Surface Water - Alabama Department of Environmental Management

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Methodology Table 11. List of parameters analyzed by ADEM Central Laboratory. Analysis method, reference, and detection limit are also listed. Parameter Method Reference Detection Limit Air Temperature Thermometer ADEM SOP Vol. 1 1 o C Water Temperature Thermometer/Thermistor ADEM SOP Vol. 1 1 o C Dissolved Oxygen Modified Winkler ADEM SOP Vol. 1 0.1 mg/L Membrane Electrode pH Glass Electrode ADEM SOP Vol. 1 0.1 su Specific Conductance Wheatstone Bridge ADEM SOP Vol. 1 10 µmhos/cm @ 25 o C Turbidity Nephelometer APHA et al. 1998 0.1 NTU Stream Flow Modified Cross Sectional ADEM SOP Vol. 1 0.1 cfs 5-day Biochemical Oxygen Demand EPA 405.1 EPA/600/4-79/020 0.1 mg/L (BOD-5) Carbonaceous 5-day Biochemical Oxygen Demand (CBOD-5) Alkalinity (Alk) EPA 310.1 EPA/600/4-79/020 1 mg/L Aluminum, Total Recoverable (Al) EPA 200.7 EPA/600/R-94/111 0.2 mg/L Ammonia-nitrogen (NH 3 -N) EPA 350.1 EPA/600/R-93/100 0.015 mg/L Arsenic, Total Recoverable (As) EPA 206.2 EPA/600/4-79/020 10 ug/L Cadmium, Total Recoverable (Cd) EPA 200.7 EPA/600/R-94/111 0.003 mg/L Carbonaceous BOD-5 (CBOD-5) EPA 405.1 EPA/600/4-79/020 0.1 mg/L Chloride (Cl) EPA 300.A EPA/600/R-93/100 0.5 mg/L EPA 325.1 EPA/600/4-79/020 Chlorophyll a (Chlor a) SM 10200H APHA et al. 1992 0.1 mg/m 3 Chromium, Total Recoverable (Cr-T) EPA 200.7 EPA/600/R-94/111 0.015 mg/L Copper, Total Recoverable (Cu) EPA 200.7 EPA/600/R-94/111 0.02 mg/L Fecal Coliform Membrane Filter ADEM SOP Vol. 6 --- Hardness EPA 130.2 / SM2340B EPA/600/4-79/020 1 mg/L Hexavalent Chromium (Cr +6 ) SM 3500CrB APHA et al. 1998 0.02 mg/L Iron, Total Recoverable (Fe) EPA 200.7 EPA/600/R-94/111 0.02 mg/L Lead, Total Recoverable (Pb) EPA 239.2 EPA/600/4-79/020 2 ug/L Magnesium, Total Recoverable (Mg) EPA 200.7 EPA/600/R-94/111 0.05 mg/L EPA 242.1 EPA/600/4-79/020 Manganese, Total Recoverable (Mn) EPA 200.7 EPA/600/R-94/111 0.02 mg/L Mercury, Total REcoverable (Hg) EPA 245.2 EPA/600/4-79/020 0.3 ug/L EPA 245.5 EPA/600/4-91/010 Nickel, Total Recoverable (Ni) EPA 200.7 EPA/600/R-94/111 0.03 mg/L Nitrate/nitrite-nitrogen (NO 3 +NO 2 -N) EPA 353.2 EPA/600/R-93/100 0.003 mg/L Organochlorine Pesticides SW 8081A EPA 1994 --- Organophosphorus Pesticides SW 8141 EPA 1994 --- Ortho-Phosphorus (Ortho-P) EPA 365.3 EPA/600/4-79/020 0.004 mg/L Selenium, Total (Se) EPA 270.2 EPA/600/4-79/020 10 ug/L Silver, Total (Ag) EPA 200.7 EPA/600/R-94/111 0.01 mg/L Total Dissolved Solids (TDS) EPA 160.1 EPA/600/4-79/020 1 mg/L Total Kjeldahl Nitrogen (TKN) EPA 351.2 EPA/600/R-93/100 0.15 mg/L Total Organic Carbon (TOC) EPA 415.2 0.5 mg/L Total Organic Nitrogen (TON) TKN+NH 3 EPA 1994 Calculated value Total Phosphorus (Total P) EPA 365.4 EPA/600/4-79/020 0.004 mg/L Total Suspended Solids (TSS) EPA 160.2 EPA/600/4-79/020 1 mg/L Zinc, Total Recoverable (Zn) EPA 200.7 EPA/600/R-94/111 0.03 mg/L Zinc, Dissolved (Dis-Zn) EPA 289.2 EPA/600/4-79/020 0.03 mg/L 24
Summary: BWC River Basins Summary: Black Warrior and Cahaba River Basins Landuse: Estimates of percent land cover for each CU are presented in Table 1. Percent forest ranged from 55% in the Locust Fork CU to 70% in the Sipsey Fork CU. Percent land cover as row crop, pasture, and mining ranged from 12% in the Upper Black Warrior River to 34% in the Lower Black Warrior River. Percent urban area was highest in the Locust Fork, Upper Black Warrior River, and the Cahaba River CUs. CWA §303(d)/TDML Status: Ninety-six pollutants in 42 stream and reservoir segments were listed as causing impairment in the BWC Basin Group (Fig. 3). TMDL’s have been approved for 21 pollutants, including pathogens (9), organic enrichment/dissolved oxygen (8), and ammonia (4) (Appendix C-1). Seventy-five pollutants are currently listed on Alabama’s 2002 §303(d) list of impaired waters (Appendix C-2). Siltation (19) accounted for 25% of the listed pollutants. Twenty-five percent of the listed pollutants were nutrients (10), organic enrichment/dissolved oxygen (7), and ammonia (2). Metals (7), pH (5), and turbidity (2) composed 19% of the listed pollutants. Other habitat alteration indicates nonattainment of a designated use due to degraded habitat quality for aquatic flora or fauna. Other habitat alteration (14) and biology (1) accounted for 20% of the listed causes of impairment. Nonpoint source (NPS) impairment potential: The potential for NPS impairment was estimated for each sub-watershed in the BWC Basin Group using data compiled by the local Soil and Water Conservation Districts (SWCD) (1998) and information on the number of current construction stormwater authorizations (Tables 2 and 3). Table 1. Estimates of percent land cover within the Cahaba and Black Warrior River Basins (ASWCC 1998). Cataloging Unit Forest Row crop Pasture Mining Urban Open Water Other Cahaba River 65% 3% 13% 1% 15% 1% 2% Mulberry Fork 63% 3% 19% 6% 3% 1% 4% Sipsey Fork 70% 1% 19% 2% 1% 3% 2% Locust Fork 55% 8% 15% 3% 13% 1% 4% Upper Black Warrior River Lower Black Warrior River 69% 2% 4% 6% 13% 1% 5% 56% 7% 27% 0% 8% 1% 2% Based on this information, 32 of 96 (33%) sub-watersheds were at risk to rural NPS impairment in the BWC Basin Group (Fig. 4). Thirteen (65%) of the sub-watersheds located within the Mulberry Fork of the Black Warrior River had a moderate or high potential for NPS impairment. Forestry (Fig. 5), sedimentation (Fig. 6), animal husbandry (Fig. 7), runoff from pasture (Fig. 8) and croplands (Fig. 9), and mining (Fig. 10) were all concerns within the CU. The primary NPS concerns within the Locust Fork CU were runoff from pasture and crop lands, forestry, sedimentation, animal husbandry, and mining. 25
Page 1 and 2: SURFACE WATER QUALITY SCREENING ASS
Page 3 and 4: Table of Contents TABLE OF CONTENTS
Page 5 and 6: List of Figures LIST OF FIGURES 1 C
Page 7 and 8: List of Abbreviations LIST OF ABBRE
Page 9 and 10: Introduction INTRODUCTION Backgroun
Page 11 and 12: Introduction document includes a de
Page 13 and 14: Introduction Table 1, cont. List of
Page 15 and 16: Methodology Table 7. Sub-watersheds
Page 17 and 18: Methodology Fig. 1. Cataloging unit
Page 19 and 20: Methodology Fig. 2. Level IV Ecoreg
Page 21 and 22: Methodology The southern section of
Page 23 and 24: Methodology The Southern Table Plat
Page 25 and 26: Methodology Table 8. Current conver
Page 27 and 28: Methodology SITE SELECTION Alabama
Page 29 and 30: Methodology Process samples in the
Page 31: Methodology Water quality samples a
Page 35 and 36: Summary: BWC River Basins Fig. 3. C
Page 37 and 38: Summary: BWC River Basins Fig. 4. E
Page 49 and 50: Summary: BWC River Basins Fig. 10.
Page 57 and 58: Summary: BWC River Basins Results o
Page 59 and 60: Summary: BWC River Basins Impaired
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Page 63 and 64: Summary: BWC River Basins Table 5,
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Page 67 and 68: Cahaba River (0315-0202) Cahaba Riv
Page 69 and 70: Cahaba River (0315-0202) Types of a
Page 71 and 72: Cahaba River (0315-0202) Fig. 15. I
Page 73 and 74: Cahaba River (0315-0202) Sub-Waters
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Page 81 and 82: Cahaba River (0315-0202) Assessment
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Mulberry Fork (0316-0109) Program (
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Mulberry Fork (0316-0109) Fig. 16.
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Mulberry Fork (0316-0109) List of i
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Mulberry Fork (0316-0109) Assessmen
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Mulberry Fork (0316-0109) greater t
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Mulberry Fork (0316-0109) Eightmile
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Mulberry Fork (0316-0109) Broglen R
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Mulberry Fork (0316-0109) Sub-Water
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Mulberry Fork (0316-0109) Bunkum Cr
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Mulberry Fork (0316-0110) Sipsey Fo
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Mulberry Fork (0316-0110) waters. A
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Sipsey Fork (0316-0110) Fig. 17. 20
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Sipsey Fork (0316-0110) Sub-Watersh
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Sipsey Fork (0316-0110) and GSA (Ap
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Sipsey Fork (0316-0110) Assessment
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Sipsey Fork (0316-0110) unstable ba
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Sipsey Fork (0316-0110) conditions
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Locust Fork (0316-0111) Historical
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Locust Fork (0316-0111) Fig. 18. 20
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Locust Fork (0316-0111) Upper Locus
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Locust Fork (0316-0111) ADEM 1999a)
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Locust Fork (0316-0111) and fair/po
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Locust Fork (0316-0111) bottom subs
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Locust Fork (0316-0111) Assessment
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Locust Fork (0316-0111) oxygen. ADE
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Locust Fork (0316-0111) Longs Branc
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Upper Black Warrior River (0316-011
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Lower Black Warrior River (0316-011
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References ACES. 1997. Soil areas o
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References ADEM. 2002b. Nonpoint so
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References APHA, AWWA, and WEF. 199
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References Omernik, J.M. 1996. Leve
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APPENDICES
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Appendix A, cont. Land use percenta
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Appendix B--Page 1 of 3 Appendix B.
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Appendix B--Page 3 of 3 Appendix B,
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Appendix C-2. List of waterbodies w
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Appendix C-2, cont. List of waterbo
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Appendix D, cont. Estimates of (H)i
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Appendix D cont. Estimates of (H)ig
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Appendix E. Stations assessed in th
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Appendix F--Page 2 of 2 Appendix F,
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Appendix G, cont. Summary of assess
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Appendix H, cont. Estimates of anim
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Appendix I. Sedimentation estimates
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Appendix I, cont. Sedimentation est
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Appendix J, cont. Physical characte
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Appendix K. Bioassessment results f
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Appendix L-2. ADEM Glide/Pool habit
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ADEM — FIELD OPERATIONS DIVISION
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Appendix M--Page 2 of 3 Appendix M.
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Appendix N. Concentration of metals
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Appendix O-1. Physical characterist
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Appendix O-3. Physical/chemical dat
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Appendix O-3--Page 3 of 4 Appendix
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Appendix P. §303(d) Waterbody Moni
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Appendix P-1. Physical characterist
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Appendix P-2. Bioassessment results
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Appendix P-3. Physical/chemical dat
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Appendix Q. Periphyton Bioassessmen
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Appendix Q--Page 2 of 2 Appendix Q.
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Appendix R--Page 1 of 5 Appendix R.
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Appendix S--Page 1 of 9 Appendix S.
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Appendix S. Physical/chemical data
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Appendix T-1. Results of habitat as
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Appendix T-1. Results of habitat as
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Appendix T-2--Page 1 of 1 Appendix
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