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HomeMy WebLinkAbout20080868 Ver 2_Appendix C Salinity Graphs_20210701APPENDIX C 2020 Tar River Discharge and Aqua TROLL Graphs (CD/DVD only) Data gaps may be due to insufficient water depth, logging error, or equipment malfunction Salinity (psu) 21 18 15 12 0 BSCS1 Salinity and Depth January -February 2020 PCS Phosphate TIRIt Tru7711 !!r 0 N 0 N N l[) W 0 0 N N M N- N N 0 0 N N W Date 0 0 0 0 0 0 0 0 20 10 50 40 30 c 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge O 0 N N N W O 0 N N r 0 (() O O O 0 N N N N W N CO O N N N II O 0 N N O 0 N N V CO N (O N N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 = 1.5 ai (73 1 0.5 0 C-1 Salinity (psu) 21 18 15 12 0 BSCS1 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 0 0 0 0 0 0 0 0 0 N N N N N N N N N U O) CC) r 10 0) CV M C,) C,)N CV CV M C C) cam) Date 0 0 0 0 0 N N N N N CO 0 CO N 0 N O N 3 — 20 — 10 0 0 N 0 cc) s CI Depth (inches) —Salinity (psu) 16000 ^. 14000 t) 0 12000 10000 — 8000 — 6000 — s 4000 2000 6 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 11 11.11 . 1 . 1 . 1.-I-, 11 0 N c) 0 0 0 0 0 0 N CNN N N N 10 0) C) r 10 C.) N CVCVcam) c') C ) C ) 0 N 0) N C.) 0 N N 0 N N N N o 't W 0 N N N 0 N N 0 N 0 C.) Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 0.5 0 C-2 Salinity (psu) 21 18 15 12 0 BSCS1 Salinity and Depth May -June 2020 PCS Phosphate N 0 N W (() 0 N 0 N N W N_ Date 110111! 1 ' " 0 N N 0 N 0 N 0 0 N 0 N CO 0 N N 0 N 0 CO 50 40 30 c 20 10 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 15000 13000 11000 9000 7000 5000 3000 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge "I 0 N N N N (f) W lfI lfI lfI 4 3 2.5 2 1.5 05 O O O o a cs 0 N N N N N N N N N W N (.0O V o0 N (.0O N N N Rainfall -Tar River average daily discharge at Greenville, NC C-3 Salinity (psu) 21 18 15 12 6 BSCS1 Salinity and Depth July -August 2020 PCS Phosphate - 70 - 60 - 50 - 40 0. �VI - 30 cu 0 - 20 - 10 0 0 0 0 0 0 0 0 0 N N N N N N CNICNICV �() ) M N- U) O) N r- r - N N N CO r- r- r- Date 00 O O O O 0 N N N N N N N (0 O V CON (O O CO \ - \ - \ - N N M 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 r111, 1 • I1[I1 . 1 . 1 . 1 • 11 1 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 00 N N N` N` O O O O 0 N N N N N W M N- (C) N N r- r- r- r- 0 CO 0 0 0 0 CO 0 CO 0 CO 0 0 Rainfall -Tar River average daily discharge at Greenville, NC 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 - (73 C-4 Salinity (psu) 21 18 15 12 BSCS1 Salinity and Depth September -October 2020 PCS Phosphate 0 0 N It 90 — 80 — 70 — 60 — 50 40 30 20 10 O O O O O O O O O O O O 0 N N N N N N N N N N N (V (V l() 0) M r-- N- - U) 0) C f- - «) O) N N O O W W - a) a) a) - O - O Date 00 N N N (V 0 0 0 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 0 N LC) W 0 N W W 1 1 . 1 . 1 . 1 . 1 . i1..i . 1 .11 . 1 . 1 . T11 1 !i O O O O O O O 0 N N N N N N N N M r- O) (3) (3) s- s- 0 1 Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 C 2 '3 1.5 1 0.5 0 C-5 Salinity (psu) BSCS1 Salinity and Depth November -December 2020 0 0 0 N N N - LC) 0) 0 0 PCS Phosphate 0 Lo N N 0 0 C.) N Date 0 N 0 0 N N U) O) 0 N C.) N 0 N N 0 N cM 60 50 40 30 20 10 0 411 CI o Depth (inches) —Salinity (psu) 29000 27000 0 25000 y 23000 21000 w 19000 • 17000 0 15000 13000 „,CD 11000 i 9000 t 7000 • 5000 • 3000 1000 - -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 1.1_. I ..1 'I I I_ I I iIii 0 0 0 0 0 0 0 0 0 0 0 0 0 N N NNNNNNNN N N N if) 0) a) N- U 0) C) N- u) 0) N N N N N N - N N N N N ) N N a) -CV.- -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 — 3 C 2.5 = 2 1.5 1 0.5 0 C-6 Salinity (psu) 21 18 15 12 9 — 6 — 3 — 0 0 BSCS2 Salinity and Depth January -February 2020 0 N N l[) W 0 PCS Phosphate 0 0 W Date 0 0 O 0 0 0 0 0 0 O — 70 — 60 T 50 40 30 — 20 — 10 0 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 0 0 0 0 0 0 NCNINNNNN 1I� O O O O O O 0 N N N N N N N O 0) N CO V CO N _ N N N - N N N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 - F C-7 Salinity (psu) 12 - 9 - 6 - 3 - 0 O BSCS2 Salinity and Depth March -April 2020 PCS Phosphate T CVCV �() O) M CO O N 0 O CO O N W N Date O V • O O V i O CO O V O V 70 - 60 - 50 - 40 - 30 - 20 10 0 O co Depth (inches) -Salinity (psu) 16000 14000 t� y 12000 10000 - 8000 - a1 6000 - - t 4000 2000 t7 - Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge CO I1 . I I . I .-I.I I . 117.1 F, 1'l1'I1 O O O O O O N N N N N N 6) M N- «) O) N N N M M M . I. I l I l 1. l 1. 1 O O O O O N N N N N • c0 N (O O - N N CO V V V V Rainfall Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 0 - (73 C-8 Salinity (psu) 21 18 15 —i 12 — 9 — 6 — (() BSCS2 Salinity and Depth May -June 2020 PCS Phosphate 0 N N W 0 N N M r` 0 0 0 0 0 N N N N N (O O_ V CO CV CD N CD 0 0 N N (O O (V CO — 70 - 60 - 50 - 40 - 30 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 15000 13000 11000 9000 7000 5000 3000 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge O 6 6 O 6 6 O O O O N N N Cr)N (O O_ V coN (O O N N N N N CO Rainfall -Tar River average daily discharge at Greenville, NC C-9 Salinity (psu) BSCS2 Salinity and Depth July -August 2020 PCS Phosphate *4 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N r- - u O) N (O O_ V CO N (O O - N N N - N N M r— r— r` Date 70 — 60 50 40 r 0. 30 G) 0 — 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 00 N N r— r` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N W M f� (() O) (NI (O O_ V CO (NI (O O N N N CO N N M r— r— r— r— r` 60 60 Rainfall -Tar River average daily discharge at Greenville, NC 5 45 4 3.5 3 2.5 2 1.5 0.5 0 4- (73 C-10 Salinity (psu) 21 18 15 12 BSCS2 Salinity and Depth September -October 2020 PCS Phosphate VAIA 144 0 0 0 0 0 0 0 O O O O O O O O O 0 N N N N N N N N N N N N N N N N O) M f— - «) O) M f- - W W - N - N N 0 0 - N N M W - W W O) O) - O - O - O O O O Date 100 90 80 70 60 50 Q a) 40 30 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 111 I1-I 1I I I T1I �I O O 0 N N N l() Cr) M Cr) Cr) 0 O O O O O 0 NNNNNNN N N N U) O) M N- O a 6 6 6 1 0 0 O 0 1 Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 0.5 0 4- a' C-11 Salinity (psu) 21 18 15 BSCS2 Salinity and Depth November -December 2020 PCS Phosphate 12 — 9 — 6 3 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N N CV CV N N N CV s- s- s- a— N- N N N N N Date — 80 — 70 — 60 — 50 — 40 — 30 — 20 — 10 0 Depth (inches) Salinity (psu) 29000 27000 v 25000 N 23000 21000 19000 17000 15000 13000 a1 11000 9000 t 7000 5000 3000 0 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 1 _I ■I■ ■I 1 1 ■1_ 1■ 1 1 k1 1_ 1 1 1 1 I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N lCI M r- W M. R. N N N N N N N M N N N N N N Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 = 3 4- 2.5 c 2 c3 1.5 05 0 C-12 Salinity (psu) 21 18 15 12 BSCS3 Salinity and Depth January -February 2020 PCS Phosphate 3 — 11;\ 0 0 0 0 0 N N N N N lCI W M r` 0 0 0 0 N N N N �() ) N N N N N Date 0 0 0 0 0 N N N N N CO O V CO N NN- N- N- N N N N N — 80 — 70 — 60 50 40 30 20 10 6-r-r f.7"..Nr'S'^ 0 N O N (V 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 0 0 0 0 0 0 N N N N N N N (() W M r— � 0 W 0 N N N 1. 0 0 0 0 0 N N N N N CO 0 • CO N N - N---, - N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 - F C-13 Salinity (psu) 21 18 15 1 12 — 9 — 6 — 3 — BSCS3 Salinity and Depth March -April 2020 PCS Phosphate 0 O N Th t\iivo‘kkt, O O 0 0 0 0 0 0 NNNNNNNN �[) O) M r— �() O) N CO M N N N M M M M M Date 0 0 0 0 0 NNNNN (O O V CON V V V 0 V — 70 60 — 50 — 40 — 30 20 — 10 0 0 O Depth (inches) —Salinity (psu) 16000 14000 — t� - y 12000 10000 — 8000 — a1 6000 — L - t 4000 2000 t7 - Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 �,' I II I, I, I lII 0 0 0 0 NNNNNN CO CO CO 0 0 r-- N M M 0 LC) 0 W 0 V 0 V 0 0 O V 0 CO 0 V 0 V 0 0 CO Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 0 - (73 C-14 Salinity (psu) 21 18 15 12 BSCS3 Salinity and Depth May -June 2020 PCS Phosphate 9 — 6 — 0 0 — 70 60 — 50 — 40 — 30 — 20 O O O O O O O 0 NNNNNNNN �() O) M f— U ) O) N O N N CO (() l() (- () (() l() Date O O O O 0 N N N N N CO O_ V CON CO- N O O O CO O 0 N N (O 0 N M O 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 23000 21000 19000 17000 15000 13000 11000 9000 — 7000 5000 3000 1000 -1000 1.1.�1 0 N N N N W In.. I_ 10 1 10 1 0 N N N N N N O O V o0 co co O O O (O O 2.5 05 (s 0 Rainfall —Tar River average daily discharge at Greenville, NC C-15 Salinity (psu) 21 18 15 12 - 9 - 6 - 3 - BSCS3 Salinity and Depth July -August 2020 PCS Phosphate - 70 vvo 0 W r-- 0 0 N N r-- 0 t` 0 LC) r-- 0 0 N N ) N N CO N. Date 0 CO 0 0 N N 0 0 CO 60 50 40 L- r of. 30 a) - 20 0 0 0 N N N N (O 0 N N M CO CO - 10 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 - -' I I -II, I I T 0 0 0 0 0 N N N N N «) O) M t` r- r- f- r- r- 0 t` 0 (() r-- 0 W r-- 0 CO 0 CO I 0 0 0 0 0 N N N N N N o V o0 N (O 0 \ - \ - CV CV 0 Rainfall -Tar River average daily discharge at Greenville, NC 5 45 4 3.5 3 2.5 2 1.5 1 0.5 4- a' C-16 Salinity (psu) 21 18 15 12 BSCS3 Salinity and Depth September -October 2020 PCS Phosphate O 0 0 0 0 0 0 0 0 0 0 O O O O O N N N N N N N N N N N N N N N N - l() O) M N- - l() O) M f— - «) O) M f— N N N 0 0 - N N o) - N- -..., o) o) o) N- - o - 0 - 0 0 0 0 Date 100 90 80 70 60 50 Q a) 40 30 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge O O N N - LC) 6) (3) I II O W W I\I� I I I I1-I I 1I I TII I I O O O O O O O NNNNNNNN «) W M N- (7IN N 0 0 1 6 5.5 5 4.5 4 C 3.5 3 2.5 2 Ts 1.5 1 0.5 tihhl 0 0 0 0 N N N N N 0 0 O Rainfall —Tar River average daily discharge at Greenville, NC C-17 Salinity (psu) 21 18 15 12 — 9 — 6 1 3 — BSCS3 Salinity and Depth November -December 2020 PCS Phosphate 0 v1n — 80 — 70 — 60 50 — 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) O) Cr) N- u) O) C) N- in co N) N- N N N N N N N M s— s— s— N- \ N N N N N N Date 411 CI Depth (inches) Salinity (psu) 29000 27000 25000 0 23000 21000 19000 17000 15000 13000 a1 11000 i 9000 7000 5000 3000 a 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge _ ■ ■I■ ■I ■I_ I■ h 0 0 0 0 0 0 0 0 0 0 0 0 CNINCNINNN N N N N N N N- U ) O) M N- N N N N N N N 1 N N N Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 = 3 C 2.5 = 2 as 1.5 05 0 C-18 Salinity (psu) 21 18 15 12 SC1S1 Salinity and Depth January -February 2020 PCS Phosphate — 50 9-1 6 — 3 — O O O N O N (() N O N W N Date O N N O N O O N O N CO — 40 O N N N N ' — 30 ,T 20 O N N (V — 10 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge I .141, I . I f•, I , O O O O O O O N N N N N N N 0 N W 0 N N N 1. 0 0 0 0 0 N N N N N (O O • CO N N - N N - N N N 0 N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 - F C-19 Salinity (psu) 21 18 15 12 SC1S1 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 3 — 0 T4 ,-, P4r-r-'T rT, r O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N - U ) 0) M N- - (f) 0) N CO O_ V CO N CO CO CO- N N N V V - N M M co M M V V Date 0 O — 30 — 20 — 10 A 0 0 O CO Depth (inches) —Salinity (psu) 16000 ^. 14000 — t� - y 12000 10000 — 8000 — a1 6000 — - t 4000 t) 2000 t7 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 N N - LC) M CO 0 W CO 0 N N 0 CO 0 0 W 0 0 • 0 . I. I l I 1. I l 1. 1. 1 O 0 0 N N N N (o 0 N N CO V V Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 0 - (73 C-20 Salinity (psu) 21 18 15 SC1S1 Salinity and Depth May -June 2020 PCS Phosphate — 50 12 —' 6 3 — 0 `fl — 40 + 30 — 20 — 10 O O O O O O O O O NNNNNNNNN lf) O) M N- lf) O) N - N N N CD O lfI lfI lf) lfI lf) Date O O N N O O O O N N N N O V CO N (O O \ - \ - \ - N N CO O 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 — 15000 — 13000 11000 9000 — 7000 5000 3000 1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge -1000 1I a l o N N N N lf) W M lf) In lf) 4 • O 6 6 O O O O N N (() W N (O O_ V o0 N (0 N N N - N N lf) lfI lfI (O (O (O (O (O O CO Rainfall -Tar River average daily discharge at Greenville, NC 2.5 2 05 C-21 Salinity (psu) 21 18 15 12 0 SC1S1 Salinity and Depth July -August 2020 PCS Phosphate 60 — 50 — 40 30 0 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N N- O) N r- r - N - N N W r— r— r— Date 00 0 0 0 0 0 CNINCNICNICNI NC,' CO O_ V CO N CO 0 - (NIN M COCO CO Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge T-Iu I VI I I I I 111, ICI 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N U[) O) C) f— (() O) N CO 0 V CO N CO 0 N N N CO CO t` r— r— r— t` Rainfall -Tar River average daily discharge at Greenville, NC 5 45 4 3.5 3 2.5 2 1.5 1 0.5 0 R (73 C-22 Salinity (psu) 21 18 15 12 SC1 S1 Salinity and Depth September -October 2020 PCS Phosphate - 70 — 60 50 40 30 9 — 6 —' 3 0 00 0 N N N - LC) ) W W W 0 00 00 0 00 0 N N N N N N N N N r— - u 0) N- lfI N N O O W W - O) O) O) N- - O O Date I- 20 10 0 0 00 0 N N N N ) M r— - N N (M O 00 a 7 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N W 0 LC) W Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 11111111111111111-1111 O O 00 N N O) C ) W Rainfall -Tar River average daily discharge at Greenville, NC 2.5 2 1.5 1 0.5 4- a' C-23 Salinity (psu) 21 18 hl 15 12 9 — SC1S1 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNN N N N NNNNNNNNN lf) 6) M f� l() W M f� «) W M N N N N N N N s- s- s- a- N- N N N N N Date — 50 - 40 - 30 - 20 10 0 Depth (inches) Salinity (psu) 29000 27000 v 25000 N 23000 21000 4— 19000 17000 15000 13000 a1 11000 9000 7000 5000 3000 0 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 1 1 1 __ 1 1 rhh.1.1.1 I hh.1_1„hhh 0 0 0 0 0 0 NNNNNN 0 0 0 0 0 0 NNNNNN lf) O) U ) O) 0) f� N N N N NNM N N N N N N _ I11 1 0 0 0 0 NNNN Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 = 3 4- 2.5 c 2 !3 1.5 05 0 C-24 Salinity (psu) 21 18 15 12 SC1S2 Salinity and Depth January -February 2020 PCS Phosphate 50 - 40 0 , 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N �[) CS)M N- N- CON CO a-- N N N N N Date - 20 - 10 n 0 0 0 0 0 N N N N • CON N N N 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 0 0 0 0 O 0 CNN N N N N N W � � N O O O O O O 0 CNN N N N N N N CO O V CO N CO N N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 E 1.5 ai 1 0.5 0 C-25 Salinity (psu) 21 18 15 12 SC1S2 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 — 30 -en O O O O O 0 N N N N N N r-- u W M co - M M M Date O O O O 0 (NIN N N N CO O V CO � - N V V V V 0 0 — 20 — 10 Depth (inches) —Salinity (psu) 16000 14000 t� y 12000 10000 — 8000 — a1 6000 — L - t 4000 2000 t7 - Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 1IN 1111 0 Cr) 0 0 (() I,I.-I1.11II I I M M O O 0 N N N U) O) N N N O 0 N N CO O 00 0 N N N • CO V V - V 0 O 0 0 Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 0.5 0 C-26 Salinity (psu) 21 18 15 12 SC1S2 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 tt 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N 0) M f— U ) ) N CO O_ V CO N N N NCO CO- N (('I lf) (f) (f) LC) (O (O (O CO Date 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 15000 13000 11000 9000 7000 5000 3000 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge ICI 0 N N N N N- (f) W 3 2.5 2 1.5 05 C 0 0 0 11� 0 (5 0 N N N N N N N N N N N (() 0')N (O O V o0 N (O O N N N O O N N M lfI (n (n (O (O (O (O (O CO Rainfall -Tar River average daily discharge at Greenville, NC - C F C-27 Salinity (psu) 21 18 15 12 0 SC1S2 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 0 t 20 a) — 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N �() O) M N- O) N r- r - N - N N CO Date 00 0 0 0 0 0 N N N N N N N (O O_ V CO CV (.00 - N N CO COCO CO Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 ' r I. I I�I I I h—I---1 I I , I , 1 1 1 1'r 1111-, 00 N N r- r- - 0 0 0 0 0 0 N N N N N N N N N r- 0 0 0 N N N N (O 0 CO CON_ 0 CO 0 CO 0 CO 0 0 Rainfall -Tar River average daily discharge at Greenville, NC 5 45 4 3.5 3 2.5 2 1.5 1 0.5 0 4- (73 C-28 Salinity (psu) 21 18 15 12 SC1 S2 Salinity and Depth September -October 2020 PCS Phosphate 0' 0 W O O O 0 N N N N l() W M t` W W O O O O O 0 N N N N N N - l() O) M f- N N N O O O) O) O) - O Date 0 0 0 0 N N N N «) O) M t` - N N - O O O - 60 - 50 - 40 - 30 20 - 10 0 N Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge O 0 N N - LC) W W I I I 0 W W 0 II 0 N LC) W M N- O) M N- • N N N 0 0 - N N W W 6) 6) O O O O O O O O O O 0 0 0 0 0 0 NNNNNNNNNNN Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 4- a' C-29 Salinity (psu) 21 18 15 12 0 SC1S2 Salinity and Depth November -December 2020 PCS Phosphate 50 — 40 — 30 - 20 10 1 -7-771 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N lf) 6) M f� l() CD0) f� «) CD0) f� N N N N N N N s- s- s- a— N- N N N N (V Date 0 Depth (inches) Salinity (psu) 29000 27000 v 25000 N 23000 21000 19000 17000 15000 13000 a1 11000 r 9000 t 7000 5000 3000 0 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 1_I_ rl .l_ ■I .I L 111 0 0 0 N N N LC) ) 0 0 0 0 0 N N N N N M f- N lfI N N 0 0 0 N N N M r- N 0 LC) 0 0 0 0 N N N N Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 = 3 4- 2.5 c 2 c3 1.5 05 0 C-30 Salinity (psu) 21 18 15 12 SC1S3 Salinity and Depth January -February 2020 PCS Phosphate 0 0 N 0 0 0 0 0 0 0 0 N N N N N N N N �[) ) M f— (f) ) N N N N Date } — 50 — 40 30 20 — 10 , ,, !$.1 +r - 0 0 0 0 0 0 0 N N N N N N (O 0 V CO N (O N - N N N N N N (V 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 0 0 0 0 0 0 0 N N N N N N N - «) O) M N- � N 0 0 0 0 0 0 0 N N N N N N (V CS) N (.0 O_ V CO N N N N - N N N N N 0 N N N Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 - F C-31 Salinity (psu) 21 18 15 - 12 — 9 — 6 — 3 — SC1S3 Salinity and Depth March -April 2020 PCS Phosphate 0 � 0 0 O 0 0 0 O O N N N N N N N N U) O) M f— l() O) M M CO N CV CV M M M M M 0 Date 0 0 O V 0 CO 0 0 — 60 - 50 40 — 30 — 20 - 10 0 0 Depth (inches) —Salinity (psu) 16000 14000 N 12000 10000 8000 a1 6000 t 4000 to 2000 Cl 0 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge .11 . I . 1..-1 . 11 I' I . I .-1I I O O O O N N N N M CO CO O O O N N N ( - lfI N N M M M O W O O O N N N N CO O V V 00 N N N N (O O N N CO V V O Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 0 - C-32 Salinity (psu) 21 18 15 12 — 9 — 6 — 0 O 0 0 0 0 N N N N N - (f) W M t` SC1S3 Salinity and Depth May -June 2020 PCS Phosphate 0 N LC) 0 N W N_ Date 0 N N 0 N 0 N 0 0 N 0 CO 0 N N N m N 0 m (-6 60 — 50 40 — 30 — 20 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 23000 21000 19000 17000 15000 13000 11000 9000 — 7000 5000 3000 1000 1.ICI -1000 �' 0 N N N N «) O) M I. 0 N (() N (() N W n..b-II . 0 1 0 1 0 N N N N N N N (O 0 V CO N (O (O - N O O N N O 2.5 05 (s 0 O co Rainfall -Tar River average daily discharge at Greenville, NC C-33 Salinity (psu) 21 18 15 12 SC1S3 Salinity and Depth July -August 2020 PCS Phosphate — 60 — 50 40 — 30 Q a) 0 — 20 — 10 0 0 0 0 0 0 0 0 NCNINNNNNN - (f) O) M r-- - «) O) r-- \ - \ - N N N r- r- r- 0 0 0 0 0 0 0 0 NNNNNNNN NCO O_ V CON CO 0 CO- N N CO COCO Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0I'I1,I VI�h- I I I11,I�I1 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 00 N N r— r- 0 0 0 0 0 0 0 NNNNNNN W M N- U) O) N N N N r- r- r- r- r- 00 0 O CO 0 0 0 0 0 0 NNNNNN 0 V CO N CO 0 N N (M Rainfall -Tar River average daily discharge at Greenville, NC 5 45 4 3.5 3 2.5 2 1.5 1 0.5 0 R (73 C-34 Salinity (psu) 21 18 15 12 SC1S3 Salinity and Depth September -October 2020 PCS Phosphate 0 7 I Nov Oki )„,b1 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N n CS)VI N- u) o) M f� - u) c) - N N N O O O) O) a)6) O) 0 - 0 - 0 Date 90 — 80 — 70 60 50 40 30 ry_ 20 0 0 0 N N N M N- N N M 0 0 0 — 10 0 a CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 6) Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 6 5.5 5 4.5 4 C 3.5 3 ccr 2.5 2 'Fs 1.5 1 0.5 1 1 1 1 1 1 1� 1 1 1 1 1 11 1 1 1 1 11 1 1 1 1 1 1� 1 1 1 0 0 0 N N lf) W 6) W 0 0 0 0 0 0 0 N N N N N N N M I� - lfI CS) M f� N N N O O 0 N 0 0 0) - N N 0 0 0 N N N 0 Rainfall -Tar River average daily discharge at Greenville, NC C-35 Salinity (psu) 21 18 15 12 0 SC1S3 Salinity and Depth November -December 2020 PCS Phosphate INF" ' Fr' '11!" I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNN N N N N N N N N N N N N N N CD N N N N N s- s- s-,- ,-N N N N N Date 60 50 40 30 Q d t7 20 10 0 Depth (inches) Salinity (psu) 29000 27000 v 25000 N 23000 21000 4- 19000 17000 15000 13000 a1 11000 r 9000 7000 5000 3000 0 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Bay City Rain Gauge 1�1 ] 1 1 I_ 1 1_ rr1 1 1 1 1_ 1 ITIAhhhl 0 0 0 0 0 0 0 0 0 0 NNNNNNNNNN lCI W M r� \ lfI W M f� lfI W M r� N N N N N N N CO N N N N N N 0 0 0 0 0 0 NNNNNN Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 = 3 4- 2.5 c 2 c3 1.5 05 0 C-36 Salinity (psu) 21 18 15 12 JS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 C t 4S a) 6 -} 3 — 0 0 741 — 20 10 0 0 0 0 N N N N M r- 0 0 0 0 N N N N �() )N N N N Date 0 0 0 0 N N N N O V CON \ - \ - \ - N 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge • i i.i.F.i.i.i II, .i 0 0 0 O 0 0 0 0 N N N N N N N N 0 N N N 3 2.5 2 E 1.5 ai 0.5 . 1-.11 . 11.11• .I1.1 . 0 O O O O O 0 N N N N N N (O O V CO N N N N N (O N N N N Rainfall —Tar River average daily discharge at Greenville, NC re C-37 Salinity (psu) 21 18 15 12 JS1 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 0 O N - 30 lir O 0 0 0 0 0 0 0 CVN CVN CVN N O) M N- (f) CDCV N N M M M M M Date O O O O O NNNNN (O V CON � N V V V V 20 - 10 0 O Depth (inches) -Salinity (psu) 16000 14000 N 12000 10000 8000 a) 1 6000 L N 4000 N 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge O O O O O O O CVN CVN CVN N «) a) M f- M M M N N M M M M O O O N N N N N N CDCV COO V CO N V V O O O Rainfall -Tar River average daily discharge at Greenville, NC O CO 3 2.5 C 0.5 0 C-38 Salinity (psu) 21 18 15 12 9 JS1 Salinity and Depth May -June 2020 PCS Phosphate 50 - 40 0 0 ly 4 0 0 0 0 0 0 0 0 N N N N N N N N �() O) M r- U)) O) N O N N CO (() lf) (- () (() lf) Date 0 0 0 0 0 N N N N N CO O_ V CO CV O - N O O O CO 20 - 10 0 0 0 N N O 0 N CO CO 30 E t a) Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 0 0 0 N N N N «) O) M lfI lf) lf) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 1-.■1 , 1, 1, 1 N-. 1 •,■Iik 1 1 0 lf) 0 0 lf) In 0 W I• I I !1T1I 711111, 711 0 0 N N 0 0 0 0 0 0 N N N N N N N CO O V o0 N O O O O - N N CO O CO CO CO CO CO Rainfall -Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - (73 ♦Y C-39 Salinity (psu) 21 18 15 12 JS1 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 0 0 ti AM — 10 O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N r - U) O) N (O O V CO N (O O r - N N Nco - N N M r— r— r- co co co co co co Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge IIt 11 1 O O O O O NNNNNN W r-- r N r` 11,1 0 (() r` 4 3.5 3 2.5 2 1.5 1 0.5 1� 1'� 1 1 1' 1 Iti 1 11,1 11 0 0 W 0 CO O O O O O 0 N N N N N N 0 (O 0 "7 CO N (O O N N CO CO CO CO CO Rainfall —Tar River average daily discharge at Greenville, NC CO C-40 Salinity (psu) 21 18 JS1 Salinity and Depth September -October 2020 PCS Phosphate 15 12 3 — 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - l() O) M N- - l() a) M f— - «) a) M f— - N N N 0 \ - N N - 0 0 W O) O) Date — 60 — 50 — 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 11 '1l, 1-1-1 - 0 0 0 0 0 0 0 0 0 N N N N N N N N N - U) O) M f— «O) (+) f— W a) a)- N N N O 0 W W W W 0) N— N- 6 5.5 5 4.5 4 C 3.5 3 2.5 2c3 1.5 1 0.5 r+ l Id 0 0 0 0 0 N N N N - «) O) M - N O - O - O 0 0 0 N N N 0 Rainfall —Tar River average daily discharge at Greenville, NC C-41 Salinity (psu) 21 18 15 12 0 JS1 Salinity and Depth November -December 2020 PCS Phosphate 0 11 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N LC) CDC') N- U O) r) N- N N N N N s— N—x- x—x N Date 0 N LC ) N N 50 — 40 — 30 20 10 0 00 N N N M CV CV a CI Depth (inches) Salinity (psu) 28000 26000 d 24000 22000 20000 18000 16000 14000 d 12000 a1 10000 c0 8000 = 6000 4000 2000 0.5 0 rl -I� 'I 'I �I 0 Tar River Average Daily Discharge at Greenville, NC, and Porter PA2 Gauge 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N CNN CNN CNN CNN CNN M N- Lc)O) M N- N N N N N N N N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 C-42 Salinity (psu) 21 18 JS2 Salinity and Depth January -February 2020 PCS Phosphate 15 1 12 9 6 — 3 — 0 0 N 50 — 40 •1I — 30 = s a CI — 20 — 10 0 o 0 0 0 0 0 0 N N N N N N N N Lc) O) N N N N Date 0 o 0 N N N CO 0 `71- N N N 0 N N N 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N 0 N M O 0 N_ N N 0 N N 0 N N 0 N N N 0 N O N 0 N O 0 N 0 N CO 0 N N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 0.5 C-43 Salinity (psu) 21 18 15 JS2 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 12 — 6 - 3 - 0 )4, 30 - 20 - 10 0 0 0 0 0 0 0 0 0 NNNNNNNNN (() O) M N- (f) O) N CO M - N N N V M M M M M Date 0 0 0 0 0 NNNNN COO V CON � N V V V V 00 N N COO NCO 0 t a) Depth (inches) —Salinity (psu) 16000 14000 - t� - y 12000 10000 • 8000 - a1 6000 - - t 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 W CO 0 N N r- 0 CO 0 0 W 00 N N N ( V V 0 V V 0 V c0 00 NNNN N (O O N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC 2.5 2 1.5 0.5 0 - (73 C-44 Salinity (psu) 21 18 15 12 JS2 Salinity and Depth May -June 2020 PCS Phosphate 6 — 3 — 0 50 — 40 0 0 0 0 0 0 0 0 0 CNN (\IN N N N N N lf) O) (+) r` �f) 0) N LO LO N N N 10 Date N N N N N (0 0 • CO N N 0 N N 20 — 10 0 0 N 0 C.) 30 c s C o Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge . 1 . I II . 1 . 1 rl -Il I . F1I I „ h . I . 1 . 1-.-IIIII 7.111 7.1.1 .-1 . 1 . 1 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N W m r-- Lo 01 N CO O 6 Lo 6 N N N 0 0 0 0 0 N N N N N d' CO N (0 0 N N (`') Rainfall —Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 C-45 Salinity (psu) 21 18 JS2 Salinity and Depth July -August 2020 PCS Phosphate 50 - 40 12 1�. 9 6 - 3 - 0 0 t 20 Cl - 10 O O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N N C() ) M N- U) ) N CO O_ V CO N COO r- r- N N NCO CO - N N M r- Date 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N ' I1 1 H E1I 1 1 1 0 0 0 0 0 N N N N N 4 3.5 3 2.5 2 1.5 1 0.5 111, 1 1� 1° 1 N 1ti 1 1 1 1 1ti 1 1I I I I I, 0 O O O 0 N N (NIN 0 U) ) N CO O N N CO CO r- r- O O O 0 N N N N • CO N (O \ - \ - N N Rainfall -Tar River average daily discharge at Greenville, NC 0 N 0 CO R co C-46 Salinity (psu) 21 18 15 12 JS2 Salinity and Depth September -October 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N O) coN) f� CS) N N N \O - N N Date M 0 70 60 50 40 — 30 — 20 — 10 0 s a CU CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 0 CNN CNINNNNNN O) c`.) f- d7 (3) (3) N N N O O 1 .1 .III 1 . 1 . 1 -F�.1 . 1 . 1 . I�.�I . 1 -F . 1 .-1 . 1 . 11 0 NNNN ai 0 0 0 - N O - 0 0 N 0 Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 1.5 1 0.5 0 C-47 Salinity (psu) 21 18 15 i 12 — JS2 Salinity and Depth November -December 2020 PCS Phosphate 6-1 3 — 50 — 40 — 30 4 20 0 0 0 0 0 0 0 0 0 N N N N N N N N N - LC) 6) M N- U O) M - N N N N Date 0 0 0 0 0 0 0 N N N N N N N N - N N 2 10 0 411 CI Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 28000 26000 • 24000 _ y 22000 20000 _ 18000 _ M 16000 _ • 14000 d 12000 a) 10000 c0 8000 ✓ 6000 • 4000 0 2000 7- 0 1, I, I, I, I, I, I, - rl rl I, I, I, I, 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N M f� L VIf� N N N N N N M Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-48 Salinity (psu) 21 18 15 12 6 SS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 = s a CI 0 0 N 20 - 10 0 N 10 0 0 0 0 0 0 0 N N N N N N N O) N N N N Date 0 o 0 N N N CO 0 `71- N N N 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N 10 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N 0 0 N N M r 0 N 0 N 10 N N 0 N N 0 N N N 0 N O N 0 N O 0 N 0 N 0 N N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 0.5 C-49 Salinity (psu) 21 18 15 12 0 SS1 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 O 0 N N O O O O O O 0 N N N N CVN N O) M r- O) N N ) N N N M M M M M Date 0 0 0 0 0 NNNNN CON � N V V V V 0 V I- 30 t 20 ) - 10 0 0 'Depth (inches) -Salinity (psu) 16000 14000 - t� - N 12000 10000 - 8000 - a1 6000 t 4000 t) 2000 0 0 . I� Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 CO 0 LC) CO 0 W CO 0 0 0 N N N M r- M M M 0 0 Cr) 0 V 0 V 0 N 0 0 V 0 CO 0 V 0 V Rainfall -Tar River average daily discharge at Greenville, NC 0 0 CO 2.5 2 1.5 0.5 0 - (73 C-50 Salinity (psu) 21 18 15 12 0 SS1 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 0 0 0 0 0 0 0 0 N N N N N N CNN U) cr) M r— l() O) - N N N (() l() (() (() 1 ) 0 0 0 0 0 0 0 0 N N N N N N N N N CO O V CO N CO O O \ - \ - \ - N N M Date 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 4000 ---- 2000 0 1. I�1 . 1. 1 1 '. 1 il1 k 1. 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N CNN N N N N N N N N (C) Cr) M r— (C) W N CO O_ V CO N COO N N CO CO - N N COlf) f) - 1.0 lfI lfI (O (O (O CO CO (O Rainfall —Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - C (73 C-51 Salinity (psu) 21 18 15 12 9 0 SS1 Salinity and Depth July -August 2020 PCS Phosphate 50 - 40 20 0 - 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - (C) 0) M r- �[) ) N CO 0_ V CO (NI CO 0 N (NI (NICO - N N M Date 0 t 0. Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 N N N ) M r- f r- r- 4 3.5 3 2.5 0.5 I11,I I�I-'I 111 11 11 Itil 11,l l , 0 O O O O O O O O O N N N N N N N N N lf) W N (O 0 "7 CO N (O N N CO N N CO CO CO CO CO r- r- Rainfall -Tar River average daily discharge at Greenville, NC 0 0 CO C-52 Salinity (psu) 21 18 15 12 0 SS1 Salinity and Depth September -October 2020 PCS Phosphate O O O O O O O O O O O 0 N N N N N N N N N N N N \ - \ - N - N (V O O) O) O) - O O Date O O O 0 N N N N ) M r— \ - N N M — 60 — 50 — 40 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 J I N 0) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N LC) W 0 N W W 0 N N M r- 0 W 0 N LC) N W 0 W N W 0 N N 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .s 1.5 1 0.5 1-HHHti l l l 0 O O O 0 N N N N - «) 0) M - N O - O - O O O 0 N N rV N O 0 Rainfall —Tar River average daily discharge at Greenville, NC C-53 Salinity (psu) 21 18 15 12 SS1 Salinity and Depth November -December 2020 PCS Phosphate 50 — 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 l 0 0 N N N N N N N N N N N N N N N N LC) O)N- N N N N N N N Date c) a CI Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 28000 26000 d 24000 n 22000 20000 41) 18000 16000 14000 d 12000 a1 10000 03 8000 v 6000 4000 2000 0 1 I I I I I I II I '1 I I 1 '1 11 1 I I I 0 0 0 N N N 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNNNNNN N N N N N lf) O) 0) VIN- N N N N N N 2 \ \ N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-54 Salinity (psu) 21 18 15 12 LCS1 Salinity and Depth January -February 2020 PCS Phosphate 50 - 40 0 0 N 0 0 0 N N N W 0 0 0 0 0 N N N N N W N • N - N N N Date 20 0 10 ti Ti--S.4.14.0 0 0 0 0 0 0 N N N N N N (O 0 V CO N (O N - N N Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 0 (fI M r- \ lfI N 0 0 0 0 0 0 0 N N N N N N N 0) N CO 0 V CO N N N N N- N- s- N N N N N Rainfall -Tar River average daily discharge at Greenville, NC 2.5 0.5 C-55 Salinity (psu) 21 18 15 12 LCS1 Salinity and Depth March -April 2020 PCS Phosphate 9 —� 6 — 3 — 0 hr� O O O 0 N N N N (f) ) M M CO CO 0 0 N N N h O 0 0 N (V N (() O) N N N M M Date I 0 o O O O 0 N N N N N N (O O V o0 N (O - N N '')I 50 40 30 t 20 d 10 0 0 N 0 Depth (inches) —Salinity (psu) 16000 14000 t) y 12000 10000 • 8000 • 6000 t 4000 t) 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N W CO 0 N N M r- 0 N CO 0 N (() N 0 N W N 0 N N 0 N O O O O 0 NC,' NC,' NC,' O V CO N (O O N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC cts 4— ( C-56 Salinity (psu) 21 18 15 12 -A— 9 —r� 6 — 3—I 0 0 LCS1 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 - 20 - 10 0 0 0 0 0 0 0 0 NNNNNNNN �() O) M r— (() O) N - N N N CO (() l() (() (() 1 ) Date 0 0 0 0 0 0 0 NNNNNNN CO 0_ .1- CON (O 0 CO- N N M O O O CO uJ 0 30 E t a) 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 2000 2000 0 . 1 . I.1 , ▪ 1 , 1 0 0 0 0 NNNN N- (() O) M I1 0 0 0 0 NNNN r- 1 , I"s. 1 , 1 , 1 1 I-,-ITIu I—. 1I1 111 rl 1 0 0 0 0 0 0 0 0 NNNNNNNN U) O) N (O 0_ "7 CON (O 0 N N N O O NNM O O ( O O O LC) lf) l[) Rainfall —Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 C-57 Salinity (psu) 21 18 15 12 9 — LCS1 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 0 0 N k 1 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N M N- - U) O) N (O 0 V CO N (O 0 - N N N - N N CO CO CO r- r- r- Date 30 t — 20 aa) — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge FT?"I 1 F11, 1 1, 00 0 NN N M f� N 4 3.5 3 2.5 2 1.5 0.5 111„ II lU l I l \, 0 0 0 N N (() O) N N r- r- 0 CO 0 0 0 0 0 0 NNNNNN CO 0 V CO N (O N N CO CO CO CO CO Rainfall —Tar River average daily discharge at Greenville, NC 0 0 CO C-58 Salinity (psu) 21 18 15 12 0 LCS1 Salinity and Depth September -October 2020 PCS Phosphate — 70 — 60 I — 50 • 0 0 0 0 0 0 O O O O O O O O 0 N N N N N N N N N N N N N N N - U) O) W - N - N N 0 0 - N N W - W W O) O) - O - O - O O 0 Date 40 30 — 20 — 10 0 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 rn Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .o 1.5 1 0.5 hhl 0 O O O O O O O O O O O O 0 N N N N N N N N N N N N N «) O) C) N- - U) a) M f� , U) a) M N N N 0 - N W W O) O) O) - O O O 0 O 0 N N • M O 0 Rainfall —Tar River average daily discharge at Greenville, NC C-59 Salinity (psu) 21 18 15 12 — 3 — LCS1 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N - U ) 6) M r-- - l() a) 0) r-- - lfI - N N N N N s- s- - s- - N- N- - N N Date 50 — 40 30 — 20 — 10 0 0 0 0 0 N N N N W M r� - N N M N N N N N- t a) Depth (inches) Salinity (psu) 28000 26000 y 24000 cn 22000 • 20000 '1— 18000 16000 • 14000 a) 12000 En 10000 c3 8000 • 6000 4000 0 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge ,1 1 1 1 1� 1 11 1 -1.,1 .1 0 0 0 NNNNNNN - N N 0 0 0 0 11/29/20 1 1 -1 11 1 1 1� 1 0 0 0 0 N N N M r- N N 11 i 0 0 0 N N N l() 6) - N N N- N- N- c Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 Cif C-60 Salinity (psu) 21 18 15 12 LCS2 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 C t 4S a) -4 0 0 — 20 — 10 0 0 0 0 0 0 0 0 N N N N N N N N �[) O) M f- (f) O) N Date 0 0 0 0 0 N N N N N CO O V CO N NN- N- N- N N N N N 0 O 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 N N N N N N N (() W M f— lfI N 0 0 0 0 0 0 0 N N N N N N N O) N CO O_ V CO N N N N - N N N N N 0 O Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 ai 0.5 C-61 Salinity (psu) 21 18 15 12 LCS2 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 - 30 0 0 11 rt 20 - 10 O O O O O O O 0 NNNNNNNN �[) O) M N- (f) O) N CO CO- N N N M M co M M Date O O O O 0 N N N N N CO O V CO � N V V V V 0 CO 0 0 0 t a) Depth (inches) -Salinity (psu) 16000 14000 - t� - y 12000 10000 - • 8000 - a1 6000 - - t 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 (() 0 W 0 N N r- 0 M 0 0 W O 0 N N N (o V V 0 O O 0 NNNN CO N CO o N N M V V Rainfall -Tar River average daily discharge at Greenville, NC 2.5 2 1.5 0.5 0 - (73 C-62 Salinity (psu) LCS2 Salinity and Depth May -June 2020 PCS Phosphate 0 W LC) 0 N N M r- 0 LC) 0 (() 0 W Date 0 0 0 0 0 CO 0 CO 0 CO CO 0 0 CO 50 40 20 10 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 1.I.1.1.11 0 0 0 0 NNNN (() W (() (() l() 1, 1. F1I I „ h. I 1.1 O O O O O O 0 NNNNNNN r-- (() O) N CO O N N N co co �II I71Is II11 .—I . . O O O O 0 NNNNN V CO N (O O N O O O O O O Rainfall -Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 C (73 C-63 Salinity (psu) 21 18 15 12 9 LCS2 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 — 30 a• 0 ,,, 0 0 0 00 NNN N N - l() 0) M r— 4 0 0 0 0 NNNN �[) O) N N N CO r- r- r- Date 0 O CO 0 0 0 0 0 0 N NNNNN O V CON CO O \ - \ - \ - N N M CO CO t 0. 20 G) 0 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge O 0 0 0 0 0 NNNNNN (fI W M r- r- N .el .11 .Ii, h it 1 . 1 . 1 O O O O O O O O O 0 NC,' NC,' NC,' NC,' NC,' �[) O) N (O O_ V 60 N coO N N N N CO CO co r- r- co co co co c Rainfall -Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 C-64 Salinity (psu) 21 18 15 12 LCS2 Salinity and Depth September -October 2020 PCS Phosphate 0 0 } - 50 - 40 30 20 - 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N O) M f- - «) O) M f- W W - N - N N 0 0 - N N Date 0 t a) Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 J I . . Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N 0) 0 0 N N 0 N 6) 0 0 0 0 0 0 0 N N N N N N «) O) 0 N N CV-0 O O W O) 0) O 0 0 0 N N N N «) O) M f- - CV CVO - O O O Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .3 1.5 1 0.5 0 C-65 Salinity (psu) 21 18 15 12 LCS2 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNN N N N N N N N N N N N N - lf) 6) M f� - l() W M f� - «) W M N - N N N N N - N N s- s- - s- - - a- N- - N - N - N N N Date 50 — 40 — 30 — 20 10 0 t a) Depth (inches) —Salinity (psu) 28000 26000 d 24000 uJ 22000 20000 `— 18000 16000 • 14000 a) 12000 En 10000 co 8000 ✓ 6000 • 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 1.1 1.1.1.1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNNNNNNNN NNNNNN - l() O) 0) r-- U) O) 0) r-- l() a) 0) r� - N N N N N - N N - N N - N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C ♦Y C-66 Salinity (psu) 21 18 15 12 JCBS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 C t 4S a) 0 O N �.1 — 20 — 10 O O O N N N W 0 0 0 0 N N N N �() 0')(NI N N N N Date 00 CNN COO N O O O N N N • CON \ - \ - N N 0 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge • O O O O O O O N N N N N N (NI - «) 0) (f) a — a— N (NI O N W N O O O O O O O N N N N N N N N (O CNN N (O CNN N N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 E 1.5 ai 1 0.5 0 C-67 Salinity (psu) 21 18 15 12 9 JCBS1 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 — 30 0 O O O O O O N N N N N �() 0) N- C) M 0 0 0 N N N �() 0) N N N M M Date O O O O N N N N (O V o0 V V V 20 — 10 ,,,,, 0 O O O N N N N CO O N N c, V V V 'Depth (inches) —Salinity (psu) 16000 14000 y 12000 4- 10000 8000 a) 6000 a1 4000 to 2000 t7 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 Il 1•11 . 1 . Ill • 1I.-1 • • I-rlJlI O O O O O O N N N N N (() O) M CO M M M M O I I I I-•-I••-I I I I• Il I. Il I. I. I O O O O O O O O N N N N N N N N 6) N (O O V CO N (O M V V V V V Rainfall —Tar River average daily discharge at Greenville, NC O CO 3 2.5 2 1.5 1 0.5 0 - ( C-68 Salinity (psu) 21 18 15 12 JCBS1 Salinity and Depth May -June 2020 PCS Phosphate 50 - 40 0 0 117 O O O O O O O 0 N N N N N N N N �() O) M r- - U ) O) N - N N N CO (() l() LC)(() lf) Date 0 0 0 0 0 N N N N N (O O_ V co - N 30 E 20 - 10 0 O 0 N N (O O N CO O 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge III • -• Ai, • I I 1 • 1`,1 • 1 • 1 • h •ilk I7111, I71 • 1 • 1 • 1 iI.I.I.I 0Nr- 1.0 LC) \ N N LC) O V CO N (O 0 N N M Rainfall -Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - C (73 C-69 Salinity (psu) 21 18 15 12 JCBS1 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 0 0 ti — 30 t — 20 G) 0 — 10 00 00 N N N N (f) W M f- r- r- O 0 N N N - N 00 N N )N co t` Date 00 O O O O 0 N N NNNNN (O O_ .1- CON CD - N N CO O O 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 4 3.5 3 2.5 2 1.5 1 0.5 1°, 1 1 .1 11 Iti 1 11,11 1 1 0 O O O O O O O O O O O O O O O 0 NNNNNNNNNNNNNNNN lf) 0) �[) O) N (O O V CON (O 0 N N N O N N O CO CO CO CO Rainfall Tar River average daily discharge at Greenville, NC C-70 Salinity (psu) 40 35 30 25 20 15 10 JCBS1 Salinity and Depth September -October 2020 PCS Phosphate 0 0 [[ — 50 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N l() a) M f— - «) a) M f— - «) a) M f— - N N N 0 - CVCVM W W 6) 0) 0) N- - O - O - O O O O Date 0 t a) 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 -I I • • I •\ I'/I •'I •'I� •'I I'•'1 1 • 1 • 1 • 1 • I • I • Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N CV CV CV CV CV - lf) 0')C f- Lc) a) M f- - «) a) M f— - N N N 0 0 - CV CV ) O) 0) 0) 0) N- - O - O - O O O O Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 'c 1.5 0' 1 0.5 0 C-71 Salinity (psu) 21 18 15 12 0 JCBS1 Salinity and Depth November -December 2020 PCS Phosphate IYk 50 — 40 — 30 — 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N u') O) M N- O) r) N- u) co N) N N N N N N s— s— s— \ \ N N N N Date 0 0 N N N M 0 a CI Depth (inches) Salinity (psu) 28000 26000 d 24000 y 22000 20000 18000 16000 14000 d 12000 E1 10000 8000 t 6000 4000 a 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 NNCNINNN N N 1 .-I 1' 1 , 1 , 1,1 0 N s- if) O) M N- U O) M (71 N N N 0 0 0 0 0 0 0 N N N N N N N f— LO 6) M I"-- N— N— N— N N M N N N c(N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C C-72 Salinity (psu) 21 18 JCBS2 Salinity and Depth January -February 2020 PCS Phosphate 15 I' 12 9 6 50 — 40 — 30 = s 0 3 — 0 0 N yl 0 0 0 0 0 0 0 0 (N (N (N (N (N (N (N (N Lc) O) CC) N- U ) (N N N N N Date 0 0 0 (N (N (N CO 0 (N N N 0 N CO N 0 N CO N N — 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 N N N N N N N N W M I� O) \ N - N N 0 0 0 0 0 0 N N N N N N N CO 0 • CO N N N N N N N N 0 N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 0.5 C-73 Salinity (psu) 21 18 15 12 0 JCBS2 Salinity and Depth March -April 2020 PCS Phosphate I, I�I` Ir �ilrrrui_Jr I, i "�� I 1 111111P01111 �If 1111 ��7 ; 7 , ; ,ll Iiir 1!! �����► �� i 1111 O 0 N N 0 W M M 0 N N r- 0 0 0 N W N M Date 0 0 0 O V 0 CO 0 0 0 0 50 40 30 20 10 0 'Depth (inches) -Salinity (psu) 16000 14000 N 12000 10000 8000 a1 6000 L - Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge t 4000 2000 0 0 • 1' 0 I I•'1 • II. 'I • • I'rl•lII 1 0 W O O 0 N N N M r- N M M M 0 0 W 0 0 0 N 0 0 CO 0 II• 0 O N Rainfall -Tar River average daily discharge at Greenville, NC 0 0 2.5 2 1.5 0.5 0 C-74 Salinity (psu) 21 18 15 12 JCBS2 Salinity and Depth May -June 2020 PCS Phosphate 50 - 40 0 0 0 0 N N �() O) LC) 0 0 0 0 0 0 NC,' NC,' NC,' M r- lf) W N N N CO (() lf) (- () (() lf) Date 0 0 0 0 0 N N N N N CO O V CO N ON- N- N- (NI (O (O (O CO 20 - 10 0 0 0 N N (O o N CO uJ 30 E t a a) i Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 .1.I�1,1,1 1 0 0 0 N N N in' O) lf) LC) LC) iI!1rTT1 1, IIIIjIIIjII,I0 000 N NNNo0N(O-8NNM • m - m co co co co Rainfall -Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - C (73 C-75 Salinity (psu) 21 18 15 12 JCBS2 Salinity and Depth July -August 2020 PCS Phosphate 50 - 40 0 0 N IF it t 20 a) - 10 00 0 0 0 0 0 0 N N N N N N (NIN �() 0')M N. U) ) N rr-r- - - N N N CO r- r- r- Date 00 0 0 0 0 0 N N N N N N N (O O_ .1-CON (.0O - (V N M CO COCO 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge . 1 .- .Ill . II� IR, . . 1 .11 . 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N (() O) N (.0O V CO CV COO N N CO CO N-N CV CO c c (() W C f• r- r- r- Rainfall -Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 C-76 Salinity (psu) 21 18 15 12 9 JCBS2 Salinity and Depth September -October 2020 PCS Phosphate 60 — 50 3 — 0 — 40 1 III O O O O O O O O O O O O O O O O N N N N N N N N N N N N N N N N - U) O) M f- - l() ) M f— - «) O) M f- W W - N N N 0 - N N W W W O) O) - O O O O O O Date LC- 30 t AEL a) — 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 _ Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge O O O O O O O O O O O N N N N N N N N N N N l() )f- W - N N N 0 0 - N W - W ) O) O) - O - O - O O 1 1 F- -11 1 1 O O O N N N «) W (M O N N O N O O Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .Fs 1.5 0.5 0 C-77 Salinity (psu) 21 18 15 JCBS2 Salinity and Depth November -December 2020 PCS Phosphate 12 6 — 3 — 0 50 — 40 — 30 - 20 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N - LC) CDC') N- U O) M - N N N N Date 0 0 0 0 0 0 0 N N N N N N N N- N - N N 2 0 a CI 'Depth (inches) Salinity (psu) 28000 26000 d 24000 u 22000 • 20000 18000 M 16000 • 14000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge d 12000 ET 10000 03 8000 ✓ 6000 y 4000 6 2000 0# 1• 1• 1• 1• 1 1• 1• II• 1 .'1-)1 AI • 1• 1• 1 .'1 • I",1• 1• 1 •I I I 1• 1. 1. 1. 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CNN CVN CVN CVN (\IN N N N CVN N (() O) M (— «') O) M N- (f) 0) M (— N N N N N N N 7, N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-78 Salinity (psu) 21 18 15 PA2S1 Salinity and Depth January -February 2020 PCS Phosphate 12 t 9 — 6 — 3 — 0 r 0 0 N N O 50 — 40 — 30 )1 2 — 10 0 0 0 0 0 0 0 N N N N N N N O) CC) N N N N Date 0 0 0 N N N CO 0 `71- N N N 0 N N N 0 a 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge I . I . I . I ..1i , I , 1-' I , I , 1' 141I . I 0 0 0 0 0 0 0 N N N N N N N x- CV CV N I 0 N I , 1-1I , II I .11,1 , 1-. 11.-1 0 0 0 0 0 0 N N N N N N N CO 0 CO N CO CV CVN N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 2 1.5 1 0.5 0 ca C-79 Salinity (psu) 21 18 15 12 PA2S1 Salinity and Depth March -April 2020 PCS Phosphate 6 - 3 - 0 50 L 40 30 t tti - 20 a) - 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N (() a) M r- U ) ) N CO CO N N N V M M co M M Date 0 0 0 0 0 N N N N N (O O V CON V V V V V 00 N N (O O N M V 0 Depth (inches) -Salinity (psu) 16000 14000 N 12000 10000 8000 a1 6000 - L _ t 4000 t) 2000 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 O W O O N N r- O O O W ri.i.i 00 N N N (O V V ■r1 . 1 .■1 1 I1 I .ili.i.i O O O O O 0 N N N N N N V CO N (O O N N M V V V V Rainfall -Tar River average daily discharge at Greenville, NC 2.5 2 1.5 0.5 0 - (73 C-80 Salinity (psu) 21 18 15 12 PA2S1 Salinity and Depth May -June 2020 PCS Phosphate 6 — 3 — 0 0 0 0 0 0 0 0 0 N N N N N N N N U) cr) M r— U) O) - N N N (() l() (() (() l() 50 — 40 — 30 E t 4S a) - 20 Cl — 10 0 0 0 0 0 0 0 0 N N N N N N N N N (O O V CO N (O O COCO - \ - \ - N N CO Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 - 0 .1.I.I.1.I.I 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 N N N - LC) O) LC) l[) (() /It, . 3 I_, . I . . -/Ill I hiu I Ji . . I' 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N r-- (C) W COO_ V o0 N (O N N Ncc) N N co lfI lf) lf) lf) (O (O (O (O (O (O Rainfall —Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - (73 ♦Y C-81 Salinity (psu) 21 18 PA2S1 Salinity and Depth July -August 2020 PCS Phosphate — 50 12 — 9 — 6 — 3 — — 40 — 30 t w — 20 p — 10 O O O O O O O O O O O O O O O O N N N N N N N N N N N N N N N N �() 0)M N- - �[) 0)N N (O O_ V coN (O N O N - N CO co co co co co co Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 1I 1 1 1 11 1 1 O O O O O O O O NNNNNNNN r- N N N O CO 4 3.5 3 2.5 2 1.5 1 0.5 11 1 1,11 1 11 1 11, 1 1 1 1 I 0 O O N N CO O co O O O O NNNN O CO N (O O N N M Rainfall —Tar River average daily discharge at Greenville, NC 4- C-82 Salinity (psu) 21 18 15 12 0 PA2S1 Salinity and Depth September -October 2020 PCS Phosphate 0 0 0 0 0 0 (N N N N N N LC) W - W W 70 60 50 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N l() ) M f- - «) ) M f- N N 0 - N N M 0.) 0.) N- - 0 - 0 - 0 0 0 0 Date t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 I I N Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N LC) W 0 N W W 0 N 0 0 N N N W HIHIHHHHHHHIIHHHHHUHHH 0 0 0 0 N (V N N N (V N N N l() l() O) M f- N N 0 0 N N o) o) 0 0 0 0 0 0 0 0 0 0 Rainfall —Tar River average daily discharge at Greenville, NC 1 6 5.5 5 4.5 4 C 3.5 3 2.5 2 'R 1.5 1 0.5 0 C-83 Salinity (psu) 21 18 15 — 12 — 9 6 — 3 — 0 PA2S1 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) 6) M N- U ) M N- in co M N- N N N N N N N s- s- s- \ \ N N N N N N Date 50 — 40 pp— 30 — 20 10 0 Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 28000 26000 d 24000 y 22000 20000 18000 16000 14000 d 12000 En 10000 03 8000 v 6000 y 4000 0 2000 0 r I I I I I I I I� I I -I",I ■I 0 0 N N M N- 0 0 0 N N N u, 6) 0 0 I 1h I H I 1 i I 0 0 0 0 0 N N N N N (N1 N O) M N- U O) M r NCV CV N N 2 N- N LC CV 0 0 N N N Rainfall —Tar River average daily discharge at Greenville, NC 0 N 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 c C-84 Salinity (psu) 21 18 15 - 12 a 3 DWS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 C t 4S a) 0 0 — 20 — 10 0 0 0 0 N N (V N LC) 0) M r-- 0 0 0 0 N N N N �C) O) N N N N N Date 0 0 N N • 0 N 0 0 0 N N N • CO N \ - \ - N N 0 N N N 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N N W 0 0 N N N 0 0 N N 0 N W N 0 N N N 0 N N 0 N 0 0 N 0 N CO 0 N N N N 0 N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 ai 0.5 C-85 Salinity (psu) 21 18 15 12 0 DWS1 Salinity and Depth March -April 2020 PCS Phosphate 11 I' If, lj'' `' 1► O O N N 0 W CO CO 0 N N O CO 0 0 W Date 0 V 0 V 0 O V 0 CO 0 V 0 O V 0 0 CO 50 40 30 20 10 0 Depth (inches) -Salinity (psu) 16000 14000 t� - N 12000 10000 8000 a1 6000 L - t 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N U) ) C N- (() 0) (NI COO M CON (NI (NIV V M M M M M 4- 0 0 CO 0 0 O V Rainfall -Tar River average daily discharge at Greenville, NC 0 0 CO 2.5 0.5 0 C-86 Salinity (psu) 21 18 15 12 DWS1 Salinity and Depth May -June 2020 PCS Phosphate 50 - 40 0 O 0 0 0 0 0 NNNNN r- u W N N N CO CO LC) (- () (() lf) Date O O N N O - 20 10 0 O O O O O N N N N N • CO N (O O \ - \ - N N CO O O Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge O O O N N N (() Cr) -Il 1 . I1I I . I.,1 . 1 O O O O O O O NNNNNNNN r� (() O) N (O O N N N co co I71Is 71 .—I . . O O O O O NNNNN V CO N (O O N Rainfall -Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 - (73 C-87 Salinity (psu) DWS1 Salinity and Depth July -August 2020 PCS Phosphate 27 24 21 18 15 12 - 9 6 - 50 - 40 30 0 O lye - 10 O O O O O O N N N N N N (f) 0) M N.r- r- «) r N N N N ) N CO Date 0 0 0 O O O O N N N N N N N CO O_ V CO N COO N N CO CO CO 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 1 1 fi11 1 1 1 0 0 0 0 0 NNNNN lfI W r- N O O O O NNNN 'r) O) N (O N N CO CO r- r- 4 3.5 3 2.5 2 1.5 1 0.5 0 O O O O O O NNNNNN O V CO N (O O N N Rainfall -Tar River average daily discharge at Greenville, NC R co C-88 Salinity (psu) 21 18 15 12 9 DWS1 Salinity and Depth September -October 2020 PCS Phosphate 3 — 0 O O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N N - l() O) M r-- - l() ) M r-- - «) ) M r— - N N N 0 \ - N N - 0 0 W O) O) Date — 50 — 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 LC) 0 0 N N M r- 0 W 0 LC) W 0 W W 6 5.5 5 4.5 4 C 3.5 3 2.5 2 '3 1.5 1 0.5 1-HHHti l l l 0 O O O 0 N N N N - «) CDM - N O - O O 0 O 0 N N N M O 0 Rainfall —Tar River average daily discharge at Greenville, NC C-89 Salinity (psu) 21 18 15 12 0 DWS1 Salinity and Depth November -December 2020 PCS Phosphate 1 7 50 — 40 — 30 — 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N N N N N Nco cn N N M s— s— N—\ \ N—N N N N N N Date a CI 'Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 28000 26000 0 24000 y 22000 20000 18000 16000 14000 as 12000 En 10000 c0 8000 v 6000 4000 2000 0 '1 1 -1 111 111 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NCNICNICV CNN CNN CNN N N CNN CNN O) M N- O) M N- N N N N N N N M \ \ N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-90 Salinity (psu) 21 18 15 ` 12 41 9 — 6 — 3 — 0 DWS2 Salinity and Depth January -February 2020 PCS Phosphate �11 - 20 — 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N LO co c) N- U O) N N N N N Date 0 0 0 N N N CO 0 N N N 0 N N N 0 50 — 40 — 30 s a 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 0 0 0 0 0 N N N N N N 2.5 2 1.5 1 0.5 rl II ','I I','I ,III I.1I•,'71 0 0 0 0 0 0 0 0 N N N CNN N N N CO 0 CO N CO N N N N N N N N N Rainfall -Tar River average daily discharge at Greenville, NC C-91 Salinity (psu) 21 18 15 12 DWS2 Salinity and Depth March -April 2020 PCS Phosphate 6 — 3 — 0 — 50 - 40 30 — 20 — 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N (() O) M N- (f) ) N CO M N N N V M M M M M Date 0 0 0 0 0 N N N N N COO V CON N V V V V 00 N N COO N M 0 Depth (inches) —Salinity (psu) 16000 14000 — t� - N 12000 10000 8000 — a1 6000 — - t 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge O O O O O O O O O O 0 N N N N N N N N N N N (() O) M N- )N CO O_ V M co N N V V M M co M M 4- 0 .ili.i.i O O 0 N N N N CON COO N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC 2.5 2 1.5 0.5 0 - (73 C-92 Salinity (psu) 21 18 15 DWS2 Salinity and Depth May -June 2020 PCS Phosphate 12 — 6 — 3 — 0 0 0 0 0 0 0 0 0 0 NNNNNNNNN lf) O) c`) N- O O) N O O O - N N N • Lc)O N Date 60 — 50 N N N N N CO 0 • CO N CO N CO O O O 40 — 30 — 20 — 10 ■o o o N N CO o N a) co co s CI o Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge .11 . -.11 . 1 . 1 1 1-.-11 1 . -I-1 I� 1 . 1 . I hi•.•I7111 Is 71 • • • 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NNNNNNNNNNNNNNNN r cfI N 10 O) N CO N N CO CO - - 0 CO N CO 0 N N C) O O O O O O Rainfall —Tar River average daily discharge at Greenville, NC 8 75 7 6.5 6 55 5 4.5 4 35 3 2.5 2 15 1 0.5 0 c C-93 Salinity (psu) 21 18 DWS2 Salinity and Depth July -August 2020 PCS Phosphate 12 - 9 - J 6 - 3 - 0 1 t1/4 imi%rk,Af 50 - 40 - 30 t 20 0 - 10 O O O O O O O O O O O O O O O O NNN NNNNNNNN NNNNN C() O) M r- U) O) N CO O_ .1- CON COO r- r- N N NCO N N M Date 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 111, 111, 1 1 1 1 I111, 1 1 O O O O O O NNNNNNNN r- N N N O O O CO 4 3.5 3 2.5 •� 0.5 1° 1-11 I1 0 O O O O NNNN O V CO N (O O N N M Rainfall -Tar River average daily discharge at Greenville, NC C-94 Salinity (psu) 21 18 15 12 — 9 6 — 3 — 0 DWS2 Salinity and Depth September -October 2020 PCS Phosphate O O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N N l() 0) M N- l() ) M f— «) O) M f— W W N N N 0 \ N N O O W O) O) Date — 70 — 60 — 50 — 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 I I rn Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 0 N W 0 N W W 0 N N 0 W 0 LC) N W 0 W ( ) O O 0 N N N N N N 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 tiII, 0 0 O O 0 0 N N N M O O O Rainfall -Tar River average daily discharge at Greenville, NC 0 N 4- (73 C-95 Salinity (psu) 21 18 15 12 — 9 — 6 — 3 — 0 DWS2 Salinity and Depth November -December 2020 PCS Phosphate {�1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - LC) 6) M N- M ) M N- M co M N- - N N N N N - N N s- s- - s- N-.-_,- ....... - \ x-- N - N N N N N Date 60 — 50 40 30 20 — 10 0 t a w CI Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and PA2 Rain Gauge 28000 26000 d 24000 y 22000 20000 18000 — • 16000 — • 14000 d 12000 — En 10000 03 8000 ✓ 6000 _ • 4000 0 2000 0 ,# 0 0 N N 7 I-, 'I • 111 I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CNN CNN CNN CNN N N CNN CNN - N N N CV CV N N 2 CV CV CV Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 c tL' C-96 Salinity (psu) 21 18 15 12 LOCS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 = s 0 0 0 N 0 N 10 0 0 0 0 0 0 0 N N N N N N N O) N N N N Date 0 o 0 N N N (0 0 `71- N N N 0 N N N 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 N Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 N 0 N 0 N 0 N 0 0 N N N 0 N N 0 N O 0 0 N N CO 0 N N N N 0 N N N Rainfall -Tar River average daily discharge at Greenville, NC 2.5 1.5 as 0.5 C-97 Salinity (psu) 21 18 15 12 LOCS1 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 0 0 ' 0 0 0 0 0 0 0 0 N N N N N N N N L--6 O) M N. U ) O) N CO CO - N N N V M M M M (`') Date O O O O 0 N N N N N (O O V CO � - N V V V V 0 O 30 20 — 10 0 0 N t a) 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 — 8000 6000 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 4000 2000 — 0 • Iti I N N CO 0 CO 0 CO 0 0 W 0 0 0 0 . I . Il Il I . Il I . I . O 0 N N N N CO O N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 0.5 0 C-98 Salinity (psu) 21 18 15 12 LOCS1 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 3 — — 30 c 0 0 0 0 0 0 0 0 0 0 N NNCNICVN N N N lf) O) c ) r` O O) N O O O - N CV CVcoO O Lc)O O Date l c 20 0 dithrfrtt.I N N N N N CO 0 't CO N CO N CO CO CO CO 0 N O N CO — 10 0 0 N 0 C0 o Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 24000 _ 3 22000 20000 — - 2.5 18000 16000 — T + 2 14000 12000 — 1.5 CU 10000 — C 8000 1 'ca 6000 Ce 4000 0.5 2000 . J 0 1. 1. 1. 1. I 1 1 I Il 1. 41 11 Oki 1 1 1 r1 1- .-1 1 1.-1 . 1. It 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N r— O 0)CVCO0 • CO CV CV N CVCVO CO CVCVCO Lo Lo O O O co co co 0 0 0 r) O O Rainfall —Tar River average daily discharge at Greenville, NC C-99 Salinity (psu) 21 18 15 12 0 LOCS1 Salinity and Depth July -August 2020 PCS Phosphate Prt V 7 O O O O O O O O O N N N N N N N N N N- O) N r- r - N - N N CO r— Date 00 O O O O O N N N N N N N (O O V CON (O O CO \ - \ - \ - N N M 50 40 t 20 Cl 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 2000 0 1 • �I� I�I� III •II f 0 0 0 0 0 0 0 0 N N N N N N N N lf) W M N r- CV CVr— r— r— r— r— N O CO O CO O O O CO O CO O CO Rainfall -Tar River average daily discharge at Greenville, NC O 4 3.5 3 2.5 2 1.5 1 0.5 0 4- C-100 Salinity (psu) 25 20 15 10 0 LOCS1 Salinity and Depth September -October 2020 PCS Phosphate Vvcf 41,77 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N O) W N N N \O N N Date M 0 — 60 — 50 — 40 30 — 20 — 10 0 s 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 N 0 07 r- 0 N W 0 N N 0 N 0) N 0 N 0 0 0 0 0 0 0 N N N N N N r— N N V) 0 0 0 0 0 Rainfall —Tar River average daily discharge at Greenville, NC 3.5 3 2.5 2 1.5 1 05 0 C-101 Salinity (psu) 21 18 15 12 0 LOCS1 Salinity and Depth November -December 2020 PCS Phosphate II 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) 6) Cr) N- U O) M N- U c) M N- N N N N N N N s- s- s- \ \ N N N N N N Date 50 — 40 — 30 20 10 0 a CI 'Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 28000 26000 d 24000 th 22000 20000 18000 v 16000 14000 d 12000 a1 10000 03 8000 v 6000 4000 a 2000 0 0 0 0 0 0 0 CNN CNINN N N N (7, 11/2 11� 11 . 1 . 1•�1 0 0 0 N N N C) N- N N N 0 N 12/1 I 4.. I . I . 0 N N N C) N- M 0 0 Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 — 4 =_ 3 5 '-' 3 Tts 2.5 C 2 1.5 1 05 0 C-102 Salinity (psu) LOCS2 Salinity and Depth January -February 2020 PCS Phosphate 21 18 15 -ill/ 12 6 — 3 — 0 0 N 50 — 40 — 30 — 20 — 10 0 o 0 0 0 0 0 0 N N N N N N N N Lc) O) Cn N- U O) N N N N N Date 0 o 0 N N N CO 0 N x- x- N N 0 N CO N 0 N N N N 0 N CO N N 0 i Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 0 0 0 0 (N (N (N (N (N LO 0) M I"-- N 0 N Lo N 0 N N 0 N N N 0 N O N 0 N O 0 N 0 N W 0 N N N N 0 N O N N Rainfall —Tar River average daily discharge at Greenville, NC C-103 Salinity (psu) 21 18 15 12 6 LOCS2 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 3 - 0 0 - 30 r 20 - 10 O O O O O O O 0 N N N N N N N N �() ) M N- (f) 0) N CO CO- N N N V M M M M M Date O O O O 0 N N N N N COO V CON V V V V V 00 N N (O O (N(M V 0 t a) 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 14000 12000 10000 8000 6000 4000 2000 — 0 0 0 CO 0 W CO 0 N N r- 0 CO 0 0 W 1 , 1 , 1•,•I ll , h•1 , 1 , I� r, 00 N N N (O V V O O 0 0 N N N N V o N N V V V V 0 O V Rainfall —Tar River average daily discharge at Greenville, NC 0 0 CO 3 2.5 2 1.5 0.5 0 - (73 C-104 Salinity (psu) 21 18 15 12 LOCS2 Salinity and Depth May -June 2020 PCS Phosphate 6 - 3 - 0 0 0 0 0 0 0 0 0 N N N N (NIN (NIN U) O) M r- l() O) - N (V (V (() l() (() (() l() 1 50 - 40 20 - 10 0 0 0 0 0 0 0 0 N N N N N N N N N (O O V CO N (O O \ - \ - \ - N (V Date 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 24000 22000 - 20000 - 18000 16000 - 14000 12000 - 10000 - 8000 6000 2000 2000 0 F l in, . 1 1I In, 1 1 1 1 •'I 1' .-1 1 1 1•-1 . 1. 1' 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N (fI W M r- Lc) (f) (f) 3 2.5 2 1.5 0 0 0 0 0 N N N N N N- (C) 6) N (0 O V CO N (0 O N N N- N- N N M LC) LC) lf) Rainfall -Tar River average daily discharge at Greenville, NC 0.5 - (73 ♦Y C-105 Salinity (psu) 21 18 15 12 0 LOCS2 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 1 0 t — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N C- () 0) M f— U) O) N (O O.1- CO (O O N N N CO _ - N N M Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 0 0 0 0 0 0 NNNNNNN lf) O) C) N N N 0 N CO 'Iti I I 'I 'I 'I -'I Iti I I 'I I I 0 N N (O 0 CO 0 0 0 0 N N N N • CO N (O \ - \ - N N Rainfall -Tar River average daily discharge at Greenville, NC 0 0 CO 4 3.5 3 2.5 2 4- 1.5 .E 1 0.5 0 C-106 Salinity (psu) 21 18 15 12 LOCS2 Salinity and Depth September -October 2020 PCS Phosphate 0 O O O O O O O O O O O O O O O O N N N N N N N N N N N N N N N N l() CD r-- U) a) M r-- «) a) M r- (7IN N 0 0 N N M o) o) CD CD CDN— N— 0 0 0 0 0 0 Date 70 60 50 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 I Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge O O N ON M r- O N W O O O O r-- N N O O W W O N LC) O N Rainfall —Tar River average daily discharge at Greenville, NC O N 3.5 3 2.5 2 1.5 05 0 4- F C-107 Salinity (psu) 21 18 15 - 12 9 3 — 0 LOCS2 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) ) Cr) N- U O) M N- U co M N- N N N N N N N s- s- s- \ \ N N N N N N Date 50 — 40 — 30 — 20 10 0 s CI Depth (inches) Salinity (psu) 28000 ^ 26000 d 24000 22000 20000 18000 16000 14000 a) 12000 En 10000 c0 8000 v 6000 N 4000 0 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge F1 •111 '1 0 0 N N N 0 0 0 0 N CNN N LO VI N N 0 N 1 1 1 '1 11 1 1 1 0 0 0 N N N C) N- CV CV N- N 'I 'I1 1 1 0 0 0 N 0 0 N N N M CV CV Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 35 3 2.5 2 1.5 1 05 0 ce C-108 Salinity (psu) TS1 Salinity and Depth January -February 2020 PCS Phosphate 21 18 15 fvvii 12 6 — 3 — 0 0 N 50 — 40 — 30 = s a CI — 20 — 10 0 N 10 0 0 0 0 0 0 0 N N N N N N N ) M N- U O) N N N N N Date 0 o 0 N N N CO 0 N N N 0 N CO N 0 (N (N (N (N 0 N N N 0 Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 (N 0 (N Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 (N 0) 0 0 N N 0 0 0 (N 0) N 0 (N (N (N 0 N (N 0 N O 0 (N N 0 (N CO N 0 N N N 0 Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 0.5 C-109 Salinity (psu) 21 18 15 12 TS1 Salinity and Depth March -April 2020 PCS Phosphate 0 O 50 - 40 O O O O O O N N N N N N CO CO 0 0 N N W N N � Date O O O O O N N N N N • CO � N V V V V - 30 t - 20 a) - 10 0 O Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 4000 2000 — 0 • Iti I N N CO O CO O O CO O O W O O O . I . Il Il I . Il I . I O N N N N (o 0 N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 0.5 0 C-110 Salinity (psu) 21 18 15 12 TS1 Salinity and Depth May -June 2020 PCS Phosphate 6 — 3 — 0 4 0 0 0 0 0 0 0 0 0 CNINCNICV N N N CVN O O) c) N- O 0) N O O O - N N N O LC)O O Date I11 50 — 40 N N N N N CO 0 • CO N CO N CO O O O 20 — 10 ■o N N CO 0 N CO CO CO 30 c s 0 o Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 0 N N O O O Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge N O O 0 0 N- 0 N N O 0 N O N O 0 N W N F- III) I • II I • I •-I 0 0 0 N N N N CO 0 O O 2.5 2 -11'•-I •'I' I -•'I •-I ly 0 0 0 0 0 0 N N CNN N ▪ CO CV CO 0 N N CO O -Co‘- Rainfall —Tar River average daily discharge at Greenville, NC C-111 Salinity (psu) 21 18 12 TS1 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 9 — 1/Y 6 — 3 — l l 1 �� I i l p — 30 t — 20 GJ — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N �() W M f— - �[) WCO CO N (O O_ V c0 N (O O N N N - N N co r— r— r- co co co 00 00 Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 N N r- ` 0 W r` VII 0 N N M r- 0 r` 0 (() r` 0 W r` 0 CO 0 CO 4 3.5 3 2.5 2 1.5 1 0.5 I —, I II ti I I I I I 0 0 0 0 0 0 0 N N N N N N O V CO N (O O N N CO Rainfall —Tar River average daily discharge at Greenville, NC C-112 Salinity (psu) 21 18 15 12 0 TS1 Salinity and Depth September -October 2020 PCS Phosphate A h 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N CV N CV N N CV N CVCV CV LC) 0) M r-- U) a) M r-- - «) a) M r- W - N N N 0 0 N N o) o) o) (3) (3)N- N- 0 0 0 0 0 0 Date 70 60 50 40 - 30 - 20 - 10 0 t a) Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 0 W W 0 0 N N M r- 0 W 0 0 0 0 U() O) M r-- N N O O W W 0 LC) 0 0 W 0 0 N N M r- N N 0 0 Rainfall -Tar River average daily discharge at Greenville, NC 0 3.5 3 2.5 2 1.5 1 05 0 4- (73 C-113 Salinity (psu) TS1 Salinity and Depth November -December 2020 O 0 0 N N N N W (+) N- 0 0 N 0 N PCS Phosphate 0 N Lo N N 0 N Date 0 N N 0 N 0 0 N N U) O) 0 N C.)) N 0 N N 0 N M 50 40 30 20 10 0 a CI Depth (inches) Salinity (psu) 28000 26000 d 24000 u 22000 20000 18000 M 16000 • 14000 d 12000 En 10000 co 8000 6000 y • 4000 0 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge O O N N III I 1 1 -I~ 1 11 0 0 0 NNNNN 0) M N- U) - N N 0 0 1 1 1 .1--, Iti 1 1 11 N N N M N- N N - N O O 0 N N N U O) cC) - N O 0 N N r N M N N Rainfall Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 c 35 3 io 2.5 C 2 c 1.5 1 05 0 C-114 Salinity (psu) 21 18 15 12 9 — 6 — 3 — 0 N TS2 Salinity and Depth January -February 2020 PCS Phosphate 11 50 — 40 — 10 0 0 0 0 0 0 0 0 N N N N N N N N �O O) M N- U O) N N N N N Date 0 0 0 N N N CO 0 `71- N N N 0 N N N 0 s a CU CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 0 0 0 0 0 0 0 N N N N N N N N - N N 0 0 0 0 0 0 N N N N N N N CO 0 V a0 N N N - N N N - N N 0 N O N N Rainfall -Tar River average daily discharge at Greenville, NC 2.5 0.5 C-115 Salinity (psu) 21 18 15 12 TS2 Salinity and Depth March -April 2020 PCS Phosphate 6 - 3 - 0 50 - 40 - 30 - 20 - 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N (() O) M N. U ) O) N CO M - N N N V M M M M M Date 0 0 0 0 0 N N N N N COO V CON � - N V V V V 00 N N COO N CO V 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 — 0 , i1 ,� 1, ',-1 , ii I, 1, 11 i i i i 1'ri i i',I r1 1 ,' i i� i, i i i iI 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N (C) W M N- W N (O O_ V CON (O O M M M N N N - N N co M M M M M ▪ V Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 - (73 C-116 Salinity (psu) 21 18 15 12 — 9 6 — 3 — TS2 Salinity and Depth May -June 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 N N N N N N (NN U) co M r— l() O) - N (N(NI (() l() (() (() 1 ) Pi — 50 — 40 30 20 — 10 0 0 0 0 0 0 0 0 N N N N N N N N N (O O V c0 N (0 O COCO - \ - \ - N (NI CO Date 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 24000 22000 — 20000 — 18000 16000 — 14000 12000 10000 — 8000 6000 4000 2000 0 . . Ok i . i■.■ , Oki . a 1 .- ■r -r ■.- .■ a -r .- . . 0 0 0 0 0 0 0 0 0 N N (NN N N N N O O 0 N N N (f) ) LC) (f) lf) O O O O 0 N N N N N r- (() O) N (O 0 V CO N (O 0 N N (9N N M lf) lf) lfI lfI lfI (O (O (O (O (O (O Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 - (73 C-117 Salinity (psu) O TS2 Salinity and Depth July -August 2020 O W O O N N M r- PCS Phosphate O W Date O CO O O O CO O CO O CO Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge O O O O O O O O N N N N N N N N N N N I VI • • h O CO O O N N (O O CO O O CO O Rainfall -Tar River average daily discharge at Greenville, NC O M 4 3.5 3 2.5 2 1.5 1 0.5 R co C-118 Salinity (psu) 21 18 15 12 9 6 — 3 — 0 TS2 Salinity and Depth September -October 2020 PCS Phosphate Ogi 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N \ - \ - N - N (V O O) O) O) - O 0 Date 0 0 0 0 N N N N ) M r— \ - N N M 70 60 50 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 0 N W W 0 N N 0 W 0 LC) N W 0 W N W N 0 0 N N U) Cr)M r- 0 N N N M O O O O O N- 3.5 3 2.5 2 1.5 1 05 I I I 0 0 0 0 0 0 N N N N N Rainfall -Tar River average daily discharge at Greenville, NC 4- (73 a' C-119 Salinity (psu) TS2 Salinity and Depth November -December 2020 0 0 0 0 0 N N N N N 6) C) r PCS Phosphate 0 0 0 N N N u, 0) N N N 0 N c) N Date 0 N N 0 N 0 0 N N 0 N c) N 0 N N 0 N 50 40 30 20 10 0 Y w 0 Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and Tooley Creek Rain Gauge 28000 6 ^ 26000 — 5.5 d 24000 5 to 22000 — 20000 — 4.5 '1 18000 — 4 M 16000 — 3 5 CS 14000 — 3 Ts as 12000 — 2.5 C E) 10000 — 2 'Fs c0 8000 t 6000 1.5 IX y 4000 — 1 2000 T 0 5 0 IHHHHH I 1 1 '1 1 1 1 '1 11 1 1 1 1' 1 I--,HHHHI 0 0 0 i ii: N N N N - CV CV VI N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC C-120 Salinity (psu) 21 18 15 12 PS1 Salinity and Depth January -February 2020 PCS Phosphate 0 , , , , , , , 0 0 0 0 0 0 0 0 0 N N N N N N N N N O) N N N N Date 0 0 0 N N N CO 0 `71- N N N 50 — 40 N 0 N N N — 30 i V 20 — 10 0 a CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge II • I • I .-1-•-I • I • 1• -1 . 1 • II Iu 1 • 1 0000000 N N N N CNN N L M N 0) N N • I • I • I • I • I .'I • I -•-I .II .II • I-•-II..I 0000000 N N N N CNN N N CO 0 CO N CO CVN N N CV CV CV CV CV Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 0 C-121 Salinity (psu) 21 18 15 12 0 PS1 Salinity and Depth March -April 2020 PCS Phosphate 111 �.J 0 0 0 0 0 0 0 0 0 N N CNN N N N CNN U O) C) N- 10 O) N M M M CV CV M C C) C) Date 0 o 0 0 0 N N N N N CO 0 CO N 0 N O N — 50 40 — 30 — 20 — 10 0 0 N 0 Depth (inches) Salinity (psu) 16000 14000 — c> 0 12000 = 10000 — 8000 — 6000 — s 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 N M 0 N 10 M 0 N 0) Cc) i 11 11','1 0 N M M 0 N 10 N M 0 N N M 0 0 N N N N N CO \ \ 0 0 0 N 0 CO 1'. 1 0 0 0 N NCV CO 0 N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 0 C-122 Salinity (psu) 21 18 15 12 6 — 3 — 0 PS1 Salinity and Depth May -June 2020 PCS Phosphate 4 0 0 0 0 0 0 0 0 0 CNINCNICV N NCNICNIN lf) O) c ) N- O 0) N O O O - N CV CVO 10 LC)O CV Date N N CO 0 O — 50 — 40 30 20 10 PPP- 0 N N N N N • CO N CO 0 N N a) CO CO CO CO o Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 N O Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 0 0 0 NNNN N N O W O 7N N O O O , I , I','1-!I1 ,'I1 ,1 ,-I 1 1- 0000 N CNN N 0) N CO 0 Ds! CO CO 10 u0 CO N N N • CO N N CO CO CO O 0 N N CO 0 N C) CO CO Rainfall —Tar River average daily discharge at Greenville, NC 3.5 3 2.5 2 15 1 0.5 0 CO C-123 Salinity (psu) 21 18 15 1 12 — 9 — 6 — 3 — PS1 Salinity and Depth July -August 2020 PCS Phosphate 0 50 40 0 t r 1. 20 CD — 10 0 0 0 0 0 0 0 0 N N N CNN CNN N U O) cn N • N W Date 0 0 0 0 0 0 0 N N N N N N N (0 0 • CO N (0 0 CO N N c\ 00 00 00 CO CO00 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 2000 T t l 0 II ICI I I III• 0 0 0 0 0 0 N N N N N N U) 0) M N- 0 N N 0 N N 0 N N CO 0 N CO 0 N 0 N CO 00 0 N N N CO 0 N N CO Rainfall —Tar River average daily discharge at Greenville, NC 0 N 0 00 2.5 2 = 1.5 1 'ra 0.5 0 C-124 Salinity (psu) 33 30 27 24 21 18 15 12 9 6 3 0 PS1 Salinity and Depth September -October 2020 PCS Phosphate M1 O O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N N - l() ) M r-- - l() ) M r-- - «) a) M r— - N N N 0 \ - N N - 0 0 W O) O) Date 60 — 50 — 40 — 30 t a) 0 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 rn 0 N I1� -I • I •�I O 0 0 N N N W N O 0 W ) W O 0 Rainfall —Tar River average daily discharge at Greenville, NC 3.5 3 0.5 0 C-125 Salinity (psu) 21 18 15 — 12 — 9 — 6 — 3 — PS1 Salinity and Depth November -December 2020 PCS Phosphate 111 50 — 40 30 — 20 - 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) ) cr) N- U O) cn N- U co cn N- N N N N N N N ch s— s— s— N N N N N N Date 411 CI Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 28000 26000 d 24000 u 22000 20000 18000 0 16000 14000 d 12000 a1 10000 co 8000 v 6000 y 4000 a 2000 0 ,tI I I I I 'I N N N U) O) NNNN0000 LC ) N ( ) f•— N 7.5 7 6.5 6 55 5 = 4.5 4 = 3.5 3 = 2.5 ca 2 Ct 1.5 10.5 I 1 I I I� �I �I I 0 0 0 0 N N N C.) N- CV CV NNNNN00000 O) C) N- N N Rainfall —Tar River average daily discharge at Greenville, NC c) C-126 Salinity (psu) 21 18 15 12 HS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 0 0 N .4\ — 20 - 10 0 0 0 0 0 0 0 0 (N (N (N (N (N (N (N (N �[) ) C) N- Cf) O) (N N N N Date 0 0 (N (N (N (N N CO 0 • CO N N N N N N N 0 0 0 0 N N N 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N 0 (N Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 (N N N (N CO 0 (N (N N 0 0 0 0 NNNN • CON CO - N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 0 C-127 Salinity (psu) 21 18 15 12 0 HS1 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 — 30 00 0 0 0 0 00 0 N N CNCNINN N CNN U O) M N- 10 O) N M M i N N M M M M Date 0 0 0 0 0 N N N N N CO 0 CO N 0 N N a 20 — 10 0 0 N 0 c)) a CI 'Depth (inches) Salinity (psu) 16000 ^. 14000 — c> 0 12000 10000 — 8000 — 6000 s 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 .i�i.i.i.iei.i 0 0 0 0 N N CNN L0 0) C) M M M 0 N 0 N N 0 N 10 N 0 N 0) N 0 N N 0 N 0 N 0 .-1.i•.ili.ili.i. o o N N CO 0 0 N NCV CO 0 N N N a) Rainfall —Tar River average daily discharge at Greenville, NC 0 3 2.5 2 1.5 ca 9— 0.5 0 ce C-128 Salinity (psu) 21 18 15 12 HS1 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 — 30 s a 0 0 N 0 0 0 0 N N N N O O N- x- O O 0 0 0 0 NCVN N \ O O) N N N O O O Date A 0 0 0 0 0 N N N N N CO 0 't CO N CO N CO CO CO CO 0 N O N CO — 20 10 0 0 N 0 C.) C0 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 . 1 • 1'•'1 . 1 . 1 . 1 > t . I - Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 0 0 CNN NNN O O 6 N- O O O 7 s_ 0 0 0 0 N N N O W N N N 10 10 0 0 0 0 0 N N N N N • CO N CO0 N N C)) CO CO CO CO CO Rainfall Tar River average daily discharge at Greenville, NC 3.5 3 2.5 2 15 1 0.5 0 C-129 Salinity (psu) 40 35 30 25 20 15 10 HS1 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 0 0 0 0 0 0 0 0 N N N N N N N U O) C) N- NN- — 30 — 20 0 — 10 o 0 0 0 0 CNN CNN N O) N COO N O CO r W 00 Date 0 0 0 0 N N N N 00 N CO 0 N N cam) 00 c0 c0 c0 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 N N N 0 0 N N 0 N N 0 N N 0 N O N 0 N N CO 0 N O CO 0 N 0 0 0 0 N N N CON CO N N 00 00 00 Rainfall —Tar River average daily discharge at Greenville, NC 0 N 0 M CO 2.5 2 C 1.5 R 1 .Fs 0.5 0 C-130 Salinity (psu) 30 25 20 15 10 HS1 Salinity and Depth September -October 2020 PCS Phosphate I' 0 0 1m 50 — 40 30 20 — 10 O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N l() O) M r-- - U) O) M r-- - «) O) M r-- - N N N 0 0 - N N M o) o) o) o) o) - o - 0 - 0 0 0 0 Date 0 t a) 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 0 W 0 LC) W Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 W W 0 0 N N M r- 0 W 0 LC) W 0 W W 0 0 LC) 0 W 0 N N M r- N N O 0 Rainfall —Tar River average daily discharge at Greenville, NC 0 4 3.5 3 2.5 2 4— 1.5 .E 1 0.5 0 C-131 Salinity (psu) 30 25 20 15 10 0 HS1 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N LC) 6) C) N- O) cn N- U co cn N- N N N N N N N s- s- s- \ \ N N N N N Date 50 — 40 — 30 — 20 — 10 411 CI Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 28000 26000 0 24000 ca y 22000 20000 18000 16000 14000 d 12000 En 10000 co 8000 6000 4000 0 2000 ,I 0 #1.1.1.1.11.1•III•-II11IIIllII 0 0 0 N N N iC) O) 0 0 0 N N N N 0 0 0 0 NNNN U ) O) c.) N- N N N N MI o 0 0 N N N U 6) 0 N N 0 0 N N N C7 Rainfall —Tar River average daily discharge at Greenville, NC 7.5 7 65 6 55 5 4.5 4 = 3.5 3 2.5 ca 2 Ct 1.5 1 0.5 0 C-132 Salinity (psu) 21 18 15 12 9 6 3 — 0 HS2 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 — 20 - 10 O 0 0 0 0 0 0 0 0 N N N N N N N N N if) O) N N N N Date O O N N N N N CO 0 • CO N N • N N N N O O 0 0 N N 0 a CI 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge '1 I , I-*- I 1 II Iu I , IJI , I , JI I'rl .11 ,1I , IIIII,•I 0 0 0 0 0 0 0 0 N N N N N N N N O) M N- if) O) N N N 0 0 0 0 0 0 0 N N N N N N N N CO 0 CO N CO N N N N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 0 C C-133 Salinity (psu) 21 18 15 12 0 HS2 Salinity and Depth March -April 2020 PCS Phosphate 0 N 0 N M M 0 N 0 N N M 0 N 10 N c) 0 N N c) Date 0 N N 0 N 0 N 0 0 N 0 N O N 50 40 30 s a 20 10 0 0 N 0 cc)) 'Depth (inches) Salinity (psu) 16000 ^. 14000 c> - 0 12000 10000 8000 6000 s 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge -I . 1l I . I . 1•ll 0 0 0 0 0 0 0 CNINCNCNCVN N 10 O) CO r 10 M ch ch 75 CO CO N N 0 0 0 0 0 N N N CNN ) N (O 0 V V M 0 N c0 0 0 0 N N N N CO 0 N N C) `71- Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 0.5 ce C-134 Salinity (psu) 21 18 15 12 0 HS2 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 — 20 0 0 0 0 0 0 0 0 0 N N N N N N N N N �() 6) M N- (f) O) N - N N N (() l[) (() (() U ) CO Date 10 0 0 0 0 0 0 0 0 N N N N N N N CO 0_ V CO N (O 0 CO- N N M O O O CO 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 24000 22000 — 20000 — 18000 16000 14000 12000 10000 — 8000 6000 4000 2000 0 . 1. 1-.-1 . hi 0 0 0 0 N N N N «) 6) M lf) lf) (f) 0 11. 11.11 1 . 1 . 1 . 1I 1 . 1 . 1IJ1-JII I .uI( I JI I. . I . I- 0 0 0 0 0 N N N N N (() 6) N (O 0 N N 0 0 0 0 0 N N N N N V CO N (O 0 - N N M O O O Rainfall —Tar River average daily discharge at Greenville, NC 3.5 3 2.5 2 15 1 0.5 0 - (73 C-135 Salinity (psu) 30 25 20 15 10 HS2 Salinity and Depth July -August 2020 PCS Phosphate 50 — 40 11. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N U) 0) M r— U) ) N CO O_ ,r co (NI N N N co c (NI Date 30 t 0. 20 G) 0 — 10 0 0 N N (O 0 N CO 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 0 0 0 N N N N N N - «) W M f— r-- - N 0 0 0 0 0 N N N N N N O V CO N (O O N N (M Rainfall —Tar River average daily discharge at Greenville, NC 2.5 2 1.5 1 0.5 0 4- a' C-136 Salinity (psu) 21 18 15 12 0 HS2 Salinity and Depth September -October 2020 PCS Phosphate LiL 50 —40 — 30 L 20 a) — 10 O O O O O O O O O O O O O O O 0 N N N N N N N N N N N N N N N N - l() ) M r-- - l() ) M r-- - «) a) M r- - N N N 0 - N N W W a)W W - O - O - 0 0 0 0 Date 0 Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 N W W 0 N N M r- O 0 N N N N N LC) N N 0 O) M r- 0 0 W W W O 0 0 0 0 N LC) 0 N W 0 N N M f� N N O 0 Rainfall —Tar River average daily discharge at Greenville, NC 0 C-137 Salinity (psu) 21 18 15 12 0 HS2 Salinity and Depth November -December 2020 PCS Phosphate 111 t, a 50 — 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N u') ) C) N- U O) c') N- 0) c') N- N N N N N N N 7)s- s- N- \ \ N N N N N N Date a CI Depth (inches) Salinity (psu) 28000 26000 d 24000 y 22000 20000 18000 M 16000 14000 d 12000 En 10000 03 8000 6000 y 4000 0 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge rl 0 N HHHI 0 0 N N U 0) 0 0 0 0 N N N N N N 7 7.5 7 6.5 6 55 5 = 4.5 4 = 3.5 3 = 2.5 2 Ct 1.5 1 I h•HIHHH I 711 I I 0.5 0 0 0 0 0 0 0 0 N N N N N_ N_ N N N_ VILO N- N N N N Rainfall —Tar River average daily discharge at Greenville, NC 0 N C-138 Salinity (psu) 21 18 15 12 0 HS3 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 I I i — 30 = s a 0 0 0 0 0 0 0 0 0 0 (N (N (N (N (N (N (N (N (N U O) M N- U O) (N N N N N Date 0 0 0 0 0 (N (N (N (N (N (0 0 • CO (N N N N N N (N 0 (N (N (N 20 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 0 00 N N CNN iC) O) a) Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 1• 1• 1 •-I-•-1 j 1 1 1 II1 1 N N N N N N 00 N N N (0 N N 0 00 00 N N N N N o • CO N CO - N N N - N N N N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 c 1.5 CU C 1 � 0.5 0 C-139 Salinity (psu) 21 18 15 12 9 HS3 Salinity and Depth March -April 2020 PCS Phosphate - 50 3 - 0 �i 1- 40 9 0 0 0 0 0 0 0 0 0 NNNNNNNNN O) C) N- 10 O) N M M M N N N M C CO CO Date 0 0 0 0 0 N N N N N CO 0 • CO N 0 N O N - 30 20 - 10 0 0 N 0 'Depth (inches) Salinity (psu) 16000 "` 14000 t) • 12000 10000 8000 - a1 6000 - s 4000 to • 2000 — Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 0 0 N N N N 10 O) C) r M Ci Ci N 3 2.5 2 1.5 0.5 I,i'i!l'i i,i'ri,i','i-,•i,i,'i,-i,i•,-i'i,i'i,i,iI 0 0 0 0 0 0 0 0 0 0 NNNNNNNNN 10 O) N CO 0 V CO N N c ) CO V � 0 0 0 N N N N CO 0 N N cam) Rainfall -Tar River average daily discharge at Greenville, NC - C-140 Salinity (psu) 21 18 15 12 HS3 Salinity and Depth May -June 2020 PCS Phosphate 9i 6 - 3 - 0 0 (V 50 - 40 20 - 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N �() ) M N - - (() O) N (O O_ V CO N CD - N N N CD CD- N N CO(O (O (O CD CD Date Date 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 24000 22000 - 20000 - 18000 16000 14000 12000 10000 - 8000 6000 4000 2000 0 . I . I . I . I 1 I'. /I.II . I . J II .-I . I.. I . Iu I . I . 7.I1.I1 I JI 0 0 0 0 N N N N M N - (() O) N 6O N N N co lfI lfI Lc) lf) lf) (O 0 0 0 N N N LC) O) l() (() (() 0 0 0 0 N N N N 0 N 0 N CO 1.'1.-1.1.1" 0 N N N N (O O N N CO CD C 0 0 Rainfall -Tar River average daily discharge at Greenville, NC 3.5 3 2.5 2 15 1 0.5 0 - C (73 C-141 Salinity (psu) 30 25 20 15 10 HS3 Salinity and Depth July -August 2020 0 W r` 0 N N M r- 0 r- PCS Phosphate 0 LC) r` 0 N W N Date 0 CO 0 CO 0 0 0 0 CO 0 CO 0 CO 0 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 2000 0 �I 111 1 tr 1 1 1 I",1 S 1' 1 O O O O O 0 N N N N N N U[) O) C) f— N r` r` O O 0 N N N �[) O) N N N r- r` II I I., I 11 Iti �I O 0 N N (O 0 -65 0 O O 0 N N N N O N (O O N N M 05 CO CO Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 0 R (73 C-142 Salinity (psu) 30 HS3 Salinity and Depth September -October 2020 PCS Phosphate 27 24 21 — 18 1 15 — 12 - 9 — 6 — 3 — 0 v 41'4 \ksk0 i icivArmik'Phdwk-INJ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N LC) u) i- f) O) N) CS) N N N O - N N M Date 60 — 50 — 40 — 30 — 20 — 10 0 CI Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0 0 0 0 0 0 0 0 (N (N (N (N NNNNN lf) U O) M N- W N) N O O 0 0 0 0 N N N N U ) M - N 0 - 0 0 0 N N 0 Rainfall Tar River average daily discharge at Greenville, NC 0 (N r7) 0 4 3.5 3 2.5 2 1.5 1 0.5 0 C C-143 Salinity (psu) 21 18 j 15 — 12 — 0 9 6 — 3 — HS3 Salinity and Depth November -December 2020 PCS Phosphate 50 — 40 L 30 — 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - lf) O) M r-- 0 a) M r-- - «) a) M r-- - N N N N N - N N (M s- s- - s- - N- N- - N - N - N N N N Date t a) Depth (inches) Salinity (psu) 28000 26000 d 24000 • 22000 20000 • 18000 • 16000 • 14000 y 12000 a) 10000 • 8000 t 6000 N 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Huddles Cut Rain Gauge 0 0# 1 1 1 1 1 1 - 1 1 1 1 -1 1 -1 0 0 0 0 0 N N N N N -L) W (M r- 0 0 0 N N N N N LC) 6) c I I { 0 0 N N M r- CV 12/11/20 0 0 0 0 CV CV CV CV Rainfall —Tar River average daily discharge at Greenville, NC 7.5 7 6.5 6 55 5 E 4.5 4 3.5 3 c 2.5 2 lam' 1.5 C-144 Salinity (psu) 21 18 15 12 PCS1 Salinity and Depth January -February 2020 PCS Phosphate 0 0 N 80 — 70 — 60 — 50 — 40 - 30 — 20 It 10 0 0 0 0 0 0 0 0 N N N N N N N N �) O) N N N N Date 0 0 N N CO 0 N N 0 `71- N 0 N N N 0 s CU CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 N 0 N M O 0 N_ N � N 0 N 10 N 0 N N 0 N N N 0 N O N 0 N O 0 N 0 N CO 0 N N N N 0 N O N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 0.5 C-145 Salinity (psu) PCS1 Salinity and Depth March -April 2020 PCS Phosphate 0 W CO 0 N N M r- 0 CO 0 (() 0 W Date 0 0 0 O V 0 CO 0 0 O 0 0 CO 80 70 60 50 C 40 a) 30 0 20 10 0 Depth (inches) -Salinity (psu) 16000 ^. 14000 t� a) • 12000 12000 Zit 10000 • 8000 a1 6000 - t 4000 2000 0 - Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 IIIIIIIHHIIIHIH O O O O O O O 0 N N N N N N N N CO M N N N M M M M O 0 N N N CO V V O 0 0 N N N 0 V V V 0 0 O Rainfall -Tar River average daily discharge at Greenville, NC 0 0 CO 2.5 2 1.5 0.5 0 4- (73 C-146 Salinity (psu) 21 18 15 12 PCS1 Salinity and Depth May -June 2020 PCS Phosphate 9 — 6rArliNik,"\ 3 — 0 0 N — 80 — 70 60 �r— 50 \11 40 — 30 — 20 10 l s iflAiinqr- 0 0 0 0 0 0 0 0 N N N N N N N N �() ) M N- (f) 0)(NI N N (V (() l[) (() (() lf) Date 0 0 0 0 0 N N N N N (O O_ V c0 N - N 00 CNIN (O O N M 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 15000 13000 11000 9000 7000 5000 3000 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 0 0 0 N N N N N N «) O) M N- - N (f) 0 0 0 0 0 0 N N N N N N N N N (V (() 0)(NI (O O_ V co N (O O N N - N N M Rainfall —Tar River average daily discharge at Greenville, NC 4 3.5 3 25 2 1.5 0.5 0 - C (73 C-147 Salinity (psu) 21 18 15 12 - 9 l 0 PCS1 Salinity and Depth July -August 2020 PCS Phosphate — 80 — 70 11) C 1 '044 60 , 50 — 40 r G) — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - �() W M N- - �[) W N (O 0 V c0 N (O 0 r--CO N N - N N M t- ` t` r- co co co 00 00 co Date 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 r II1 11, Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N (() W (() O) N CO 0 N N CO CO 0 N 0 N 0 N N N 0 N O N CO Rainfall —Tar River average daily discharge at Greenville, NC 0 N 0 CO 4 3.5 3 2.5 2 4— 1.5 .E 1 0.5 C-148 Salinity (psu) 21 18 15 12 0 PCS1 Salinity and Depth September -October 2020 PCS Phosphate I' 11 T 90 80 70 60 50 - 40 id- 30 '-20 - 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - l() O) M f- - l() O) M f- - «) O) M f- W W - N N N 0 0 - N N M W W W O) O) - O - O - O O O O Date 0 a) Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 0) 0 LC) 0 W 6) 0 N N M r- ,I,I,I,I,II,II 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N - N N 0 0 CV W 6) 6)- O - O - O - O O O Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 R 2.5 2c3 1.5 0.5 0 C-149 Salinity (psu) 21 18 15 12 0 PCS1 Salinity and Depth November -December 2020 PCS Phosphate VI� L AnA — 90 — 80 — 70 — 60 — 50 40 w 0 — 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N u') O) CO N- u O) c`') N- u7 co c`') N- N N N N N N N s- s- s- N- \ N N N N N N Date — 20 } 10 11 0 'Depth (inches) Salinity (psu) Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 28000 26000 d 24000 _ u 22000 20000 18000 _ v 16000 14000 d 12000 a1 10000 03 8000 v 6000 y 4000 6 2000 0 0 0 N N N 0 0 0 0 N N N N N N 1 1"... 1 1 I'r1'r1 ti •'1 1 1 1 1 1 0 0 0 N N N C) r N N N 0 N N N N N N- N- N N M N N N N N 0 0 0 0 Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-150 Salinity (psu) 21 18 15 12 PCS2 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 — 30 = 3 — 0 0 N 0 N 10 0 0 0 0 0 0 0 N N N N N N N O) N N N N Date 101 0 o 0 N N N (0 0 `71- N N N N 0 N N N s 20 p� 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 N 10 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 N 0 0 N N M r 0 N 0 N 10 N N 0 N N 0 N N N 0 N N 0 N O 0 N 0 N CO 0 N N N N 0 N N N Rainfall —Tar River average daily discharge at Greenville, NC 2.5 0.5 C-151 Salinity (psu) 21 18 15 12 0 PCS2 Salinity and Depth March -April 2020 PCS Phosphate 50 - 40 - 30 2 - 10 O O O O O O O O O N N N NC,' N N N N (() O) M r- (() O) N CO CO - N N N V M M M M M Date O O O O O N N N N N (0 O V CON - N • V V V V 00 N N (O O (V CO 0 t a) 'Depth (inches) -Salinity (psu) 16000 14000 y 12000 10000 • 8000 a1 6000 Fr t 4000 2000 0 - Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge O O O N N N (f) O) co co co O 0 N N M r- 0 N CO 0 N LC) N 0 N W N 0 N N 0 N 0 N O I , I1 11 I , 11 I , I Rainfall -Tar River average daily discharge at Greenville, NC O N O CO 3 2.5 2 1.5 1 0.5 0 - (73 C-152 Salinity (psu) 0 N N LC) LC) PCS2 Salinity and Depth May -June 2020 PCS Phosphate 0 W LC) 0 N N M r- 0 LC) 0 LC) 0 W Date 0 0 0 0 0 0 CO 0 m 0 (.0 0 0 50 40 a) 20 Cl 10 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 25000 23000 21000 19000 17000 15000 13000 11000 9000 7000 5000 3000 1000 -1000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 0 0 0 0 0 0 0 0 0 0 0 LC) W LC) LC) 0 CO Rainfall -Tar River average daily discharge at Greenville, NC O 4 3.5 3 2.5 2 1.5 0.5 0 C-153 Salinity (psu) 21 18 15 12 0 PCS2 Salinity and Depth July -August 2020 PCS Phosphate 50 - 40 30 C t d 20 p - 10 O O O O O O O O O O O O O O O O N N N (NI N N (NI (NI (NI (NI (NI (NI (NI (NI (NI (NI - (C) CDM r- �[) O) N CO O_ V CO (NI COO N (NI (NICO - N N CO r- r- r- r- 00 00 00 O O 00 Date 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 , I: �I,I HH �II I 0 0 0 0 0 0 0 N N N N N N N lfI O M r-- r-- (CI 57.1 N f� f� - rr- Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge O O O N N N O) N (O co I HI' I I, I III I O O O O O N N N N N O_ V CO (NI CO - N N Co O co co Rainfall -Tar River average daily discharge at Greenville, NC O CO 4 3.5 3 2.5 2 4- 1.5 .E 1 0.5 0 C-154 Salinity (psu) 21 18 15 12 0 PCS2 Salinity and Depth September -October 2020 PCS Phosphate vAt — 60 — 50 — 40 30 — 20 — 10 O O O O O O O O O O O O O O O O N N N N N N N N N N N N N N N N - U) O) M f- - l() ) M f— - «) O) M f- W W - N N N 0 - N N W W W O) O) - O O O O O O Date 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge O O O O O O O O O O O N N N N N N N N N N N - l() W O) M f- W N N 0 0 - N W - W - W W W - O O - O O 1.1.1.-I.1.I11.1.I O N M O O O N N N U) O) (+) O N N O O Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .Fs 1.5 0.5 0 C-155 Salinity (psu) 21 18 PCS2 Salinity and Depth November -December 2020 PCS Phosphate 12-- 3 — 50 — 40 — 30 — 20 — 10 0 0 0 0 0 0 0 0 0 N N N N N N N N N - LC) 6) C) r U O) co - N N N N Date 0 0 0 0 0 0 0 Lo N N N N N N N N - N N 2 0 'Depth (inches) Salinity (psu) 28000 26000 d 24000 u 22000 20000 18000 M 16000 • 14000 d 12000 a1 10000 co 8000 ✓ 6000 • 4000 a 2000 0 0 N Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 1•1•1 r1'• 1 •1 •'I •1• N N N N N N - N N 1 0 N c) N 0 N N N N N N- U) 0) N N N N N C) N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-156 Salinity (psu) 21 18 15 12 DCS1 Salinity and Depth January -February 2020 PCS Phosphate 0 0 — 70 — 60 50 40 30 = 20 - 10 0 N LC) 0 0 0 0 0 0 0 N N N N N N N O) N N N N Date 0 0 0 N N N CO 0 N N N 0 N CO N 0 411 CI Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 1, 1, 1, 1 .11�,'I 1 1. 0 0 0 0 0 N N N izzN N - N 0 N N 0 N 0) N 0 N N N 0 N O N 1 11 11 ,'1','1i 1411.'1 0 0 0 N N N N N o • CO N CO N N N - N N N N 0 0 Rainfall —Tar River average daily discharge at Greenville, NC 2.5 2 1.5 1 0.5 0 C-157 Salinity (psu) 21 18 15 12 0 DCS1 Salinity and Depth March -April 2020 PCS Phosphate — 80 — 70 60 — 50 C 40 Q O O N N 0 0 0 0 0 0 0 N N N N N N N O) M r— O) N N N M M M M M Date O O O O O N N N N N c0 � N V V V V a) 30 0 — 20 — 10 0 O co Depth (inches) —Salinity (psu) 16000 ^. 14000 — t� - N 12000 10000 — 8000 — a1 6000 — - t 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 Il I.I I I . II.-1 . 1 . 1-rl•ll I I . I O O O N N N M r- O LC) O W O V O V O O V V O CO O V Rainfall —Tar River average daily discharge at Greenville, NC O CO 3 2.5 2 1.5 1 0.5 0 - (73 C-158 Salinity (psu) 21 18 15 12 DCS1 Salinity and Depth May -June 2020 PCS Phosphate 0 0 - 80 - 70 60 - 50 - 40 30 20 - 10 0 0 N N �() O) LC) 0 0 0 0 0 0 N N N N N N r- (C) W N N (NI CO (() l[) (- () (() 1 ) Date 0 0 0 0 0 0 0 N N N N N N N (O O V c0 N (O O N- N- N- (NI N CO CO 0 t a) Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 W LC) 0 N N M r- 0 N LC) 0 N (() 0 N 0) .I.I.I.1 0 0 0 N N N N (O O CO CO III .-I . . 0 0 0 0 0 N N N N N • c0 N (O O - N N M Rainfall -Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 - (73 ♦Y C-159 Salinity (psu) 21 18 15 12 9 6 0 DCS1 Salinity and Depth July -August 2020 PCS Phosphate — 80 — 70 60 50 — 40 t r a) — 30 — 20 — 10 0 O O O O O O O O O O O O O O O O N N N CV N N CV CV CV CV CV CV CV CV CV CV- (C) O) M f— U) a) N CO O_ V CON COO N CV CVCO - N N M Date Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 , 1 I` I11 I I� IIS II -I I h II-- I' Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge O O O O O O O O O O O O N N N N N N N N N N N N a) CV COO "I'N CV CV c O O O CO O CO O O CO Rainfall —Tar River average daily discharge at Greenville, NC O 4 3.5 3 2.5 2 1.5 1 0.5 0 4- C-160 Salinity (psu) 21 18 15 DCS1 Salinity and Depth September -October 2020 PCS Phosphate 12 0 O O O O O O O O O O O O O O O O N N N N N N N N N N N N N N N N - l() 0) M r-- - l() ) M r-- - «) ) M r— - N N N 0 \ - N N - 0 0 W O) O) Date 90 — 80 — 70 — 60 — 50 — 40 — 30 — 20 — 10 0 t a) Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge -1 11,11 1 1 O O O N N N N N N W M r-- - U) O) W - N N N W W W W W O O O O O N N M r- O O H 1 -1 Iti 1 1-, 1 Rainfall —Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 C 3.5 3 2.5 2 'R 1.5 0.5 0 C-161 Salinity (psu) DCS1 Salinity and Depth November -December 2020 0 0 0 0 0 N N N N N W M N- 0 N PCS Phosphate 0 N Lo N N 0 N 0 N M N Date 0 N N 0 N 0 0 N N U) O) 0 N cf) N 0 N N 0 N M 90 80 70 60 50 40 30 20 10 0 a CI Depth (inches) Salinity (psu) 28000 26000 24000 y 22000 20000 18000 • 16000 • 14000 d 12000 En 10000 03 8000 ✓ 6000 • 4000 0 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N CNN CNN N N N N N N N N N NLO VI N N Ncn LO VI N N N - N N 2 - N N - N N N N Rainfall -Tar River average daily discharge at Greenville, NC 0 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-162 Salinity (psu) 21 18 15 12 DC11S1 Salinity and Depth January -February 2020 PCS Phosphate 3 — 0 0 N 0 1' 0 ▪ 0 0 0 0 0 N N N N N N O) co N- O ) N N N Date ram.- 0 0 0 0 0 0 0 N N N N N N N N CO 0 • c0 N (0 N N (-NJ(-NJ N N N N 50 — 40 — 30 — 20 10 s a 0 'Depth (inches) Salinity (psu) 20000 18000 Li aa) 16000 14000 3 12000 10000 ,,CD 8000 co 6000 N 4000 0 2000 0 0 N 0 N O Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 N 0 N CO 0 N 0 N N 0 N (f) N 0 N 0) N 0 N N N 0 N 0 N 0 N 0 N 0 N V N 0 N CO N 0 N N N N Rainfall —Tar River average daily discharge at Greenville, NC 0 N 0 N N C-163 Salinity (psu) 21 18 15 12 DC11S1 Salinity and Depth March -April 2020 PCS Phosphate 0 0 4 N N N N N N N N N CDM_ N- - N O) N M CO CON CV N Date 0 - 50 - 40 a) 20 0 - 10 0 0 O c) Depth (inches) Salinity (psu) 16000 14000 U N 12000 10000 8000 E) 6000 s 4000 U N 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0; II I',1I I I1 I I I-,•I','Ii I I I'Ji I O O 0 0 0 0 0 0 0 N N N N N N N N N N O) co N 0) N_ N (NI CO COM M M M c') O N O N O 1.111 0 0 0 0 0 CNINCNICNICV N CO CO V V V V V Rainfall -Tar River average daily discharge at Greenville, NC 3 2.5 0 C-164 Salinity (psu) 21 18 15 12 0 DC11S1 Salinity and Depth May -June 2020 PCS Phosphate 50 — 40 ( 1^r — 30 ,c r 10 V� N N N N N N N N N \ N O) M N- N O) N N N N N N N ib- N N N N in - Date N N N N N N N CO 0 V 00 N CO 0 N N CO CO a a a a a a 0 Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 1 I•,•I 1 . 1 0 N in- 0 N N 0 N N N in- N 0) N in- N N 0 N 0 N 0 0 N 0 N 00 0 N N N 0 N N Rainfall —Tar River average daily discharge at Greenville, NC 0 N 0 co 4 3.5 3 2.5 2 1.5 1 0.5 0 co c C-165 Salinity (psu) 21 18 15 12 DC11S1 Salinity and Depth July -August 2020 PCS Phosphate 60 — 50 — 40 0 O N t` A — 30 — 20 — 10 NCVNCVNCVN N O) M N N Date 0 0 0 0 0 0 0 0 N N N N N N N N N CO O V 00 CV (13 N N O CO COCO 00 00 00 00 00 00 0 Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 1 I� IIti I Hil, I� h I r1T 111 00 0 NN N rnCO 0 N O CO 0 N O O O O O 00 4 3.5 3 2.5 2 1.5 1 0.5 F I- 11, II- 11 0 0 0 0 0 N CVN N N N Rainfall -Tar River average daily discharge at Greenville, NC c ca 4— CU C-166 Salinity (psu) 24 21 18 15 12 DC11S1 Salinity and Depth September -October 2020 PCS Phosphate II1 60 50 — 40 N N N N N N N N N O) M I� N O) M N N N O Date O O O O O O N N N N N N I� N O) co I-- O N N O O O O O 30 r N — 20 — 10 0 O N M O Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge 0 1 N N N N N \ \ M I' 0) 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 0.5 1 , 1 rl , 11,111,h 1 11 , 1 , 1 -,-I 1 , F--F , 1 , 1 , l1 , '—F- 0 O O 0 0 0 O O O O O O N N N N N N l() O) O) coI— N N N N N M O) O) O) O O O O O O N N N N N Rainfall -Tar River average daily discharge at Greenville, NC co C-167 Salinity (psu) DC11S1 Salinity and Depth November -December 2020 21 18 15 12 0 0 N PCS Phosphate 50 — 40 0 0 0 0 0 0 0 N N N N N N N l )) O) CO N- in O) N N N 0 0 0 0 0 0 0 0 N N N N N N N N M N- N N N N M N N N N N N Date — 30 t - 20 a) I G - 10 Depth (inches) Salinity (psu) 28000 26000 a)24000 N 22000 • 20000 '7 18000 16000 14000 a) 12000 E 10000 tv 8000 v 6000 to 4000 G 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Porter Creek Rain Gauge N N N N N N N N co N- \ lf) N N 1 1 1 •'I� 1", 1 1 •-I-•-1 1 1. 1• I1I • 1• 1• 1 0 0 0 0 0 0 0 0 N N N N N N N N N O) M I� In O) co I. N N N N N TO N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-168 Salinity (psu) 21 18 15 12 DC19S1 Salinity and Depth January -February 2020 PCS Phosphate 40 — 30 — 20 0 0 2 - 10 r 0 00 0 0 0 0 0 N N N N N N N N N - (() O) N N N N Date 00 N N (O O 0 0 0 (\IN N • CON \ - \ - N 0 t a) 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge 1 0 1 1 1 ..1 .'I 1 • 1.• -1 • 1 11 11 11.11 • I • I 0 0 0 0 0 0 N N N N N (NI '[) O) M N� � � N N 1 • 1 .1 • I'•'I 'I1I•-1 0 0 0 0 0 0 0 0 N N N N N N N N O) N (O O V CO N (O N N N N N N N N N N Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 2 1.5 1 0.5 0 C-169 Salinity (psu) 21 18 15 12 DC19S1 Salinity and Depth March -April 2020 PCS Phosphate 40 - 30 ."y 0 0 - 20 t - 10 0 0 0 0 0 N N N N N (f) a) M N- M coN M M co 0 0 0 N N N �() 0) N N N V M M Date 0 0 0 0 0 N N N N N (O O V CO � N V V V V 0 0 N N (.0 O N M V 0 a) 0 'Depth (inches) -Salinity (psu) 16000 14000 y 12000 10000 8000 a) 6000 a1 4000 N 2000 Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge 0 Il I•.•I 0 0 N N M M I . II I . II.-i- 4+-4�•l�l� 0 W 0 0 0 N N N M M M 0 LC) 0 0) 0 V 0 O V 0 0 0 N N N N N N O_ V CO (NI COO N N CO V V V V V 3 2.5 2 1.5 1 0.5 I .•I .-I . I-.-Il I . Il I . I . I• 0 0 0 0 Rainfall -Tar River average daily discharge at Greenville, NC - ( C-170 Salinity (psu) 21 18 15 12 0 DC19S1 Salinity and Depth May -June 2020 PCS Phosphate 40 — 30 0 0 0 0 0 N N N N N - (f) O) M f- O O 0 0 0 0 N N N N �() O) N N N CO 1713 Date 0 0 0 0 0 N N N N N CO O_ V co CV O - N O O O CO — 20 — 10 0 0 0 N N O 0 N CO CO t a) 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge 0 • 1.1•I I\4•I 0 0 0 0 0 N N N N N «) O) C) N- V) LO (f) lfI 'TB 0 LC) 0 N 0 W N N 0 0 N N N CO CO CO 4 3.5 3 2.5 2 1.5 1 0.5 -F,-F-rti 0 0 0 0 0 0 0 N N N N N N O_ V CO N COO - N N CO O O O CO COO Rainfall —Tar River average daily discharge at Greenville, NC - (73 C-171 Salinity (psu) 21 18 15 12 DC19S1 Salinity and Depth July -August 2020 PCS Phosphate 0 N r ay1 ti 40 30 20 s 0 — 10 O O 0 0 0 0 N N N N N N O) C) N- � N- O 0 N N O) N CO Date 0 N CO CO 0 0 0 0 0 0 N N N N N N O • CO N CO 0 N N CC) 00 00 00 c0 c0 c0 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge rid i•�i i , i , i , i1 , i1i� I i ilk 0 0 0 0 0 0 0 N N N N N N N W C7 W N N N N c • n n t` 0 0 0 0 0 0 0 N N N N N N N (O 0 V CO N CO 0 N N CO 00 O8 W co co 00 Rainfall —Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 0.5 0 — w C-172 Salinity (psu) 21 18 15 12 9 DC19S1 Salinity and Depth September -October 2020 PCS Phosphate 3 — 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - u) CS) N N \O - N N M O) - O) O) 6) O) 0 - 0 - 0 0 0 0 Date 50 — 40 — 30 — 20 — 10 0 -C a CU Depth (inches) Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 I, I Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge 0 0 0 N N N W 0) a) a) 0 0 N N N N N 0) 0) W 0) 0) 6 5.5 5 4.5 4 C 3.5 3 2.5 2 'rj 1.5 Q 1 ''' 0.5 1, 1 rl . rl . 1 ll , 1, 1 I-rl 1 1, 1 ,-I , 1, I� 1, 1, 1 0 0 0 0 00 N N N N N 0 0 0 0 0 0 0 0 N N_ CNN N N x- N N CO 0 0 0 0 0 0 Rainfall —Tar River average daily discharge at Greenville, NC C-173 Salinity (psu) 21 18 15 12 0 DC19S1 Salinity and Depth November -December 2020 PCS Phosphate 40 — 30 it 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N u') O) M N- U O) r) N- u) O) r) N N N N N N s— s— s— \ \ N N N N Date 0 0 N N N M 20 s 0 10 0 'Depth (inches) Salinity (psu) 28000 26000 d 24000 y 22000 20000 18000 16000 14000 d 12000 E) 10000 8000 t 6000 4000 0 2000 0 0 N Tar River Average Daily Discharge at Greenville, NC, and Durham Creek Rain Gauge 1 1, 1, 1,-ITI , 1, 1, 1, 1.-1 1 rl 1 ,'1 1 1 rl", I".. 1, I 0 N 0 0 N N L M 0 0 0 0 0 0 0 0 N N N N N N N N N M N- N N N N N N N N O) M N- \ N N Rainfall —Tar River average daily discharge at Greenville, NC M 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 co C-174 Salinity (psu) 21 18 15 12 DKCS1 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 0 0 0 0 0 0 0 0 N N N N N N O) M f— l() O) N N N 0 Date } 0 0 0 0 0 N N N N N CO 0 V CON NN— N— N— N N N N N — 30 C t 4S +.l fi 0 O a) — 20 p — 10 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 0 0 0 0 0 0 N N N N N N N 6) M f— lfI N 0 0 0 0 0 0 0 N N N N N N N 0) N CO O_ V CON N N N - N N N N N 0 O Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 ai 0.5 C-175 Salinity (psu) 21 18 15 12 DKCS1 Salinity and Depth March -April 2020 PCS Phosphate 50 — 40 0 0 O O O O O O O 0 N N N N N N N N �() O) M N- (f) O) N M M N N N M M M M M Date O O O 0 0 N N N N N COO V CON � N V V V V 0 O 30 - 20 10 0 0 'Depth (inches) —Salinity (psu) 16000 14000 t� N 12000 10000 — 8000 — a1 6000 — - t 4000 2000 0 0 1 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge • I f • • I'• -I O O O O O N N N N N (fI W M N- M M M M M �•�I I�•�I'11 • 1 •I •-I • I� 11•11 •-II F • 1 O O O O O N N N N N N N lC) W N (O O_ V o0 N N M M � O O V V 00 N N N N CO O N N CO V V Rainfall —Tar River average daily discharge at Greenville, NC 3 2.5 0 C-176 Salinity (psu) 21 18 15 12 DKCS1 Salinity and Depth May -June 2020 PCS Phosphate 50 - 40 6 - tIVAIrVy.yJ�✓" 0 0 0 0 0 0 0 0 0 N N N N N N N N N (() 0')M r- (() O) N O N N COLC)(() l[) (- () (() lf) Date - 4`40e-41 - 30 C t 0 0 0 0 0 N N N N N CO 0_ V CO N CO- N O O O CO 0 0 N N CO 0 N CO CO 20 10 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge II,i 1 I''TT1"'F'f'u' 0 0N N NN O_ VCO O O O - O Rainfall -Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 - (73 C-177 Salinity (psu) 21 18 15 12 9 DKCS1 Salinity and Depth July -August 2020 PCS Phosphate 60 — 50 0 0 N l ►I 'I .'1,1► , I LaV — 40 Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N (NI (NI (NI (NI (NI (NI (NI�() O) M f— U) ) N (O O_ V c0 (NI (.00 r-- r - N (NI (NI0o CO- N N CO t` t` t` r- 00 00 Date — 30 — 20 — 10 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 I I -1 0 0 N N - (() r- r- 4 3.5 3 2.5 2 1.5 1,1I hI 0.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N f� (f) (NI(9O_ V c0 N (O O N N - N N CO Rainfall -Tar River average daily discharge at Greenville, NC C-178 Salinity (psu) DKCS1 Salinity and Depth September -October 2020 21 18 15 12 ¢L 9 — 6 — 3 — PCS Phosphate — 50 — 40 — 30 — 20 — 10 Q NCVNCVNCVN - U) O) M N- (f) O O O N N - O O 00 0 0 0 0 NNNN O) N (O O N Date 00 CVN V o0 0 0 0 NCVN N (O O N N (M 0 Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 W W 1 ' 1 1 1 1 1 1 1' M 1 0 0 0 0 0 0 0 0 0 NCVNCVNCVNCVN N N N O O W O) O) O) O) N O O 6 5.5 5 4.5 4 C 3.5 3 2.5 2 .F) 1.5 0.5 1 I1 1 1 1 0 0 0 0 NCVN M r— N NCO 00 O Rainfall —Tar River average daily discharge at Greenville, NC C-179 Salinity (psu) 21 18 15 12 DKCS1 Salinity and Depth November -December 2020 PCS Phosphate 6 — 3 0 0 0 0 0 0 N N N N lf) O) M N. N N N N Date 0 0 N N LC) N N N N 0 N 0) N N 50 — 40 — 30 20 — 10 o 411 CI Depth (inches) Salinity (psu) 28000 26000 0 24000 u 22000 20000 18000 • 16000 • 14000 d 12000 a1 10000 co 8000 ✓ 6000 • 4000 0 200 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge o t l l l l-. I I I I I -I0, I", I I 0 0 0 N N N 0 0 0 0 0 NNNN 0) (• 71 N N 0 0 0 N N N C) N- 0 LC) 0 0 0 0 N N N N Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-180 Salinity (psu) 21 18 15 12 DKCS2 Salinity and Depth January -February 2020 PCS Phosphate 50 — 40 0 0 N — 30 _ s a C — 20 — 10 0 N LC) 0 0 0 0 0 0 0 N N N N N N N O) N N N N Date 0 0 0 0 0 N N N N N CO 0 • W N N N N N N 0 (N (N (N 0 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 0 (N 0 N Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 N 0) 0 0 N N 0 0 0 N 0) N 0 (N (N (N 0 N (N 0 N O 0 N N 0 N CO N 0 N N N 0 Rainfall —Tar River average daily discharge at Greenville, NC 2.5 1.5 0.5 C-181 Salinity (psu) 21 18 15 12 0 DKCS2 Salinity and Depth March -April 2020 PCS Phosphate 0 0 0 0 0 0 0 0 0 CNN CNN N N N N N U O) CO N- 10 O) N M M M N N N M CO CO CO Date 0 0 0 0 0 N N N N N CO 0 CO N 0 N O N 50 - 40 30 - 20 - 10 0 0 N 0 cc) s a CU CI 'Depth (inches) -Salinity (psu) 16000 t) 14000 0 12000 10000 - 8000 - 6000 - s 4000 2000 6 0 1 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 N c) 0 N 0 N 0) c) I . 11 I . I . 0 0 0 N N N C )) r N 0 N 10 N c) 0 N 0) N c) I . I . I•.'1'JI . 0 0 N N N CO 0 0 0 N N N N o W N 0 0 N O N Rainfall -Tar River average daily discharge at Greenville, NC 0 N 0 cc) 3 2.5 0 C-182 Salinity (psu) 21 18 DKCS2 Salinity and Depth May -June 2020 PCS Phosphate 15 12 9 - 0 (() LC) 0 W LC) 0 N N M r- 0 LC) 0 (() 0 N W ( \_ Date 0 N 0 CO CO f 0 0 0 50 - 40 0 CO 0 0 CO 0 N 0 CO - 30 c t a) 20 10 0 'Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 24000 22000 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 0 0 0 N N N N 0 N r- (() O) N N (N (() (() (() lf) 0 0 0 N N N 0 0 0 N N N N CO 0 CO CO 7 0 0 0 0 0 N N N N N V CO N (O 0 N N CO Rainfall -Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 - (73 C-183 Salinity (psu) 21 18 15 12 9 — 3 — 0 DKCS2 Salinity and Depth July -August 2020 PCS Phosphate 50 40 20 a) — 10 0 0 0 0 0 0 0 0 0 N N CNN CNN CNN N Lo O) M N- �f') O) N r CV CV• r CO Date 0 0 0 0 0 0 0 N N N N N N N CO 0 • 00 N (0 0 W - N N \ 000 000 00 00 0 Depth (inches) -Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge I I rP• I I I I� I I I I �I I IS I •` I•� I•-I•I I 1.1.1. I.1.I 0 0 0 0 0 0 0 0 0 CNCNCNNCV N N CNN O) N • r r N CVCV o 0 0 0 0 0 N CNN CNN N (0 0 • CO N (0 W N N 00 00 00 CO CO Rainfall —Tar River average daily discharge at Greenville, NC 4 3.5 3 2.5 2 1.5 1 0.5 0 C-184 Salinity (psu) 21 18 15 12 DKCS2 Salinity and Depth September -October 2020 PCS Phosphate - 60 9 - 6 - 3 - 0 0 N - 50 r 40 - 30 - 20 - 10 0 N LC) W 0 N W W 0 N N M r- 0 N W 0 N N M r- Date 0 N 0 � O 0 N LC) 0 N 0 N N M r- N N O 0 0 ( 0 t a) 'Depth (inches) —Salinity (psu) Discharge (cu.ft./sec.) 16000 14000 12000 10000 8000 6000 4000 2000 0 Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge 0 N �I • �� I � I fr -. 1 • 1 • 1 • 1 • 1 • 1 • 1 • 1 +11 —1 • 1 • 1 • 1 • 1 • 11 1 • 1 • 1 0 N LC) W 0 W W 0 N N M r- O O O O O O O O 0 N N N N N N N N N N N N U) O) M N- U) O) M 0 0 O) O) O) O O O O O N - N M O 0 Rainfall -Tar River average daily discharge at Greenville, NC 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-185 Salinity (psu) 21 18 15 — 12 — 6 — 3 — 0 DKCS2 Salinity and Depth November -December 2020 PCS Phosphate 0 0 0 O 0 0 0 0 0 0 0 0 0 0 0 0 N N N N N N N N N N N N N N N N - LC) 6) Cr) N- U O) M N- CI) co M N- - N N N N N - N N - N N N N N N Date 50 — 40 — 30 — 20 — 10 0 a CI 'Depth (inches) Salinity (psu) 28000 26000 d 24000 _ y 22000 ▪ 20000 18000 _ v 16000 14000 d 12000 a1 10000 c0 8000 6000 4000 0 2000 4T i� 0 -- I I I I I-• I •-I I I I •I� I �I I Tar River Average Daily Discharge at Greenville, NC, and Duck Creek Rain Gauge O O 0 N N N Cf) c) N N N N N N N N I "'Ilk I", I• I I� I I - 1• 1 •'1 •11 • 1 1 II O O O O O O O 0 NNNNNNNN Cr) f� LO 6) M f� N N NI - N N M Rainfall —Tar River average daily discharge at Greenville, NC 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 C-186