The Determination of Minimum Flows for Sulphur Springs, Tampa

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DRAFT Table 2-4. Results of Kruskal-Wallis test of differences between pre-1997 and recent concentrations reported by the City of Tampa for the period 1991-2002. Plus or minus sign indicates the concentration being higher (+) or lower (-) in the more recent period. Parameter +/- Probability Parameter +/- Probability Ammonia- N +
DRAFT CHAPTER 3 ECOLOGICAL RESOURCES OF SULPHUR SPRINGS AND THE LOWER HILLSBOROUGH RIVER 3.1 Introduction Sulphur Springs functions ecologically as a distinct spring run and as an important component of the Lower Hillsborough River system. The plants and animals that inhabit the spring run and the nearby areas of the river are closely related to the flow and water quality of the spring discharge. In that regard, the hydrologic and water quality characteristics of the spring run are described first below, followed by a discussion of the ecological characteristics of the spring run and how the spring influences the water quality and ecology of the Lower Hillsborough River. 3.2 Salinity and water level records in the spring and river system Historical physical and water quality data for the spring run are scarce. Data collected over the last several years, however, demonstrate how water levels, salinity, and water temperatures in the spring run respond to changes in flow from the spring pool. As part of these studies, a series of continuous recorders were installed by the USGS in the spring and lower river system in the late 1990s. Two recorders that measure temperature and specific conductance every fifteen minutes were installed in the upper spring run and at the spring mouth in May 1999. The recorder in the upper run, which also measures water levels, is located on the channel bottom near the south shore of the run about 100 ft (30 m) upstream of the weir (Figures 2-4 and 2-5.D). The other recorder is located on the channel bottom at the footbridge at the mouth of the run. Specific conductance data from these recorders can be used to calculate approximate salinity values, although actual salinity will be dependent on the ionic composition of the water. For better comparison to the lower river, calculated salinity values in the spring run are discussed below rather than specific conductance. Recorders were also installed by the USGS at five locations in the Lower Hillsborough River: at the bridge at Rowlett Park Drive (km 15.6); near Hanna's Whirl (km 14.5); Nebraska Avenue (km 13.0); Interstate 275 (km 12.6); and at the mouth of the river at Platt St (Figure 2.1). The recorder with the longest period of record is at Rowlett Park Drive, where the current series of records began in 1996. Data collection at the remaining sites began between 1999 and 2002. Water level, salinity (calculated from specific conductance) and water temperature data from these recorders are discussed in various sections of this report. 3 - 1
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The Determination of Minimum Flows
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DRAFT TABLE OF CONTENTS List of Tab
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4.5 Goal 1 - Minimize the incursion
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DRAFT LIST OF FIGURES Chapter 2 - P
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Fig. 3-13 Fig. 3-14 Fig. 3-15 Fig.
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Fig. 5-7 Fig. 5-8 Fig. 5-9 Fig. 5-1
Page 16 and 17: Acronyms and Definitions DRAFT AMO
Page 18 and 19: DRAFT Executive Summary The Southwe
Page 20: DRAFT below 19 feet NGVD of 1929. T
Page 24 and 25: CHAPTER 1 PURPOSE AND BACKGROUND OF
Page 26 and 27: DRAFT water, or aquifer, provided t
Page 28: DRAFT one the indicators were the f
Page 31 and 32: DRAFT The spring and its run lie in
Page 33 and 34: DRAFT Figure 2-3. Recent photograph
Page 35 and 36: 2 - 6 DRAFT
Page 37 and 38: DRAFT -5 -4 -3 -2 -1 0 1 2 3 0.4 4
Page 39 and 40: DRAFT 10.0 Yrly_Pumpage.grf 15 Annu
Page 41 and 42: DRAFT 1999 2000 2001 2002 2003 35 D
Page 43 and 44: DRAFT Figure 2-14. Return flow stru
Page 45 and 46: DRAFT 40 Jan. Feb. Mar. Apr. May Ju
Page 47 and 48: DRAFT due to withdrawals for public
Page 49 and 50: DRAFT Figure 2-19 . Temporal trend
Page 51 and 52: DRAFT Figure 2-20. Temporal trends
Page 53: DRAFT In comparison to specific con
Page 57 and 58: DRAFT average daily withdrawals for
Page 59 and 60: DRAFT Figure 2-25. Average specific
Page 61 and 62: DRAFT withdrawal rate of 31 cfs dur
Page 63 and 64: DRAFT Table 2-2. Sulphur Springs su
Page 65: DRAFT These plots indicate that his
Page 69 and 70: DRAFT 3 Run_Riv_Stg.grf Water Surfa
Page 71 and 72: DRAFT 3.4 Salinity in the spring ru
Page 73 and 74: DRAFT 1999 2000 2001 2002 2003 2004
Page 75 and 76: DRAFT pumping events resulted in sa
Page 77 and 78: DRAFT As discussed in Section 2.5.3
Page 79 and 80: DRAFT tolerate and are frequently f
Page 81 and 82: DRAFT Appendix B are color coded to
Page 83 and 84: DRAFT habitat in the lower river pr
Page 85 and 86: DRAFT The FWC using a modified stra
Page 87 and 88: DRAFT increased with a return to no
Page 89 and 90: DRAFT 2000. The results from three
Page 91 and 92: DRAFT species (10 to 13) were colle
Page 93 and 94: DRAFT 1940 1950 1960 1970 1980 1990
Page 95 and 96: DRAFT . 1000.00 100.00 10.00 1.00 0
Page 97 and 98: DRAFT 3.9.2 The effects of flows fr
Page 99 and 100: DRAFT Data from the Tampa Bay Water
Page 101 and 102: DRAFT EPCHC Period of Record Data L
Page 103 and 104: DRAFT 35 30 1996 1997 1998 1999 200
Page 105 and 106: 7 DRAFT Elevation (m) 1 0 -1 -2 -3
Page 107 and 108: 8 24 25 29 DRAFT Figure 3-20, 3-21
Page 109 and 110: DRAFT Figure 3-22 HBMP & EPCHC 2000
Page 111 and 112: DRAFT of the river between the dam
Page 113 and 114: DRAFT 10 11 12 13 14 15 16 17 10 11
Page 115 and 116: DRAFT The HBMP project (PBSJ 2003)
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DRAFT xanthurus) red drum (Sciaenop
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DRAFT as manatees seek fresh water
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1999 2000 2001 2002 DRAFT 35 TmpSS_
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DRAFT Platt Street 1974-2002 Columb
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DRAFT Median and minimum water temp
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DRAFT Figure 3-31 1999 2000 2001 20
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DRAFT Figure 3-33 2001 2002 2003 20
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DRAFT CHAPTER 4 TECHNICAL APPROACH
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DRAFT The sum of these consideratio
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DRAFT It is the conclusion of this
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DRAFT criteria. The
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DRAFT reach of the river 50 meters
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DRAFT of the dam. The experiments w
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DRAFT Salinity incursions above the
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DRAFT Figure 5-3. A - D. Box and wh
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DRAFT The results of the vertical p
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DRAFT Sulphur Springs < 33 cfs, Hil
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DRAFT Other breakpoints in the data
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DRAFT 40 Percent of Observations -
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DRAFT It is possible that infrequen
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DRAFT The effects of tide stage on
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DRAFT medians rise to near -0.2 fee
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DRAFT Sulphur Springs < 33 cfs, Hil
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DRAFT Sulphur Springs on salinity d
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7 29 DRAFT Elevation (m) 0/0cfs 1 0
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23 24 24 25 25 29 DRAFT Figures 14,
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DRAFT Viewed strictly from the infl
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DRAFT water removed would fluctuate
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DRAFT euryhaline, there were also m
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DRAFT 01/90 01/93 01/96 01/99 01/02
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DRAFT the intent of that condition
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DRAFT included inflows to the model
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DRAFT Flows for Sulphur Springs wer
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DRAFT ∆T represents the differenc
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DRAFT Figure 25 Temp (C) 22 Histori
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DRAFT Figure 26 Temp (C) 24 22 Hist
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DRAFT Similar to the coldest period
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DRAFT 5.7. Consideration of future
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DRAFT Culter, J. 1986. Benthic Inve
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DRAFT Shafland, P. L. and K. J. Foo
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APPENDIX A (from Chapter 2) Time se
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Sulphur Springs Water Quality 1991-
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Appendix B. Presence of macroinvert
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Appendix C. Percent composition of
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Appendix C. Percent composition of
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APPENDIX D (from Chapter 3) Percent
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APPENDIX D. Percent composition of
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APPENDIX D. Percent composition of
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APPENDIX E (from Chapter 3) Abundan
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BARE SAND FILAMENTOUS ALGAE COMBINE
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APPENDIX F - HILLSBOROUGH RIVER TEM
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Appendix G Daily values for mean, m
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APPENDIX H (from Chapter 5) Time se
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Experiment Number 6
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Appendix I Daily values for minimum
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28FEB2000 9.8 0.0 1.9 9.7 7.8 . 18.
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12FEB2001 14.0 3.5 1.7 4.6 2.9 1.1
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The Determination of Minimum Flows for Sulphur Springs, Tampa

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