PARMA Continuous monitor operation Water temp, DO, SC, turbidity Surrogate models for SSC and TP Event-based sampling, 6x year MIDDLETON Event-based sampling, 6x year BIOLOGICAL Periphyton sampling, 5 sites, 2x year
WY16 – Phosphorus at Middleton Boise River near Middleton, 13210050 Streamflow Total Phosphorus Orthophosphorus WY2012-2013 Monthly Average Total Phosphorus Total Phosphorus TMDL Target 7000 0.45 0.4 6000 Phosphorus Concentration (mg/L) 0.35 5000 0.3 Streamflow (cfs) 4000 0.25 0.2 3000 0.15 2000 0.1 1000 0.05 0 0 **Data are provisional and may be subject to change
WY16 – Phosphorus at Parma Boise River near Parma, 13213000 Streamflow Total Phosphorus Orthophosphorus WY2011-2015 Monthly Average Total Phosphorus Total Phosphorus TMDL Target 7000 0.6 6000 0.5 Phosphorus Concentration (mg/L) 5000 0.4 Streamflow (cfs) 4000 0.3 3000 0.2 2000 0.1 1000 0 0 **Data are provisional and may be subject to change
WY16 – Suspended Sediment at Middleton Boise River near Middleton, 13210050 Streamflow Suspended Sediment Concentration WY2012-2013 Monthly Average SSC Suspended Sediment 60-day TMDL Target 7000 60 Suspended Sediment Concentration (mg/L) 6000 50 5000 40 Streamflow (cfs) 4000 30 3000 20 2000 10 1000 0 0 **Data are provisional and may be subject to change
WY16 – Suspended Sediment at Parma Boise River near Parma, 13213000 Streamflow Suspended Sediment Concentration WY2011-2015 Monthly Average SSC Suspended Sediment 60-day TMDL Target 7000 140 Suspended Sediment Concentration (mg/L) 6000 120 5000 100 Streamflow (cfs) 4000 80 3000 60 2000 40 1000 20 0 0 **Data are provisional and may be subject to change
Continuous monitor operation **Data are provisional and may be subject to change
Continuous monitor operation **Data are provisional and may be subject to change
WY16 – Bacteria at Middleton Boise River near Middleton, 13210050 Streamflow E. coli WY2012-2013 Monthly Average E. coli Bacteria TMDL Target - 30-day mean Bacteria TMDL Target - not to exceed 10% in 30 days Bacterica TMDL Target - not to exceed 7000 900 800 6000 700 5000 600 MPN/100mL Streamflow (cfs) 4000 500 400 3000 300 2000 200 1000 100 0 0 **Data are provisional and may be subject to change
WY16 – Bacteria at Parma Boise River near Parma, 13213000 Streamflow E. coli WY2011-2015 Monthly Average E. coli Bacteria TMDL Target - 30-day mean Bacteria TMDL Target - not to exceed 10% in 30 days Bacterica TMDL Target - not to exceed 7000 900 800 6000 700 5000 600 MPN/100mL Streamflow (cfs) 4000 500 400 3000 300 2000 200 1000 100 0 0 **Data are provisional and may be subject to change
Biological Monitoring WY16 – Periphyton Boise River near Middleton (13210050), and near mouth (13213030) Streamflow, Boise River near Parma Chlorophyll-a, near Middleton Chlorophyll-a, near mouth WY2012-2013 Monthly Average Chlorophyll-a, Middleton WY2011-2015 Monthly Average Chlorophyll-a, mouth Mean Monthly Benthic Chlorophyll-a TMDL Target 7000 600 6000 500 5000 Chlorophyll-a (mg/m 2 ) Streamflow (cfs) 400 4000 300 3000 200 2000 100 1000 0 0 **Data are provisional and may be subject to change
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