Estero River Water Quality David Willems, P.E. Slide 1 Slide 2 - PowerPoint PPT Presentation

Tlie o/i{fage of Estero River Water Quality David Willems, P.E. Slide 1

Slide 2

Water Quality • Estero River Locations Slide 3

~ Water Quality Estero River at US-41 (47A-15GR) Total Nitrogen 4.5 4 3.5 • TN (mg/L as N) 3 2.5 • • • • 2 • • • •• • • 1.5 • •• I• • 1 0.5 0 2/21/91 8/13/96 2/3/02 7/27/07 1/16/13 7/9/18 Date • • TN Annual Geo Mean Annual Geo Mean Criteria Poly. (TN) Slide 4

Water Quality Estero River at Riverwoods (47A-4GR) Total Phosphorus • 1.6 1.4 1.2 • TP (mg/L as P) 1 • 0.8 0.6 0.4 0.2 0 2/21/91 8/13/96 2/3/02 7/27/07 1/16/13 7/9/18 Date • • TP Annual Geo Mean Criteria Poly. (TP) Slide 5

Water Quality Estero River at US-41 (47A-15GR) Enterococci Bacteria 2500 • • • • • 2000 • Colonies/100 mL • , , 1500 • • • • .. ' •• • • • • • • • • • • • •• •• ~- • •• • • -~ • . . • • • •• 1000 .... . . . • •• • • 4 • • • • . .,. • • • ,a • • ••• • • • •• • • • • • • . . \ ..... . .. • • • • . ,. ~ .. • e\ • • • •••••• • • • •• ••• 500 .. . •. -- ' •• ••• • •• • • • ·-· ... -.7 • • •• • •• • • • • ee • F • • • • • 0 Date • Measured Monthly Criteria Max 10% Criteria Slide 6

Water Quality Estero River at Riverwoods (47A-4GR) E. Coli 6/5/17, 2420 4/13/17, 2420 2500 oi L_ __ j_,__ __ 2/22/18, 2420 6/19/18, 2420 5/15/17, 2420 2000 E. Coli MPN/100mL • 1500 • 1000 • • • • • .............................................................................................................. . .......................................................•.............................................. • • • • • • • 500 • • • • • • • • • • • • •• • • • • • • • 0 5/10/16 11/26/16 6/14/17 12/31/17 7/19/18 2/4/19 8/23/19 3/10/20 Date • E. Coli Monthly Geo Mean Criteria Max 10% Criteria Linear (E. Coli) Slide 7

Water Quality Estero River - Total Nitrogen (TN) 1.5 1.3 1.1 TN - mg/L as N 0.9 47A-15GR (US 41) 47A-4GR (Riverwoods) 47A-28GR (Three Oaks Pkwy) 0.7 0.5 0.3 EB-13 (Estero Bay) 0.1 0 5000 10000 15000 20000 25000 30000 35000 40000 -0.1 Distance (ft) Slide 8

Water Quality Estero River - Total Phosphorus (TP) Geometric Mean Concentration 0.2 0.18 0.16 0.14 TP - mg/L as P 0.12 0.1 0.08 0.06 47A-4GR (Riverwoods) 47A-15GR (US 41) 0.04 0.02 EB-13 (Estero Bay) 47A-28GR (Three Oaks Pkwy) 0 0 5000 10000 15000 20000 25000 30000 35000 40000 Distance (ft) Slide 9

Water Quality Estero River - Enterococci Bacteria Geometric Mean Colonies 600 500 47A-15GR (US 41) 400 Colonies/100ml 300 200 47A-4GR (Riverwoods) 100 EB-13 (Estero Bay) 47A-28GR (Three Oaks Pkwy) 0 0 5000 10000 15000 20000 25000 30000 35000 40000 Slide 10 Distance (ft)

Water Quality Estero River - E. Coli Geometric Mean Colonies 600 500 400 Colonies/100ml 47A-4G R (Riverwoods Pl antation) 300 47A-15GR (US 41) 200 100 47A-28GR (Three Oaks Pkwy) EB-13 (Estero Bay) 0 0 5000 10000 15000 20000 25000 30000 35000 40000 Distance (ft) Slide 11

■ ~ Water Quality River Enterococci Bacteria {2001-2020} 3000 • 2500 • • ....J • E • 0 • 2000 • 0 M - • .......... • z • a.. 1500 - • • V) • Q) • • C • 1000 • 0 • I • 0 u • • 500 • • I • I 0 EB-13 ■ 47A-4GR ■ 47A-15GR 47A-28GR Slide 12

■ Water Quality River E. Coli {2001-2020) 3000 • 2500 • • • • • 2000 • .....J E • 0 • 0 n • ........... 1500 V) • Q) C • 0 • • I 0 • u 1000 • • • • • • • 500 • • I • • 0 EB-13 ■ 47A-4GR ■ 47A-15GR 47A-28GR Slide 13

Questions? Slide 14