The Determination of Minimum Flows for Sulphur Springs, Tampa

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-4 -3 -2 DRAFT A bathymetric map of Sulphur Springs Run is shown in Figure 2-7. Water levels in the spring run fluctuate with tide, and the depths that are shown correspond to NGVD 1929, which what is about 0.7 ft. below a mean tide level in the spring run. Most of the spring run is less than two ft. deep at mean tide. Shallow zones are widespread along much of the shoreline, with deep areas restricted to near the mouth of the spring run and in the plunge pool just below the discharge point from the spring outlet structure. -0.5 -1.5 -0.5 -1 -1 0 -0.5 0 -0.5 -1 -0.5 0 -0.5 -2.5 0 -1.5 -1.5 -1.5 -1 -2 -2.5 -0.5 0 -0.5 -1 -1.5 -0.5 -1 -1 -0.5 Map prepared May 6, 2003 using 1999 USGS digital orthophotography and spot elevation data collected on October 17, 2001 and March 23, 2003 by SWFWMD staff. 0 25 50 100 Feet Figure 2-7. Bathymetric map of Sulphur Springs Run. Yellow lines are one-half foot contours relative to NGVD, 1929. ¯ The surface area and volume of the spring run are plotted as a function of elevation in Figure 2-8. This graphic can be used to evaluate how the area and volume of the run change as water levels in the run rise and fall. The surface area of the spring run when water levels are greater than about 0.7 feet NGVD is 3.1 hectares (0.75 acres). Surface area shows no increase at higher elevations, as water levels rise up the retaining wall around the run with no increase in surface area. The water volume of the spring run continues to increase with rising water levels. High tide water levels typically range between 1.0 and 3.0 ft. NGVD in the run. The volume of water in the run corresponding to this range of levels is about 1,500 to 3,800 cubic meters (m 3 ), equal to about 53,000 to 134,000 cubic feet (ft. 3 ). 2 - 7
DRAFT -5 -4 -3 -2 -1 0 1 2 3 0.4 4 Hectares Cubic Meters * 1,000 0.3 3 Area (hectares) 0.2 2 Volume (M 3 * 1,000) 0.1 1 0 SSRun_StgArea.grf -5 -4 -3 -2 -1 0 1 2 3 Water Level (Ft., NGVD 1929) 0 Figure 2-8. Surface area and volume of Sulphur Springs Run as a function of water level in the spring run. 2.3 Water Supply Use of Sulphur Springs In describing the hydrologic characteristics of Sulphur Springs, it is first helpful to understand how the spring is used for water supply. Since 1965, the City of Tampa has periodically diverted water from Sulphur Springs to the City's reservoir to augment water supplies. Waters are diverted from the spring pool through an intake pipe to a pump house that encloses a centrifugal pump that runs at a constant rate of 30.5 cubic ft per second (cfs) or 19.7 million gallons per day (mgd) when in operation. An underground pipe extends approximately two miles from this pump house to the western shore of the reservoir just upstream of the dam. The City's withdrawal rate of 19.7 mgd is rounded to a value of 20 mgd (31 cfs) for further discussion in this report. 2 - 8
Page 1 and 2: The Determination of Minimum Flows
Page 4 and 5: DRAFT TABLE OF CONTENTS List of Tab
Page 6: 4.5 Goal 1 - Minimize the incursion
Page 10 and 11: DRAFT LIST OF FIGURES Chapter 2 - P
Page 12 and 13: Fig. 3-13 Fig. 3-14 Fig. 3-15 Fig.
Page 14 and 15: 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: 2 - 6 DRAFT
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 and 66: DRAFT These plots indicate that his
Page 67 and 68: DRAFT CHAPTER 3 ECOLOGICAL RESOURCE
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
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DRAFT increased with a return to no
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DRAFT 2000. The results from three
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DRAFT species (10 to 13) were colle
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DRAFT 1940 1950 1960 1970 1980 1990
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DRAFT . 1000.00 100.00 10.00 1.00 0
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DRAFT 3.9.2 The effects of flows fr
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DRAFT Data from the Tampa Bay Water
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DRAFT EPCHC Period of Record Data L
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DRAFT 35 30 1996 1997 1998 1999 200
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7 DRAFT Elevation (m) 1 0 -1 -2 -3
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8 24 25 29 DRAFT Figure 3-20, 3-21
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DRAFT Figure 3-22 HBMP & EPCHC 2000
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DRAFT of the river between the dam
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DRAFT 10 11 12 13 14 15 16 17 10 11
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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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Page 207 and 208:
Page 209:
Page 213 and 214:
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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