Loading...
HomeMy WebLinkAbout20080868 Ver 2_Appendix H Fish_20220605APPENDIX H Raw Fisheries and Water Quality Data Collected at the 15 Monitored Creeks in April, May, and June of 2021 (Data only on Flash Drive) Table H-1. Species abundance and percent of total finfish catch collected in 2021 at Broomfield Swamp Creek, SCUT1, Jacks Creek, Little Creek, Jacobs Creek, PA2, Drinkwater Creek, Long Creek, Tooley Creek, Muddy Creek, Huddles Cut, Porter Creek, DCUT11, DCUT19, and Duck Creek. Common name Scientific name Broomfield Swamp Creek SCUT1 Jacks Creek Little Creek Jacobs Creek PA2 Drinkwater Creek Long Creek Tooley Creek Muddy Huddles Cut Porter Creek DCUT11 DCUT19 Duck Creek N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch N % of catch American eel Anguilla rostrata - - - - 1 0.13 - - - - 1 0.02 1 0.04 2 0.03 - - Atlantic croaker Micropogonias undulatus 43 32.82 25 12.69 411 53.59 615 56.58 752 53.56 76 1.21 735 50.45 698 42.74 635 26.48 432 43.16 1 0.00 992 40.21 - - - - 692 35.41 Atlantic menhaden Brevoortia tyrannus - - - - 4 0.52 1 0.09 3 0.21 1 0.02 3 0.21 2 0.12 12 0.50 3 0.30 7 0.03 14 0.57 - - 1 0.01 18 0.92 Atlantic needlefish Strongylura marina Atlantic silverside Menidia menidia Atlantic stingray Hypanus sabinus Banded killifisha Fundulus diaphanus Bay anchovy Anchoa mitchilli 5 3.82 - - 32 4.17 53 4.88 143 10.19 99 1.58 158 10.84 343 21.00 1,040 43.37 146 14.59 40 0.19 648 26.27 - - - - 251 12.85 Black crappies Pomoxis nigromaculatus 7 5.34 4 2.03 Bluefish Pomatomus saltarix Bluegilla Lepomis macrochirus 23 17.56 20 10.15 - - - - - - 1 0.02 - - - - - - - - 9 0.04 - - 9 0.33 16 0.24 - - Bluespotted sunfisha Enneacanthus gloriosus 1 0.04 - - - - Bowfin' Amia calva 3.00 0.11 2 0.03 - - Brown bullheads Ameiurus nebulosus 1 0.76 - - - - - - - - 1,344 21.44 - - - - - - 1 0.10 1 0.00 - - 123 4.51 303 4.46 - - Chain pipefish Syngnathus louisianae Chain pickerels Esox niger 4 0.15 - - - - Channel catfisha Ictalurus punctatus 1 0.76 Common carps Cyprinus carpio 1 0.00 - - - - - - - - Dusky pipefish Syngnathus floridae Eastern mosquitofisha Gambusia holbrooki - - - - - - - - - - 1 0.02 61 2.24 548 8.06 - - Eastern mudminnow Umbra pygmaea 12 0.18 - - Fliera Centrarchus macropterus Gizzard shad Dorosoma cepedianum 2 0.01 - - 1 0.04 - - - - Golden shiners Notemigonus crysoleucas 4 0.02 - - 19 0.70 131 1.93 - - Green goby Microgobius thalassinus Hogchoker Trinectes maculatus 6 4.58 3 1.52 6 0.78 7 0.64 6 0.43 - - 3 0.21 - - - - 1 0.10 - - 1 0.04 - - - - 5 0.26 Hybrid striped bass Morone chrysops x M.saxatillis Inland silverside Menidia beryllina - - - - 1 0.13 - - 1 0.07 78 1.24 - - - - - - - - 170 0.81 1 0.04 7 0.26 22 0.32 - - Ladyfish Elops saurus 1 0.76 - - 1 0.13 2 0.18 1 0.07 21 0.33 3 0.21 2 0.12 4 0.17 2 0.20 - - 2 0.08 - - - - 1 0.05 Largemouth bassa Micropterus salmoides - - 5 2.54 - - - - - - 569 9.08 - - - - - - - - 5 0.02 - - 55 2.02 44 0.65 - - Longnose gars Lepisosteus osseus 3 0.11 - - - - Mummichog Fundulusheteroclitus 17,335 82.97 - - 1,825 66.97 3,693 54.35 - - Naked goby Gobiosoma bosci - - - - - - - - - - 48 0.77 - - - - - - - - 2 0.01 - - - - - - - - Northern pipefish Syngnathus springers Pinfish Lagodon rhomboides - - - - - - - - - - 2 0.03 Pumpkinseeda Lepomis gibbosus 6 4.58 17 8.63 1 0.13 - - - - 29 0.46 - - - - - - 1 0.10 31 0.15 - - 335 12.29 569 8.37 - - Rainwater killifish Lucania parva - - - - 1 0.13 - - 1 0.07 2,314 36.91 - - - - - - - - 10 0.05 1 0.04 26 0.95 273 4.02 - - Red Drum Sciaenops ocellatus 34 0.16 - - - - - - - - Redfin pickerels Esox americanus 1 0.04 - - - - Sheepshead minnow Cyprinodon variegatus - - - - - - - - - - 6 0.10 - - - - - - - - 76 0.36 - - 220 8.07 749 11.02 - - Silver perch Bairdiella chrysoura Southern flounder Paralichthys lethostigma - - - - 13 1.69 10 0.92 10 0.71 9 0.14 10 0.69 2 0.12 2 0.08 24 2.40 19 0.09 1 0.04 - - 1 0.01 2 0.10 Spot Leiostomusxanthurus 34 25.95 120 60.91 292 38.07 399 36.71 484 34.47 1,067 17.02 545 37.41 586 35.88 705 29.40 391 39.06 2,811 13.45 807 32.71 31 1.14 420 6.18 980 50.15 Spottail shiners Leiostomus xanthurus 5 0.26 Spotted seatrout Cynoscion nebulosus Striped mullet Mugil cephalus 238 1.14 - - - - - - - - Summer flounder Paralichthys dentatus Sunfisha Lepomis sp. - - - - - - - - 3 0.21 602 9.60 Warmoutha Lepomis gulosus 4 3.05 2 0.01 - - - - 1 0.01 - - White catfisha Ameiurus catus White crappies Pomoxis annularis White perch Morone americanus - - 3 1.52 4 0.52 - - - - 1 0.02 - - - - - - - - 75 0.36 - - - - 7 0.10 - - Yellow bullheads Ameiurus natalis Yellow perchs Perca flavescens 20 0.10 - - - - 1 0.01 - - Total 131 100.00 197 100.00 767 100.00 1,087 100.00 1,404 100.00 6,269 100.00 1,457 100.00 1,633 100.00 2,398 100.00 1,001 100.00 20,893 100.00 2,467 100.00 2,725 100.00 6,795 100.00 1,954 100.00 aPredominantly freshwater species = No catch H-1 Table H-2. Fully enumerated list of all fish captured while trawling at Broomfield Swamp Creek in April, May, and June 2021. Common Name Species 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 3 0 9 8 1 3 8 10 1 0 0 0 0 43 Bay anchovy Anchoa mitchilli 0 0 0 1 1 0 0 3 0 0 0 0 0 5 Black crappies Pomoxis nigromaculatus 0 2 1 0 1 0 0 0 1 7 0 0 0 7 Bluegilla Lepomis macrochirus 1 1 0 1 6 5 0 6 1 1 1 0 0 23 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Channel catfish' Ictalurus punctatus 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Hogchoker Trinectes maculatus 0 0 2 0 2 0 0 1 1 0 0 0 0 6 Ladyfish Elops saurus 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Pumpkinseeds Lepomis gibbosus 1 0 0 1 4 0 0 0 0 0 0 0 0 6 Spot Leiostomus xanthurus 2 0 0 0 12 13 1 0 6 0 0 0 0 34 Warmoutha Lepomis gulosus 0 0 0 0 3 0 0 0 0 0 0 1 0 4 Total 7 3 12 12 30 21 9 20 10 9 1 2 0 131 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-2 Table H-3. Hydrographic parameters measured at Broomfield Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Near surface Temperature (*C) 17.3 19.9 20.4 21.4 25.5 21.0 23.8 29.2 25.8 27.4 27.1 26.8 28.0 Dissolved oxygen (%) 71.2 35.3 46.2 43.4 42.7 51.7 63.7 74.4 74.0 40.1 48.3 35.4 55.0 Dissolved oxygen (mg/I) 6.7 3.2 4.1 3.9 3.5 4.6 5.3 5.7 5.9 3.9 3.9 2.8 4.3 Specific conductivity (mS) 0.3 0.5 0.5 0.6 0.8 1.3 1.4 1.2 2.2 0.2 0.3 0.5 0.3 Conductivity (mS) 0.2 0.4 0.5 0.6 0.8 1.2 1.4 1.3 2.2 0.3 0.3 0.5 0.3 Salinity (psu) 0.1 0.2 0.3 0.3 0.4 0.7 0.7 0.6 1.1 0.1 0.1 0.2 0.1 pH 6.2 6.5 6.0 6.5 6.8 6.9 6.8 6.9 6.9 6.2 6.2 6.0 6.7 Secchi depth (inches) 15.0 16.0 12.5 17.0 15.0 20.0 21.0 16.0 29.5 12.0 13.5 10.8 18.0 Water depth (inches) 82.3 80.0 74.0 72.5 73.5 80.0 79.0 69.5 87.5 73.0 62.0 72.0 82.5 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 15.5 17.2 17.2 18.8 23.1 21.0 22.5 25.0 24.2 24.7 24.0 26.5 25.6 Dissolved oxygen (%) 56.8 29.2 32.6 33.2 37.0 38.2 44.4 31.6 54.8 34.6 18.1 22.4 12.2 Dissolved oxygen (mg/I) 5.5 2.8 3.1 3.1 3.2 3.5 3.8 2.6 4.5 2.9 1.5 1.8 1.1 Specific conductivity (mS) 0.3 0.6 0.4 0.5 0.8 1.3 1.5 1.0 2.4 0.3 0.3 0.5 0.7 Conductivity (mS) 0.2 0.5 0.4 0.5 0.8 1.2 1.5 1.0 2.3 0.3 0.3 0.5 0.9 Salinity (psu) 0.1 0.3 0.2 0.3 0.4 0.7 0.8 0.5 1.2 0.1 0.1 0.2 0.5 pH 5.6 6.5 5.9 6.2 6.8 7.0 6.7 6.9 6.8 6.2 6.1 6.1 6.3 H-3 Table H-4. Fully enumerated list of all fish captured while trawling at SCUT1 in April, May, and June 2021. Common Name Species 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 0 0 11 2 4 1 4 1 1 1 0 0 0 25 Black crappies Pomoxis nigromaculatus 0 0 1 0 0 0 0 0 0 2 0 0 1 4 Bluegilla Lepomis macrochirus 4 0 4 2 0 1 0 0 1 0 4 1 3 20 Hogchoker Trinectes maculatus 1 0 0 1 0 0 0 0 0 0 0 1 0 3 Largemouth basso Micropterus salmoides 0 0 0 0 4 0 0 0 1 0 0 0 0 5 Pumpkinseeds Lepomis gibbosus 6 0 0 1 1 7 1 1 0 0 0 0 0 17 Spot Leiostomus xanthurus 0 38 3 0 21 11 12 23 12 0 0 0 0 120 White perch Morone americana 0 0 0 1 0 0 0 0 1 1 0 0 0 3 Total 11 38 19 7 30 20 17 25 16 4 4 2 4 197 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-4 Table H-5. Hydrographic parameters measured at SCUT1 prior to fish trawls in April, May, and June 2021. Parameters 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Near surface Temperature (*C) 19.1 21.7 19.3 21.1 25.6 21.0 25.7 29.0 25.1 28.7 27.1 27.1 30.5 Dissolved oxygen (%) 76.6 49.1 40.5 55.5 58.6 62.9 89.5 60.7 103.0 43.8 40.7 33.7 61.7 Dissolved oxygen (mg/I) 7.1 4.4 3.7 4.9 4.8 5.7 7.4 4.6 8.4 3.4 3.3 2.7 4.3 Specific conductivity (mS) 0.3 0.6 0.6 0.8 1.1 1.8 1.9 1.8 2.9 0.4 0.3 1.0 0.6 Conductivity (mS) 0.3 0.6 0.5 0.7 1.2 1.6 2.0 1.9 2.9 0.4 0.3 1.1 0.7 Salinity (psu) 0.1 0.3 0.3 0.4 0.6 0.9 1.0 0.9 1.5 0.2 0.1 0.5 0.3 pH 5.6 6.6 5.8 6.1 7.0 7.2 7.0 6.8 6.8 6.4 6.1 6.2 6.5 Secchi depth (inches) 16.0 28.0 15.8 20.0 15.5 23.0 23.5 21.5 29.5 12.5 19.0 13.0 17.0 Water depth (inches) 50.5 63.0 60.3 52.0 51.0 56.0 36.0 42.0 52.0 48.0 55.0 41.0 54.0 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature ("C) 16.5 18.1 18.9 20.0 24.6 21.0 25.2 26.6 23.9 25.6 25.0 27.1 30.0 Dissolved oxygen (%) 55.3 31.6 39.2 50.9 54.4 56.7 84.9 46.4 69.7 33.8 18.6 31.3 51.7 Dissolved oxygen (mg/I) 5.4 3.0 3.6 4.6 4.5 5.2 6.9 3.6 5.8 2.8 1.6 2.5 3.9 Specific conductivity (mS) 0.3 0.7 0.6 0.8 1.1 1.8 1.9 1.8 2.9 0.6 0.2 1.1 0.8 Conductivity (mS) 0.2 0.6 0.5 0.7 1.1 1.7 1.9 1.9 2.9 0.6 0.2 1.1 0.8 Salinity (psu) 0.1 0.3 0.3 0.4 0.6 0.9 1.0 0.9 1.5 0.3 0.1 0.5 0.4 pH 5.4 6.6 5.7 6.1 6.9 7.2 6.9 6.7 6.7 6.3 5.9 6.2 6.5 H-5 Table H-6. Fully enumerated list of all fish captured in Jacks Creek in April, May, and June 2021. Common Name Species 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Atlantic croaker Micropogonias undulatus 23 50 77 60 98 15 47 1 9 4 5 12 10 411 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 0 4 0 0 0 0 0 0 4 Bay anchovy Anchoa mitchilli 5 19 0 0 0 0 0 0 1 0 1 4 2 32 Hogchoker Trinectes maculatus 0 0 2 1 0 2 0 0 0 0 0 0 1 6 Inland silverside Menidia beryllina 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Ladyfish Elops saurus 0 0 0 0 0 0 0 0 1 0 0 0 0 1 Pumpkinseeds Lepomis gibbosus 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Rainwater killifish Lucania parva 0 0 0 0 0 0 0 0 1 0 0 0 0 1 Southern flounder Paralichthys lethostigma 2 4 0 0 3 1 1 0 0 0 1 1 0 13 Spot Leiostomus xanthurus 105 107 24 11 11 6 12 13 1 0 2 0 0 292 White perch Morone americana 4 0 0 0 0 0 0 0 0 0 0 0 0 4 Total 139 181 104 72 112 24 64 14 13 4 10 17 13 767 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-6 Table H-7. Hydrographic parameters measured at Jacks Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Near surface Temperature (*C) 18.3 21.0 21.1 20.7 25.0 20.4 27.2 28.9 25.6 28.9 28.6 28.1 32.5 Dissolved oxygen (%) 97.0 94.4 76.4 79.7 77.8 64.9 104.9 108.4 93.4 102.7 96.8 99.4 119.0 Dissolved oxygen (mg/I) 9.2 8.4 6.8 7.1 6.4 5.9 8.2 9.8 7.6 7.8 7.4 7.7 8.6 Specific conductivity (mS) 2.2 2.3 2.4 2.5 2.8 3.5 4.2 4.2 4.8 5.1 3.9 4.7 4.7 Conductivity (mS) 1.9 2.1 2.2 2.3 2.8 3.2 4.3 4.5 4.8 5.5 4.2 5.0 5.3 Salinity (psu) 1.1 1.2 1.2 1.3 1.5 1.9 2.2 2.2 2.6 2.8 2.0 2.5 2.5 pH 6.8 7.5 6.6 6.8 7.3 7.3 7.5 8.0 7.4 7.8 8.1 7.3 8.7 Secchi depth (inches) 30.3 23.0 24.0 18.0 21.0 20.0 25.0 20.0 25.0 23.0 21.0 17.0 21.3 Water depth (inches) 49.3 51.0 51.5 44.0 41.0 50.0 45.0 47.0 53.0 43.0 51.0 43.0 49.0 SAV visible 0.0 0.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 16.3 19.1 19.5 20.2 24.5 20.5 24.5 27.7 25.0 26.3 25.5 28.0 30.5 Dissolved oxygen (%) 84.5 58.3 66.6 72.5 73.9 56.1 53.3 76.0 85.6 59.6 51.9 77.7 82.5 Dissolved oxygen (mg/I) 8.2 5.3 6.0 6.5 6.1 5.1 4.3 5.8 7.0 4.7 4.2 6.0 6.1 Specific conductivity (mS) 2.2 2.5 2.4 2.4 2.8 3.5 4.2 4.2 4.8 6.0 4.0 5.0 4.7 Conductivity (mS) 1.9 2.2 2.2 2.2 2.8 3.2 4.1 4.4 4.8 6.2 4.0 5.3 5.2 Salinity (psu) 1.2 1.3 1.2 1.3 1.5 1.9 2.2 2.2 2.6 3.3 2.1 2.7 2.5 pH 6.7 7.2 6.5 6.8 7.2 7.3 6.8 7.2 7.3 7.0 6.9 7.2 7.6 H-7 Table H-8. Fully enumerated list of all fish captured in trawls at Little Creek in April, May, and June 2021. Common Name Atlantic croaker Atlantic menhaden Bay anchovy Hogchoker Ladyfish Southern flounder Spot Total Species Micropogonias undulatus Brevoortia tyrannus Anchoa mitchilli Trinectes maculatus Elops saurus Paralichthys lethostigma Leiostomus xanthurus 2021 7-Apr 53 1 7 3 0 7 138 209 14-Apr 24 0 19 0 0 0 42 85 21-Apr 72 0 0 0 0 0 26 98 28-Apr 96 0 0 0 2 0 32 130 5-May 193 0 10 1 0 1 44 249 11-May 60 0 4 0 0 0 68 132 19-May 32 0 0 1 0 0 21 54 26-May 17 0 2 0 0 0 2 21 2-Jun 45 0 1 1 0 1 14 62 9-Jun 0 0 0 0 0 2 16-Jun 6 0 0 0 0 0 4 10 22-Jun 0 0 0 0 0 0 1 29-Jun 16 0 10 0 0 1 7 34 Total 615 1 53 7 2 10 399 1,087 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-8 Table H-9. Hydrographic parameters measured at Little Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 7-Apr 14-Apr 21-Apr 28-Apr 5-May 11-May 19-May 26-May 2-Jun 9-Jun 16-Jun 22-Jun 29-Jun Near surface Temperature (*C) 18.5 20.9 18.7 28.2 25.2 20.1 25.0 27.6 26.8 28.1 21.7 29.0 30.7 Dissolved oxygen (%) 97.1 90.5 72.5 77.0 75.2 68.2 81.3 100.3 131.1 75.9 146.3 100.2 109.8 Dissolved oxygen (mg/I) 9.1 8.0 6.7 6.9 6.1 6.1 6.6 7.8 10.3 5.8 11.3 7.6 8.2 Specific conductivity (mS) 2.1 2.5 2.5 2.7 3.1 3.9 4.4 4.6 5.1 6.3 3.8 5.9 6.8 Conductivity (mS) 1.8 2.3 2.2 2.5 3.1 3.7 4.4 4.8 5.3 6.7 4.0 6.4 7.6 Salinity (psu) 1.1 1.3 1.3 1.4 1.6 2.1 2.3 2.5 2.7 3.4 2.0 3.2 3.9 pH 7.0 7.4 6.6 6.9 6.3 7.3 7.1 7.3 8.3 7.2 8.8 7.5 8.4 Secchi depth (inches) 21.0 22.0 24.0 25.5 24.0 22.0 18.5 24.0 17.0 18.0 19.0 21.0 28.5 Water depth (inches) 52.0 57.0 59.5 48.5 46.0 53.5 54.0 48.0 58.0 49.0 57.0 45.0 54.0 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 17.9 18.7 18.3 19.8 23.8 20.4 24.2 27.6 24.0 25.6 25.2 28.0 7.8 Dissolved oxygen (%) 82.6 53.4 65.2 60.7 48.9 56.6 43.9 72.7 78.1 21.0 19.5 27.0 68.2 Dissolved oxygen (mg/I) 7.7 4.9 6.0 5.6 4.4 5.9 3.6 5.2 6.4 1.7 1.6 2.0 5.2 Specific conductivity (mS) 2.5 2.6 2.6 2.7 3.2 4.0 4.4 4.7 5.1 7.4 4.7 7.4 7.0 Conductivity (mS) 2.2 2.3 2.3 2.5 3.1 3.6 4.2 4.8 4.9 7.4 4.8 7.8 7.4 Salinity (psu) 1.3 1.4 1.3 1.4 1.6 7.1 2.3 2.5 2.7 4.1 2.5 4.1 3.8 pH 6.9 7.1 6.5 6.8 6.2 7.3 6.8 7.0 8.0 6.8 6.7 7.0 7.4 H-9 Table H-10: Fully enumerated list of all fish captured in Jacobs Creek in April, May, and June 2021. Common Name Species 2021 7-Apr 14-Apr 20-Apr 28-Apr 5-May 12-May 19-May 25-May 1-Jun 9-Jun 15-Jun 22-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 51 55 255 111 26 76 13 52 14 7 26 33 33 752 Atlantic menhaden Brevoortia tyrannus 0 0 0 1 0 1 0 0 0 0 0 1 0 3 Bay anchovy Anchoa mitchilli 5 34 26 17 4 21 3 7 2 2 2 15 5 143 Hogchoker Trinectes maculatus 0 1 0 0 1 3 1 0 0 0 0 0 0 6 Inland silverside Menidia beryllina 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Ladyfish Elops saurus 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Rainwater killifish Lucania parva 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 0 1 0 1 2 0 0 0 2 0 1 1 2 10 Spot Leiostomus xanthurus 40 119 124 75 21 63 21 11 5 0 2 2 1 484 Sunfish Lepomis sp. 0 0 0 0 0 0 0 0 0 0 3 0 0 3 Total 96 211 405 205 54 164 39 70 23 9 34 52 42 1,404 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-10 Table H-11. Hydrographic parameters measured at Jacobs Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 7-Apr 14-Apr 20-Apr 28-Apr 5-May 12-May 19-May 25-May 1-Jun 9-Jun 15-Jun 22-Jun 29-Jun Near surface Temperature (`C) 16.9 20.2 21.8 20.7 27.6 20.8 25.8 27.8 27.3 27.8 29.2 29.3 32.2 Dissolved oxygen (%) 95.3 94.0 96.8 84.5 46.6 78.0 99.1 103.1 130.6 105.5 132.7 102.1 109.1 Dissolved oxygen (mg/I) 9.1 8.4 8.4 7.5 3.9 7.0 7.8 8.0 10.0 8.2 10.0 7.6 7.8 Specific conductivity (mS) 2.6 2.8 2.9 2.9 3.7 4.5 4.9 4.8 5.6 5.6 5.2 7.0 7.2 Conductivity (mS) 2.2 2.5 2.7 2.7 3.6 4.2 5.0 5.0 5.9 5.8 5.6 7.5 8.2 Salinity (psu) 1.4 1.5 1.5 1.5 2.0 2.4 2.7 2.5 3.0 3.0 2.8 5.8 3.9 pH 7.2 7.7 7.3 7.2 6.3 7.5 7.6 7.9 8.4 8.4 8.6 7.8 8.8 Secchi depth (inches) 27.0 27.0 24.0 29.0 22.5 21.8 23.0 18.0 26.0 25.5 21.0 21.0 21.0 Water depth (inches) 57.1 62.8 35.0 53.5 54.0 60.5 54.0 58.0 62.0 60.0 62.0 51.8 59.0 SAV visible 0.0 0.0 0.0 10.0 0.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (`C) 16.1 15.1 21.7 20.2 23.3 20.8 24.6 27.0 26.6 25.4 25.7 28.3 29.8 Dissolved oxygen (%) 80.3 67.6 89.8 52.5 46.6 68.0 56.1 50.8 112.3 30.1 75.7 75.5 51.0 Dissolved oxygen (mg/I) 7.8 6.2 7.9 4.8 3.9 6.1 4.5 3.9 8.9 2.4 6.0 5.8 3.8 Specific conductivity (mS) 2.8 2.9 2.9 2.9 3.7 4.5 5.0 4.9 5.5 6.8 5.1 6.9 8.0 Conductivity (mS) 2.3 2.3 2.7 2.7 3.6 4.2 5.0 5.7 5.6 6.8 5.2 7.3 8.7 Salinity (psu) 1.5 1.5 1.5 1.5 2.0 2.4 2.7 2.6 3.0 3.7 2.8 3.8 4.4 pH 7.1 7.5 7.3 7.0 6.2 7.4 7.6 7.2 8.0 7.0 7.4 7.4 7.4 H-11 Table H-12. Fully enumerated list of all fish captured in trawls at PA2 in April. May. and June 2021. Common Name Species 2021 6-Apr 13-Apr 21-Apr 27-Apr 4-May 11-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Total American eel Anguilla rostrata 0 0 0 0 0 0 0 0 0 1 0 0 0 1 Atlantic croaker Micropogonias undulatus 9 3 4 0 0 0 1 0 0 0 59 0 0 76 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Bay anchovy Anchoa mitchilli 0 0 27 2 12 52 0 0 0 0 3 1 2 99 Bluegilla Lepomis macrochirus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 1 0 2 8 970 270 86 7 1344 Eastern mosquitofisha Gambusia holbrooki 0 0 0 0 0 0 0 1 0 0 0 0 0 1 Inland silverside Menidia beryllina 0 5 0 3 3 5 2 0 10 1 38 11 0 78 Ladyfish Elops saurus 0 0 0 0 0 0 0 6 0 10 0 5 0 21 Largemouth basso Micropterus salmoides 0 0 0 0 0 560 2 2 4 1 0 0 0 569 Naked goby Gobiosoma bosci 11 2 0 3 3 11 6 7 0 1 1 2 1 48 Pinfish Lagodon rhomboides 0 0 0 0 0 2 0 0 0 0 0 0 0 2 Pumpkinseeds Lepomis gibbosus 7 0 0 0 0 0 4 3 5 0 1 6 3 29 Rainwater killifish Lucania parva 189 2 20 68 120 247 158 679 105 580 0 140 6 2,314 Sheepshead minnow Cyprinodon variegatus 0 0 0 0 0 0 0 0 0 3 0 3 0 6 Southern flounder Paralichthys lethostigma 0 0 0 1 0 1 4 0 1 0 1 1 0 9 Spot Leiostomus xanthurus 191 164 358 137 30 95 19 21 19 6 18 5 4 1067 Sunfish Lepomis sp. 0 0 0 0 0 0 113 142 149 148 41 9 0 602 White perch Morone americana 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Total 407 176 410 214 168 975 310 863 301 1,721 432 269 23 6,269 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-12 Table H-13 Hydrographic parameters measured at PA2 Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 21-Apr 27-Apr 4-May 11-May 19-May 26-May 2-Jun 9-Jun 15-Jun 22-Jun 29-Jun Near surface Temperature (*C) 20.2 21.9 19.0 24.7 27.8 22.5 23.7 26.2 24.7 27.2 29.0 30.7 31.2 Dissolved oxygen (%) 110.5 100.5 58.9 88.8 101.0 91.2 61.4 45.5 59.5 35.3 85.7 118.1 92.3 Dissolved oxygen (mg/I) 10.0 8.7 5.4 7.4 8.2 7.8 5.1 3.6 4.8 2.8 6.5 8.6 6.7 Specific conductivity (mS) 2.9 2.8 2.9 3.0 5.5 4.5 4.9 4.8 5.4 4.2 4.6 5.2 6.8 Conductivity (mS) 2.6 2.6 2.5 3.0 3.7 4.3 4.8 4.9 5.3 4.3 4.9 5.8 8.0 Salinity (psu) 1.5 1.5 1.5 1.6 1.8 2.5 2.6 2.6 2.9 2.1 2.5 2.8 3.7 pH 7.0 8.1 6.7 6.9 7.6 7.8 6.9 5.7 7.3 6.8 7.0 8.2 7.2 Secchi depth (inches) 22.0 30.0 32.5 29.5 22.0 25.0 24.0 18.0 25.5 23.0 23.0 18.5 29.5 Water depth (inches) 24.0 46.0 44.0 40.5 38.5 40.5 33.8 30.5 39.8 34.0 36.0 28.0 37.0 % SAV visible 0.0 25.0 5.0 80.0 20.0 20.0 95.0 100.0 100.0 100.0 100.0 100.0 10.0 Near bottom Temperature (*C) 19.1 19.1 21.4 19.0 21.7 22.2 23.7 26.2 24.7 27.1 28.8 29.9 30.1 Dissolved oxygen (%) 103.7 103.7 96.0 57.5 76.3 70.3 49.2 25.0 55.2 26.9 67.2 83.0 66.7 Dissolved oxygen (mg/I) 9.5 9.5 8.9 5.3 6.7 6.1 4.1 2.0 4.6 2.1 5.3 6.4 4.8 Specific conductivity (mS) 2.8 2.8 2.8 2.9 3.1 4.6 4.9 4.8 5.3 4.8 4.9 5.6 6.8 Conductivity (mS) 2.5 2.5 2.6 2.5 2.9 3.4 4.8 4.9 6.3 5.0 5.1 6.1 7.6 Salinity (psu) 1.5 1.5 1.5 1.5 1.6 2.5 2.6 2.6 7.9 2.6 2.6 3.0 3.8 pH 7.0 7.0 8.0 6.6 6.7 7.3 6.8 6.7 7.2 6.8 7.1 7.7 7.1 H-13 Table H-14. Fully enumerated list of all fish captured in trawls at Drinkwater Creek in April, May, and June 2021. Common Name Atlantic croaker Atlantic menhaden Bay anchovy Hogchoker Ladyfish Southern flounder Spot Total Species Micropogonias undulatus Brevoortia tyrannus Anchoa mitchilli Trinectes maculatus Elops saurus Paralichthys lethostigma Leiostomus xanthurus 2021 6-Apr 88 0 7 0 0 0 20 115 13-Apr 0 0 0 0 0 0 2 2 20-Apr 182 0 20 0 0 0 208 410 27-Apr 146 0 7 1 1 1 111 267 4-May 41 0 28 0 0 0 30 99 11-May 65 0 19 0 1 1 91 177 18-May 35 0 4 0 0 0 24 63 25-May 46 1 2 0 0 2 25 76 1-Jun 22 2 2 0 1 1 10 38 8-Jun 9 0 0 0 0 0 7 16 15-Jun 18 0 5 0 0 3 7 33 22-Jun 44 0 56 0 0 0 5 105 29-Jun 39 0 8 2 0 2 5 56 Total 735 3 158 3 3 10 545 1,457 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-14 Table H-15. Hydrographic parameters measured at Drinkwater Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 15-Jun 22-J u n 29-Jun Near surface Temperature (*C) Dissolved oxygen (%) Dissolved oxygen (mg/I) Specific conductivity (mS) Conductivity (mS) Salinity (psu) pH Secchi depth (inches) Water depth (inches) SAV visible 18.7 101.4 9.4 2.7 2.4 1.4 7.1 31.0 56.8 0.0 21.3 111.2 9.4 2.8 2.6 1.5 8.1 38.0 65.0 0.0 22.0 101.0 8.8 2.9 2.7 1.5 7.2 26.0 68.0 0.0 22.2 105.2 9.0 2.9 2.7 1.5 7.1 24.0 61.0 25.0 27.1 97.8 7.7 3.5 3.6 1.8 7.6 30.5 65.0 0.0 21.9 81.7 7.1 4.6 4.4 2.5 8.0 27.5 66.5 0.0 26.9 124.9 9.9 5.0 5.2 2.7 8.3 18.0 61.0 0.0 27.1 97.2 7.6 4.8 5.0 2.6 7.7 23.0 52.0 0.0 26.4 133.0 10.4 5.4 5.6 2.9 8.2 23.0 67.0 5.0 28.6 122.0 9.4 4.9 4.8 3.4 8.7 20.5 64.0 0.0 28.2 121.4 9.3 5.3 5.6 2.8 8.6 25.0 66.0 0.0 27.6 110.0 8.5 7.8 7.9 4.1 8.2 30.0 75.0 0.0 31.8 99.3 7.2 7.1 8.0 3.9 8.5 28.0 61.0 0.0 Near bottom Temperature (*C) Dissolved oxygen (%) Dissolved oxygen (mg/I) Specific conductivity (mS) Conductivity (mS) Salinity (psu) pH 16.0 97.2 9.4 2.8 2.3 1.4 7.1 20.7 89.5 7.9 2.8 2.6 1.5 7.9 18.7 70.3 6.5 2.7 2.4 1.4 6.8 22.0 103.7 9.0 2.9 2.7 1.5 7.1 22.2 16.7 5.2 3.7 3.5 2.0 7.5 21.7 68.2 5.9 4.7 3.6 2.5 7.5 23.7 76.8 6.4 5.1 5.0 2.8 7.3 26.0 64.2 5.1 5.0 5.1 2.7 7.3 23.3 98.0 8.1 5.4 5.2 2.9 8.0 25.2 48.0 3.9 6.0 3.5 7.1 26.6 69.7 5.5 5.3 5.4 2.8 7.5 26.6 79.3 6.2 7.7 8.0 4.3 7.5 29.7 41.9 3.2 7.4 8.1 4.1 7.4 H-15 Table H-16. Fully enumerated list of all fish captured in trawls at Long Creek in April, May, and June 2021. Common Name Atlantic croaker Atlantic menhaden Bay anchovy Ladyfish Southern flounder Spot Total Species Micropogonias undulatus Brevoortia tyrannus Anchoa mitchilli Elops saurus Paralichthys lethostigma Leiostomus xanthurus 2021 6-Apr 35 0 11 0 0 12 58 13-Apr 18 0 2 0 0 50 70 20-Apr 109 1 136 0 1 214 461 27-Apr 46 0 15 0 0 28 89 4-May 23 0 9 0 0 42 74 11-May 103 1 62 0 0 80 246 18-May 198 0 11 0 1 92 302 25-May 57 0 1 0 0 16 74 1-Jun 9 0 1 0 0 21 31 8-Jun 11 0 4 1 0 5 21 15-Jun 5 0 1 1 0 10 17 23-Jun 35 0 85 0 0 10 130 29-Jun 49 0 5 0 0 6 60 Total 698 2 343 2 2 586 1,633 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-16 Table H-17. Hydrographic parameters measured at Long Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 15-Jun 23-Jun 29-Jun Near surface Temperature (`C) 19.1 21.9 20.8 20.9 26.4 22.1 24.7 27.6 25.9 28.1 26.4 27.3 29.1 Dissolved oxygen (%) 109.0 97.9 97.3 96.9 85.0 75.4 97.2 98.3 123.9 108.9 93.8 104.2 89.7 Dissolved oxygen (mg/I) 9.8 8.5 8.6 8.6 6.7 6.5 8.0 7.6 9.8 8.4 7.4 8.1 6.7 Specific conductivity (mS) 3.0 3.0 3.0 3.2 4.3 5.0 5.1 5.3 6.5 4.4 5.3 7.3 8.3 Conductivity (mS) 2.6 2.8 2.8 2.9 4.5 4.2 5.0 5.6 6.6 4.7 5.5 7.6 8.9 Salinity (psu) 1.6 1.6 5.6 1.7 2.3 2.7 2.7 2.9 3.5 2.4 2.9 4.0 4.6 pH 7.0 8.1 7.1 7.1 7.0 7.6 7.6 7.6 8.5 8.0 7.5 8.2 8.0 Secchi depth (inches) 31.0 28.0 21.5 24.5 32.0 25.0 25.0 20.0 20.0 24.0 25.0 21.0 24.0 Water depth (inches) 44.0 74.5 74.5 70.0 64.0 73.0 67.0 67.0 71.0 71.0 71.0 76.5 68.5 SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (`C) 17.3 21.9 18.7 18.8 22.1 21.7 23.3 26.3 23.2 25.7 25.2 26.2 27.4 Dissolved oxygen (%) 92.8 94.7 79.3 85.6 5.7 56.0 64.0 58.9 61.7 35.6 22.7 62.7 24.4 Dissolved oxygen (mg/I) 8.8 8.2 7.2 7.9 4.8 4.8 5.4 4.6 5.1 3.0 1.8 5.0 1.9 Specific conductivity (mS) 3.0 3.0 3.0 3.2 4.4 5.0 5.1 5.6 6.4 5.7 6.2 7.4 8.8 Conductivity (mS) 2.5 2.8 2.7 2.8 4.1 4.7 5.0 5.8 6.2 5.8 6.2 7.6 9.2 Salinity (psu) 1.6 1.6 1.6 1.7 2.3 2.7 2.8 3.1 3.2 3.1 3.5 4.1 4.1 pH 7.0 8.1 6.8 7.1 7.0 7.5 7.1 7.3 8.1 7.0 7.0 7.5 7.4 H-17 Table H-18. Fully enumerated list of all fish captured in trawls at Tooley Creek in April, May, and June 2021. Common Name Atlantic croaker Atlantic menhaden Bay anchovy Ladyfish Southern flounder Spot Total Species Micropogonias undulatus Brevoortia tyrannus Anchoa mitchilli Elops saurus Paralichthys lethostigma Leiostomus xanthurus 2021 6-Apr 4 0 1 0 0 0 5 13-Apr 65 6 546 0 0 97 714 20-Apr 17 0 41 0 0 91 149 27-Apr 127 0 90 0 1 137 355 4-May 85 0 105 0 0 103 293 11-May 63 4 133 0 0 158 358 18-May 131 1 34 0 0 56 222 25-May 27 0 1 0 0 28 56 1-Jun 6 1 24 2 0 9 42 8-Jun 35 0 0 0 1 11 47 15-Jun 19 0 2 2 0 6 29 23-Jun 26 0 25 0 0 6 57 29-Jun 30 0 38 0 0 3 71 Total 635 12 1040 4 2 705 2,398 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-18 Table H-19. Hydrographic parameters measured at Tooley Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 15-Jun 23-Jun 29-Jun Near surface Temperature (`C) 17.9 21.9 21.0 21.6 25.7 22.1 26.4 27.6 25.8 29.7 28.6 28.0 30.0 Dissolved oxygen (%) 97.6 106.1 97.2 104.1 95.6 91.2 149.1 107.3 130.8 123.5 104.9 116.2 100.3 Dissolved oxygen (mg/I) 9.2 9.3 8.6 9.1 7.7 7.9 11.3 8.3 10.5 9.1 8.0 8.9 7.5 Specific conductivity (mS) 2.9 2.9 3.1 3.0 3.8 4.8 5.3 5.1 6.0 4.3 5.9 8.0 8.1 Conductivity (mS) 2.5 2.7 2.9 2.8 3.9 4.5 5.4 5.3 6.2 4.7 6.3 8.4 8.9 Salinity (psu) 1.5 1.5 1.6 1.6 2.0 2.6 2.8 2.7 3.3 2.2 3.2 4.4 4.5 pH 7.1 8.5 7.3 7.3 7.4 8.5 8.2 8.1 8.4 8.8 8.4 8.3 8.6 Secchi depth (inches) 35.0 28.0 22.0 22.0 23.0 28.5 23.8 21.0 18.5 25.0 18.0 19.5 22.0 Water depth (inches) 67.0 83.5 80.0 72.5 68.0 80.0 63.0 72.0 73.5 68.0 74.5 81.0 69.0 SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (`C) 15.8 20.3 19.4 20.2 22.3 21.4 23.2 25.9 23.6 25.8 26.0 26.5 29.4 Dissolved oxygen (%) 95.4 84.0 68.3 96.8 48.5 61.3 89.4 49.8 49.5 63.0 35.0 68.3 53.0 Dissolved oxygen (mg/I) 9.3 7.5 5.7 8.6 4.2 5.4 7.6 4.0 4.2 5.0 2.8 5.4 3.9 Specific conductivity (mS) 3.0 2.9 3.0 3.0 3.9 4.9 5.3 5.2 6.1 5.5 5.3 8.4 8.5 Conductivity (mS) 2.4 2.7 2.6 2.8 3.7 4.5 5.1 5.3 5.9 5.5 6.0 8.4 9.2 Salinity (psu) 1.6 1.5 1.5 1.6 2.1 2.6 2.9 2.8 3.3 3.0 3.2 4.5 4.7 pH 7.1 8.1 7.0 7.3 7.1 7.6 7.6 7.2 7.8 7.4 7.1 7.5 7.7 H-19 Table H-20. Fully enumerated list of all fish captured in trawls at Muddy Creek in April, May, and June 2021. Common Name Species 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 15-Jun 23-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 18 48 8 30 20 82 16 38 28 34 10 39 61 432 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 0 0 2 1 0 0 0 0 3 Bay anchovy Anchoa mitchilli 3 15 8 0 10 61 1 2 1 1 0 10 34 146 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Hogchoker Trinectes maculatus 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Ladyfish Elops saurus 0 0 0 0 0 0 0 0 0 0 2 0 0 2 Pumpkinseeds Lepomis gibbosus 0 0 0 0 0 0 0 0 1 0 0 0 0 1 Southern flounder Paralichthys lethostigma 2 0 0 0 0 1 0 1 0 20 0 0 0 24 Spot Leiostomus xanthurus 0 146 46 15 20 72 19 13 9 0 19 16 16 391 Total 23 210 62 45 50 216 36 56 40 55 31 66 111 1,001 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-20 Table H-21. Hydrographic parameters measured at Muddy Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 15-Jun 23-Jun 29-Jun Near surface Temperature (*C) 18.0 21.1 19.2 20.6 25.0 22.1 24.8 27.8 25.6 27.7 25.6 26.4 29.0 Dissolved oxygen (%) 116.1 91.9 80.4 87.3 101.9 72.4 100.1 83.7 123.9 120.0 68.5 86.0 85.4 Dissolved oxygen (mg/I) 10.8 8.1 7.4 7.9 6.5 6.3 8.1 6.6 101.9 9.2 5.6 6.8 6.4 Specific conductivity (mS) 2.8 3.4 3.4 3.2 4.6 5.5 5.7 5.8 7.1 5.9 4.6 8.4 10.0 Conductivity (mS) 2.5 3.1 3.0 2.9 4.6 5.5 5.7 6.1 7.1 6.2 4.6 8.6 10.7 Salinity (psu) 1.5 1.8 1.8 1.7 2.5 3.0 3.1 3.2 3.9 3.2 2.4 4.7 5.6 pH 6.9 7.5 6.2 6.8 6.9 7.7 7.6 7.9 8.4 8.3 7.3 7.6 7.6 Secchi depth (inches) 19.5 31.0 21.0 23.0 22.0 23.0 18.3 16.0 22.0 15.0 20.3 20.5 33.0 Water depth (inches) 44.8 63.0 57.0 53.5 56.0 58.0 49.0 54.5 66.0 53.5 59.0 63.0 55.5 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 18.0 21.1 18.9 19.4 22.4 22.0 24.1 26.2 22.3 26.0 24.9 26.5 28.1 Dissolved oxygen (%) 106.7 89.2 75.3 77.1 54.8 69.2 88.9 39.5 84.7 64.5 34.5 82.0 41.5 Dissolved oxygen (mg/I) 10.1 7.8 7.0 6.9 4.8 5.9 7.4 3.1 7.2 5.2 2.6 6.4 3.2 Specific conductivity (mS) 2.8 3.4 3.4 3.1 4.7 5.5 5.8 5.9 7.3 6.4 5.4 8.8 10.3 Conductivity (mS) 2.5 3.1 3.0 2.8 4.5 5.2 5.6 6.0 7.9 6.5 5.4 9.1 10.9 Salinity (psu) 1.5 1.8 1.8 1.6 2.5 3.0 3.1 3.2 4.0 3.5 2.9 4.9 5.8 pH 7.1 7.6 6.9 6.9 6.9 7.2 7.6 7.4 8.3 8.3 7.1 7.6 7.4 H-21 Table H-22. Fully enumerated list of all fish captured by fyke net at Huddles Cut in April, May, and June 2021. Common Name Species 2021 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Total Atlantic croaker Micropogonias undulatus 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Atlantic menhaden Brevoortia tyrannus 0 2 0 0 2 3 0 0 0 0 0 0 0 7 Bay anchovy Anchoa mitchilli 0 36 1 0 0 0 0 0 1 0 0 2 0 40 Bluegilla Lepomis macrochirus 2 2 2 0 1 0 0 0 0 2 0 0 0 9 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 0 0 0 0 0 1 0 0 1 Common carps Cyprinus carpio 0 1 0 0 0 0 0 0 0 0 0 0 0 1 Gizzard shads Dorosoma cepedianum 0 0 0 0 0 0 0 0 1 0 0 0 1 2 Golden shiners Notemigonus crysoleucas 0 0 0 0 0 0 1 0 0 0 2 1 0 4 Inland silverside Menidia beryllina 2 37 9 0 1 80 0 0 10 0 2 27 2 170 Largemouth basso Micropterus salmoides 0 0 0 0 0 0 0 0 0 0 2 0 3 5 Mummichog Fundulus heteroclitus 820 380 3589 1850 1483 140 4240 1952 205 14 11 15 2636 17,335 Naked goby Gobiosoma bosci 2 0 0 0 0 0 0 0 0 0 0 0 0 2 Pumpkinseeds Lepomis gibbosus 1 0 0 0 5 1 5 1 1 3 0 0 14 31 Rainwater killifish Lucania carve 4 0 0 5 0 0 0 1 0 0 0 0 0 10 Red drum Sciaenops ocellatus 12 0 1 0 0 1 10 0 5 1 1 3 0 34 Sheepshead minnow Cyprinodon variegatus 9 8 0 13 7 0 9 25 0 1 0 0 4 76 Southern flounder Paralichthys lethostigma 0 0 0 0 0 0 0 0 0 5 1 0 13 19 Spot Leiostomus xanthurus 705 873 208 123 61 170 36 26 59 86 82 113 269 2,811 Striped mullet Mugil cephalus 1 5 2 36 3 1 35 3 32 0 3 3 114 238 Warmoutha Lepomis gulosus 2 0 0 0 0 0 0 0 0 0 0 0 0 2 White perch Morone americana 12 15 11 7 7 1 7 3 0 6 2 0 4 75 Yellow percha I Perca flavecens 0 0 0 0 0 0 0 0 4 11 2 0 3 20 Total 1,572 1,359 3,823 2,034 1,570 397 4,343 2,011 318 129 110 164 3,063 20,893 Fyke nets consisted of 0.25-inch mesh net with four 21-inch hoops, a 6-inch throat, and a 22-foot wingspan. Two fyke nets (one fished upstream and one fished downstream) stretched across the entire width of the creek and were anchored for a set time of approximately 16 hours. a Freshwater species. H-22 Table H-23. Hydrographic parameters measured at Huddles Cut prior to fyke net deployment and retrieval in April, May, June and July 2021. Parameters 2021 Net Deployment 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun 30-Jun Temperature (*C) 24.0 21.2 23.1 24.2 25.0 17.6 29.5 31.8 23.8 30.2 28.2 27.3 32.2 Dissolved oxygen (%) 100.0 101.5 53.6 114.4 101.7 85.3 106.8 124.7 94.6 90.3 91.9 109.7 94.5 Dissolved oxygen (mg/I) 8.4 9.0 4.5 9.5 8.3 8.1 8.0 8.9 7.9 6.6 7.1 8.5 6.7 Specific conductivity (mS) 2.5 2.4 3.8 3.7 3.1 5.2 5.4 5.3 4.0 4.2 4.8 7.0 9.2 Conductivity (mS) 2.5 2.3 3.7 3.6 3.1 4.5 5.9 5.9 4.0 4.7 5.1 7.3 10.5 Salinity (psu) 1.3 1.3 2.0 1.9 1.6 2.8 2.9 2.8 2.2 2.2 2.6 3.8 5.1 pH 7.1 8.3 6.1 7.2 8.4 8.0 8.2 8.7 6.8 7.3 7.2 7.8 7.9 Secchi depth (inches) 18.0 21.0 10.0 21.0 22.0 8.0 12.0 9.0 19.0 11.0 13.0 13.0 >19.5 Water depth (inches) 24.5 39.8 22.0 27.0 26.0 36.0 18.0 22.0 26.0 19.0 26.5 32.0 19.5 % SAV visible 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Net Retrieval 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Temperature (*C) 20.4 20.3 13.2 18.8 20.6 13.4 22.4 23.1 23.2 23.4 25.8 21.2 27.5 Dissolved oxygen (%) 104.6 87.1 86.8 71.0 80.4 46.1 92.6 42.0 68.3 15.9 97.5 41.6 66.5 Dissolved oxygen (mg/I) 9.3 7.8 9.0 6.5 7.3 4.8 7.8 3.5 5.6 1.4 7.7 3.6 5.1 Specific conductivity (mS) 1.7 2.4 1.2 3.6 3.2 5.0 5.3 5.8 4.6 2.2 4.3 4.9 9.1 Conductivity (mS) 1.6 2.2 0.9 3.2 2.9 3.6 5.0 5.5 4.4 2.1 4.4 4.5 9.5 Salinity (psu) 0.9 1.2 0.6 1.9 1.7 2.8 2.9 3.1 3.4 1.1 2.3 2.6 5.1 pH 8.4 7.4 6.9 6.7 7.2 7.0 7.9 7.2 6.8 6.5 8.9 6.9 7.5 Secchi depth (inches) 22.0 >25.75 11.0 20.0 11.0 20.0 12.0 15.0 >24 17.0 17.5 18.0 >15 Water depth (inches) 30.0 25.8 18.0 23.0 31.0 26.8 18.0 18.0 24.0 24.0 39.0 28.0 15.0 % SAV visible 0.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 H-23 Table H-24. Fully enumerated list of all fish captured in trawls at Porter Creek in April, May, and June 2021. Common Name Species 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 16-Jun 23-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 31 38 59 24 51 147 320 119 47 56 30 30 40 992 Atlantic menhaden Brevoortia tyrannus 0 4 0 2 0 0 3 5 0 0 0 0 0 14 Bay anchovy Anchoa mitchilli 105 57 164 9 65 23 118 11 20 2 11 62 1 648 Hogchoker Trinectes maculatus 0 0 0 0 0 0 0 0 1 0 0 0 0 1 Inland silverside Menidia beryllina 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Ladyfish Elops saurus 0 0 2 0 0 0 0 0 0 0 0 0 0 2 Rainwater killifish Lucania parva 0 0 0 0 1 0 0 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 0 0 0 0 1 0 0 0 0 0 0 0 0 1 Spot Leiostomus xanthurus 50 60 193 29 172 78 107 18 18 41 21 16 4 807 Total 186 159 418 64 290 248 549 153 86 99 62 108 45 2,467 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-24 Table H-25. Hydrographic parameters measured at Porter Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 16-Jun 23-Jun 29-Jun Near surface Temperature (*C) 17.6 21.1 20.0 20.2 23.4 22.0 24.8 28.4 24.1 27.2 27.4 25.7 29.3 Dissolved oxygen (%) 106.7 81.9 75.4 92.8 89.3 89.8 107.7 118.7 146.6 93.1 104.8 94.0 80.9 Dissolved oxygen (mg/I) 10.1 7.3 6.8 8.4 7.5 7.8 8.7 9.0 12.2 7.4 8.2 7.5 6.2 Specific conductivity (mS) 1.0 1.1 1.0 0.8 1.8 2.3 2.4 2.6 3.7 3.9 4.5 7.2 7.0 Conductivity (mS) 0.8 1.0 0.9 0.8 1.8 2.2 2.4 2.8 3.6 4.0 4.7 7.3 7.6 Salinity (psu) 0.5 0.5 0.5 0.4 0.9 1.2 1.3 1.3 2.0 2.1 2.4 4.0 3.8 pH 6.8 7.0 6.0 6.7 6.4 7.9 9.1 9.2 9.0 8.4 8.6 7.8 7.8 Secchi depth (inches) 30.8 35.0 28.0 29.0 24.0 28.0 17.0 17.5 20.5 24.0 19.0 18.0 28.0 Water depth (inches) 99.0 79.1 74.0 67.0 55.8 77.0 68.0 60.0 76.0 66.8 76.0 71.0 70.5 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Near bottom Temperature (*C) 17.0 21.0 18.9 19.6 22.4 21.1 22.4 26.3 22.4 25.1 26.3 26.1 27.8 Dissolved oxygen (%) 109.0 78.2 68.0 86.4 71.7 74.7 91.1 79.0 98.4 47.9 43.5 62.6 24.9 Dissolved oxygen (mg/I) 9.6 6.9 6.2 7.8 6.2 6.6 7.8 6.3 8.3 3.9 3.5 5.0 1.9 Specific conductivity (mS) 1.1 1.1 1.0 0.8 1.9 2.6 2.4 2.6 3.8 4.1 4.7 8.1 7.3 Conductivity (mS) 0.9 1.0 0.9 0.8 1.8 2.4 2.4 2.7 3.6 4.2 4.9 8.2 7.7 Salinity (psu) 0.5 0.5 0.5 0.4 1.0 1.3 4.3 1.3 2.0 2.2 2.5 4.5 4.0 pH 6.8 7.0 6.0 6.7 6.4 7.5 7.8 8.7 5.4 7.4 7.4 7.3 7.2 H-25 Table H-26. Fully enumerated list of all fish captured by fyke net at DCUT11 in April, May, and June 2021. Common Name Species 2021 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Total American eel Anguilla rostrata 0 0 0 0 0 0 1 0 0 0 0 0 0 1 Bluegilla Lepomis macrochirus 0 3 0 0 4 1 1 0 0 0 0 0 0 9 Bluespotted sunfish' Enneacanthus gloriosus 1 0 0 0 0 0 0 0 0 0 0 0 0 1 Bowfina Amia calva 2 0 0 0 0 0 0 1 0 0 0 0 0 3 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 0 0 0 0 100 0 0 23 123 Chain pickerels Esox niger 0 2 1 0 0 0 0 1 0 0 0 0 0 4 Eastern mosquitofisha Gambusia holbrooki 1 1 8 1 2 12 29 0 2 0 0 0 5 61 Gizzard shads Dorosoma cepedianum 0 0 0 0 0 0 0 0 0 0 0 1 0 1 Golden shiners Notemigonus crysoleucas 5 5 0 0 4 0 0 0 0 0 0 2 3 19 Inland silverside Menidia beryllina 0 1 0 0 0 3 2 0 1 0 0 0 0 7 Largemouth basso Micropterus salmoides 0 0 0 0 0 0 0 0 0 5 10 40 0 55 Longnose gars Lepisosteus osseus 0 0 0 0 0 0 0 0 3 0 0 0 0 3 Mummichog Fundulus heteroclitus 34 5 15 1251 62 39 372 35 0 0 0 0 12 1825 Pumpkinseeds Lepomis gibbosus 37 84 16 35 66 27 3 0 0 4 35 28 0 335 Rainwater killifish Lucania parva 1 1 0 5 4 7 4 0 0 3 0 0 1 26 Redfin pickerels Esox americanus 0 0 0 1 0 0 0 0 0 0 0 0 0 1 Sheepshead minnow Cyprinodon variegatus 4 1 0 108 22 0 27 18 0 0 0 0 40 220 Spot Leiostomus xanthurus 4 26 1 0 0 0 0 0 0 0 0 0 0 31 Total 89 129 41 1401 164 89 439 55 6 112 45 71 84 2,725 Fyke nets consisted of 0.25-inch mesh net with four 21 inch hoops, a 6-inch throat, and a 22-foot wingspan. Two fyke nets (one fished upstream and one fished downstream) stretched across the entire width of the creek and were anchored for a set time of approximately 16 hours. a Freshwater species. H-26 Table H-27. Hydrographic parameters measured at DCUT11 prior to fyke net deployment and retrieval in April, May, June and July 2021. Parameters 2021 Net Deployment 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun 30-Jun Temperature (*C) 22.2 21.9 23.8 27.3 30.8 18.5 29.5 32.4 24.6 33.6 27.9 28.5 33.2 Dissolved oxygen (%) 80.2 63.7 78.1 117.3 86.4 71.2 135.4 69.4 91.5 113.1 65.5 87.0 58.6 Dissolved oxygen (mg/I) 7.0 5.5 6.6 9.3 6.3 6.8 10.2 4.9 7.5 8.0 5.1 6.6 4.2 Specific conductivity (mS) 2.7 0.7 2.2 2.0 2.9 2.0 3.1 3.1 3.1 3.4 2.4 4.6 3.0 Conductivity (mS) 2.6 0.7 2.1 2.0 3.2 1.7 3.4 3.5 3.1 3.9 2.5 5.0 3.5 Salinity (psu) 1.4 0.4 1.1 0.9 1.5 1.0 1.6 1.6 1.6 1.7 1.2 2.5 1.5 pH 6.8 6.8 6.1 6.7 7.2 7.4 7.8 7.0 6.8 7.9 6.6 7.1 6.8 Secchi depth (inches) >7.0 >28.8 >15.0 >12.0 >13.0 18.0 >12.5 >13.0 >19.0 >16.5 >19.0 18.0 >14.0 Water depth (inches) 7.0 28.8 15.0 12.0 13.0 23.0 12.5 13.0 19.0 16.5 19.0 24.0 14.0 % SAV visible 20.0 10.0 25.0 50.0 20.0 20.0 20.0 80.0 5.0 50.0 30.0 0.0 20.0 Net Retrieval 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Temperature (*C) 17.6 19.5 18.3 21.9 23.0 14.0 24.7 25.1 24.2 24.0 24.7 24.3 28.4 Dissolved oxygen (%) 30.3 25.5 79.8 51.8 68.3 21.6 48.1 22.3 45.0 13.6 31.1 69.0 16.6 Dissolved oxygen (mg/I) 2.9 2.3 7.5 4.6 5.8 2.2 7.8 1.8 3.7 1.2 2.6 5.6 1.3 Specific conductivity (mS) 2.1 1.9 0.7 2.8 1.5 2.4 3.2 3.4 3.0 1.8 2.4 4.7 3.3 Conductivity (mS) 1.8 1.7 0.6 2.4 1.4 1.9 3.1 3.4 3.0 1.7 2.4 4.7 3.5 Salinity (psu) 1.1 1.0 0.4 1.4 0.7 1.3 1.7 1.8 1.6 0.9 1.3 2.5 1.7 pH 6.4 6.6 6.9 6.5 6.9 6.7 6.7 6.8 6.0 6.5 6.5 6.0 6.9 Secchi depth (inches) >13.25 >12.0 >20.0 >10.0 >28.0 >15.5 >15.0 >7.5 >21.0 >14.0 >19.0 18.0 >10.0 Water depth (inches) 13.3 12.0 20.0 10.0 28.0 15.5 15.0 7.5 21.0 14.0 19.0 24.0 10.0 % SAV visible 50.0 10.0 30.0 5.0 10.0 20.0 30.0 80.0 5.0 30.0 30.0 0.0 15.0 H-27 Table H-28. Fully enumerated list of all fish captured by fyke net at DCUT19 in April, May, and June 2021. Common Name Species 2021 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Total American eel Anguilla rostrata 0 2 0 0 0 0 0 0 0 0 0 0 0 2 Atlantic menhaden Brevoortia tyrannus 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Bluegilla Lepomis macrochirus 0 0 0 7 3 3 0 0 2 1 0 0 0 16 Bowfin' Amia calva 0 0 0 0 0 0 0 0 1 0 1 0 0 2 Brown bullheads Ameiurus nebulosus 0 0 0 0 0 0 0 0 0 102 64 3 134 303 Eastern mosquitofisha Gambusia holbrooki 27 26 151 59 36 36 76 3 27 14 0 0 93 548 Eastern mudminnowa Umbra pygmaea 0 3 0 0 0 1 3 1 1 3 0 0 0 12 Golden shiners Notemigonus crysoleucas 13 8 1 10 3 2 0 0 31 1 2 5 55 131 Inland silverside Menidia beryllina 9 0 0 1 0 4 3 0 1 0 0 4 0 22 Largemouth bassa Micropterus salmoides 0 0 0 1 1 0 0 0 11 8 2 18 3 44 Mummichog Fundulus heteroclitus 19 11 1041 260 41 11 594 361 6 381 1 0 967 3,693 Pumpkinseeds Lepomis gibbosus 31 149 34 31 10 108 25 6 6 0 79 60 30 569 Rainwater killifish Lucania parva 13 20 19 20 11 32 5 0 30 24 28 65 6 273 Sheepshead minnow Cyprinodon variegatus 3 0 319 21 40 5 203 33 17 102 2 4 0 749 Southern flounder Paralichthys lethostigma 0 0 0 0 0 1 0 0 0 0 0 0 0 1 Spot Leiostomus xanthurus 1 218 17 25 4 84 5 3 19 16 9 10 9 420 Warmoutha Lepomis gulosus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 White perch Morone americana 0 1 3 0 1 1 1 0 0 0 0 0 0 7 Yellow perch' Perca flavecens 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Total 116 438 1586 435 150 289 915 407 152 652 188 169 1298 6,795 Fyke nets consisted of 0.25-inch mesh net with four 21-inch hoops, a 6-inch throat, and a 22-foot wingspan. Two fyke nets (one fished upstream and one fished downstream) stretched across the entire width of the creek and were anchored for a set time of approximately 16 hours. a Freshwater species. H-28 Table H-29. Hydrographic parameters measured at DCUT19 prior to fyke net deployment and retrieval in April, May, June and July 2021. Parameters 2021 Net Deployment 7-Apr 14-Apr 21-Apr 28-Apr 5-May 12-May 19-May 26-May 2-Jun 9-Jun 16-Jun 23-Jun 30-Jun Temperature (*C) 23.8 24.7 23.6 29.6 30.4 18.1 29.7 31.8 24.6 31.1 28.9 28.0 33.2 Dissolved oxygen (%) 34.9 74.5 55.1 110.7 87.0 63.7 117.1 27.9 80.8 61.7 77.0 39.5 58.6 Dissolved oxygen (mg/I) 2.9 6.1 4.6 8.4 6.5 6.0 8.6 1.9 6.6 4.5 5.9 3.0 4.2 Specific conductivity (mS) 2.2 1.0 1.8 1.7 2.6 2.4 3.1 3.6 3.0 3.8 4.1 7.0 3.0 Conductivity (mS) 2.1 1.0 1.8 1.8 2.9 2.0 3.5 4.1 3.0 4.3 4.4 7.4 3.5 Salinity (psu) 1.1 0.5 0.9 0.9 1.4 1.2 1.7 1.9 1.6 2.0 2.2 3.8 1.5 pH 6.7 7.2 6.1 6.7 7.1 7.1 7.0 6.7 6.8 6.9 7.0 6.5 6.8 Secchi depth (inches) >7.0 >28.0 >10.0 >13.0 >13.5 >21.0 >11.0 >12.8 >20.0 >14.0 >20.5 >20.0 >14.0 Water depth (inches) 7.0 28.0 10.0 13.0 13.5 21.0 11.0 12.8 20.0 14.0 20.5 20.0 14.0 SAV visible 0.0 1.5 20.0 75.0 35.0 10.0 20.0 40.0 1.0 30.0 40.0 30.0 20.0 Net Retrieval 8-Apr 15-Apr 22-Apr 29-Apr 6-May 13-May 20-May 27-May 3-Jun 10-Jun 17-Jun 24-Jun 1-Jul Temperature (*C) 16.8 18.9 14.0 20.5 22.5 17.2 22.0 24.5 23.8 25.0 25.3 23.1 28.0 Dissolved oxygen (%) 13.2 12.6 54.0 32.4 56.5 43.7 27.3 42.1 33.0 19.4 54.3 35.9 16.3 Dissolved oxygen (mg/I) 1.3 1.2 5.6 2.9 4.9 4.2 2.3 3.4 2.7 1.7 4.4 2.2 1.3 Specific conductivity (mS) 2.1 1.8 1.2 2.3 2.3 2.6 3.1 4.3 2.8 1.1 4.2 6.3 5.1 Conductivity (mS) 1.8 1.6 0.9 2.1 2.2 2.2 2.6 4.3 2.8 1.1 4.3 6.1 5.4 Salinity (psu) 1.1 0.9 0.6 1.2 1.2 1.4 1.7 2.3 1.5 0.6 2.2 3.4 2.7 pH 6.6 6.6 6.8 6.5 7.0 6.9 6.8 6.9 6.9 6.6 7.3 6.5 7.0 Secchi depth (inches) >8.0 >5.0 >10.0 >11.0 11.0 >17.0 >11.0 >7.0 >17.0 >16.0 >20.0 >17.0 >8.5 Water depth (inches) 8.0 5.0 10.0 11.0 28.0 17.0 11.0 7.0 17.0 16.0 20.0 17.0 8.5 SAV visible 0.0 5.0 20.0 60.0 10.0 30.0 20.0 80.0 30.0 30.0 20.0 5.0 20.0 H-29 Table H-30. Fully enumerated list of all fish captured in trawls at Duck Creek in April, May, and June 2021. Common Name Species 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 16-Jun 23-Jun 29-Jun Total Atlantic croaker Micropogonias undulatus 49 11 34 39 43 65 1 85 9 130 109 31 86 692 Atlantic menhaden Brevoortia tyrannus 0 5 1 0 0 2 0 10 0 0 0 0 0 18 Bay anchovy Anchoa mitchilli 38 134 26 4 2 17 6 11 1 0 3 6 3 251 Hogchoker Trinectes maculatus 0 1 0 2 2 0 0 0 0 0 0 0 0 5 Ladyfish Elops saurus 0 0 1 0 0 0 0 0 0 0 0 0 0 1 Southern flounder Paralichthys lethostigma 0 0 0 0 0 0 0 0 0 0 0 2 0 2 Spot Leiostomus xanthurus 43 66 284 40 97 110 62 23 8 184 22 9 32 980 Spottail shiners Notropis hudsonius 0 0 0 0 0 0 0 0 0 2 2 0 1 5 Total 130 217 346 85 144 194 69 129 18 316 136 48 122 1,954 Trawling was performed with a two -seam otter trawl constructed with a 10.5-foot head rope. 0.25-inch bar mesh wings and body, and 0.12-inch bar mesh cod end. Otter trawl was towed toward the creek mouth for approximately one minute, covering 75 yards. a Freshwater species. H-30 Table H-31. Hydrographic parameters measured at Duck Creek prior to fish trawls in April, May, and June 2021. Parameters 2021 6-Apr 13-Apr 20-Apr 27-Apr 4-May 11-May 18-May 25-May 1-Jun 8-Jun 16-Jun 23-Jun 29-Jun Near surface Temperature (*C) 17.3 21.9 18.6 20.1 23.2 21.5 23.1 24.7 23.8 22.7 26.4 25.3 29.5 Dissolved oxygen (%) 103.1 76.1 57.7 100.6 79.7 84.6 93.6 103.8 141.0 82.5 113.0 66.8 98.0 Dissolved oxygen (mg/I) 9.9 6.6 5.0 9.2 6.8 7.5 8.1 8.5 11.7 6.5 9.0 5.5 7.4 Specific conductivity (mS) 0.3 0.5 0.4 0.4 0.5 0.9 1.3 2.3 2.5 1.4 3.7 1.8 5.0 Conductivity (mS) 0.3 0.5 0.4 0.4 0.4 0.9 1.3 2.3 2.4 1.5 3.4 1.9 5.8 Salinity (psu) 0.2 0.2 0.2 0.2 0.2 0.5 0.7 1.2 1.3 0.7 2.0 0.9 2.7 pH 6.9 6.9 6.5 7.3 6.0 7.3 5.5 8.2 8.7 7.9 8.4 6.7 8.0 Secchi depth (inches) 24.5 23.0 25.0 27.3 21.0 29.5 19.0 18.0 18.5 23.0 20.5 16.0 17.5 Water depth (inches) 49.0 52.8 67.0 52.8 56.0 58.0 52.0 49.0 64.5 49.0 56.0 55.0 44.0 % SAV visible 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 Near bottom Temperature (*C) 16.7 21.8 18.4 19.3 22.9 21.4 21.6 23.3 22.8 27.5 25.6 26.4 28.9 Dissolved oxygen (%) 93.4 72.6 48.0 97.2 76.1 74.0 81.0 64.7 77.0 69.7 62.2 56.4 13.9 Dissolved oxygen (mg/I) 9.1 6.3 4.5 8.5 6.6 6.6 7.3 5.5 6.5 5.6 6.0 4.4 1.3 Specific conductivity (mS) 0.4 0.5 0.4 0.4 0.5 0.9 1.4 2.7 3.6 1.5 3.9 5.3 6.4 Conductivity (mS) 0.3 0.5 0.4 0.4 0.4 1.0 1.3 2.6 3.4 1.5 4.0 5.5 6.9 Salinity (psu) 0.2 0.2 0.2 0.2 0.2 0.5 0.7 1.4 1.9 0.7 2.0 2.9 3.5 pH 6.6 6.9 6.4 7.1 6.0 7.4 5.6 7.6 8.4 7.6 7.0 6.2 7.0 H-31