LEWIS SMITH LAKE - Auburn University

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highly positively correlated (p < 0.01) to instantaneous stream flow in all creeks, but was not significantly correlated (p = 0.58) at the tailwaters site. Total loading (point and nonpoint source) for TP, TN and TSS from the five tributary streams (stations 10-14) and the tailwaters (station 15) was estimated using FLUX for the period of I November, 1994 through 31 October, 1995 (Table 9-3). FLUX is an interactive data reduction program for estimating nutrient loading from grab sample nutrient concentration data, with associated instantaneous flow measurements, and continuous flow (mean daily discharge) data (Walker 1996). Continuous flow records were obtained from USGS for Sipsey Fork (station 13) and Clear Creek (station 14) and from the Alabama Power Company for the tailwaters (stations 15). Continuous flow was estimated for stations 10-14 as mentioned previously. Water quality data for stations 10-14 were from the 18 sampling dates from November 1994 through October 1995. Water quality data for station 15 were from 17 sampling dates December 1994 through October 1995, except TP which only had 16 sampling dates. Only one sample date was collected in December 1994. In the five tributary streams (stations 10-14) total loading ofTP, TN and TSS generally increased with increasing tributary discharge except for Sipsey Fork which had one of the highest discharge rates but the lowest loadings. Based on TSS loading, nonpoint source loading was evidently the predominant contributor, since the point source loading contributed less than I% at all stations. Total loading ofTP, TN and TSS from all five tributary streams (stations 10-14) into Lewis Smith Lake was 65 metric tons, 730 metric tons and 32,328 metric tons, respectively. Ofthese total amounts, the Sipsey Fork and Crooked Creek contributed the least (Figures 9-8 and 9-9). Sipsey Fork accounted for 10.5% of the TP, 6.4% of the TN and 11.7% ofthe TSS. Crooked Creek accounted for 10.3% of the TP, 15.1% of the TN and 4.4% of the TSS. Clear Creek contributed the major portions of the TSS load (57.9%). Rock and Clear Creeks contributed a significant portion ofthe TP loading 42
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LEWIS SMITH LAKE Phase I Diagnostic
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EXECUTIVE SUMMARY
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January 1986 (Bayne et al. 1987). T
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Total alkalinity, the concentration
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found at concentrations ranging fro
Page 16 and 17: etween 10 and 15 mgIL as CaCO, but
Page 19 and 20: Table 1-1. Table 1-2. Table 2-1. Ta
Page 21 and 22: List ofTables (Continued) Table 10-
Page 23 and 24: List ofTables (Continued) Table 10-
Page 25 and 26: LIST OF FIGURES Figure 8-I. Locatio
Page 27 and 28: PARTI. DIAGNOSTIC STIJDY 1
Page 29 and 30: Table I-I. Morphometric characteris
Page 31 and 32: 2.0 BASIN GEOLOGY AND DRAINAGE Smit
Page 33 and 34: Table 2-1 (Cont'd) Suitability/Limi
Page 35 and 36: 4.0 SIZE AND ECONOMIC STRUCTIJRE OF
Page 37 and 38: - U. II Table 4-2. Number ofbusines
Page 39 and 40: I, Table 4-4. Agricultural producti
Page 42 and 43: 7.0 LAKE USE COMPARISON WIlli NEARB
Page 44 and 45: 00 Table 8-1. Actual point source l
Page 46 and 47: N 0 Table 8-1 (Continued) Actual To
Page 48 and 49: N N Table 8-1 (Continued) Actual To
Page 50 and 51: Table 8-1 (Continued) Actual Total
Page 52 and 53: tv 0- Table 8-2 (Continued) Permitt
Page 54 and 55: Annual point source total suspended
Page 56 and 57: Table 9-1. Location oftributary sam
Page 58: nitrogen, nitrite-nitrogen, total a
Page 70 and 71: t 14 Clear 31% 13 Sipsey Fork 11% T
Page 72 and 73: 10.0 LEWIS SMITH LAKE LIMNOLOGY 10.
Page 75 and 76: acidification could harm lake biota
Page 77 and 78: were also examined during the 5 yea
Page 79 and 80: l.n W Table 10-2. Smith Lake sampli
Page 81 and 82: Table 10-3. Analytical methods used
Page 83 and 84: Table 10-4. Meteorological conditio
Page 86 and 87: Table 10-5. Temperature, dissolved
Page 88 and 89: Table 10-7. Mean (range) temperatur
Page 91: matter (plankton) produced in the e
Page 95 and 96: Table 10-9. Turbidity and total sus
Page 97 and 98: Table 10-11. Mean (range) turbidity
Page 99 and 100: Table 10-13. Secchi disk visibility
Page 101 and 102: Table 10-15. Mean (range) Secchi di
Page 103: Figure 10-6. Seasonal mean Secchi d
Page 106 and 107: Table 10-17. Total alkalinity, hard
Page 108 and 109: Table 10-19. Mean (range) pH, total
Page 110 and 111: ofmagnitude or more (Wetzel 1983).
Page 112 and 113: Table 10-22. Mean (range) ammonia,
Page 114 and 115: Table 10-24. Mean (range) ammonia,
Page 116 and 117: Table 10-25. Orthophosphate and tot
Page 118 and 119:
Table 10-26. Mean (range) orthophos
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Table 10-28. Mean (range) orthophos
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Table 10-29 . Summer mean total nit
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Table 10-32. Mean (range) chloride,
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poultry production and was Alabama'
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Table 10-34. Analytical methods use
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Table 10-35. Mean (range) phytoplan
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Table 10-37. Mean (range) phytoplan
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Fifty-four algal taxa were identifi
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Table 10-39. (Cont.) Division Algal
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Lakes with productivities ranging f
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Table 10-41. (Continued) mgCm-'hr'
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7 and 9 (Table 10-42). Frequently,
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Most of the particulate fraction is
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lake. Some fishermen are concerned
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Table 11-2. Number ofspecies collec
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Table 11-4. Ranking by quality indi
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Table 11-5 (Continued) Scientific N
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Table 11-6. Fish stockings in Lewis
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Table 11-7 (Continued) Family Scien
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Table 11-7 (Continued) family Scien
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Table 11-8. Rare and endangered spe
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PROBLEM: Cultural Eutrophication PR
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correlated with 7-day antecedent ra
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PROBLEM: Lake Acidification PRIMARY
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ENVIRONMENTAL EVALUATION The follow
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Literature Cited ADEM. 1990. Water
Page 192 and 193:
Hem, S.c., V.W. Lambou, L.R. Willia
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LEWIS SMITH LAKE - Auburn University

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