Lower Boise River Monitoring Update Water Year 2016 Lauren - PowerPoint PPT Presentation

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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