Peace and Myakka River Water Quality Summary 2002 - Southwest ...

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Water Quality Conditionsand Pollutant Loads and Yieldsin the Peace and Myakka River BasinsPrepared for thePeace River/Manasota Regional Water Supply Authorityand theSouthwest Florida Water Management DistrictPrepared by:Charlotte HarborEnvironmental Center, Inc.10941 Burnt Store RoadPunta Gorda, FloridaOctober 2002
CONTENTSExecutive Summary ...........................................................................................................iiAcknowledgments............................................................................................................xiiList of Figures ................................................................................................................ xiiiList of Tables ................................................................................................................xiv1.0 Introduction1.1 Background ..................................................................................................... 11.2 Water quality management issues .................................................................. 21.3 Report objectives and structure....................................................................... 32.0 Water Quality at Non-Tidal Stations2.1 Methods........................................................................................................... 42.2 Rainfall and streamflow ................................................................................... 82.3 Constituent concentrations and WQI values ................................................. 102.4 Exceedances of State Water Quality Standards ............................................ 113.0 Constituent Loads and Yields3.1 Annual loads................................................................................................... 233.2 Annual yields .................................................................................................. 323.3 Annual flow-adjusted loads............................................................................. 424.0 Water Quality at Tidal Stations4.1 Physical parameters ....................................................................................... 524.2 Macronutrients – dissolved inorganic N and P ............................................... 554.3 Chlorophyll-a .................................................................................................. 565.0 References............................................................................................................... 57AppendicesAppendix A. Constituent concentration summaries, non-tidal stationsAppendix B. Constituent concentration summaries, tidal stationsi
Page 1: Peace and Myakka RiverWater Quality
Page 5 and 6: REPORT ORGANIZATION AND SCOPEThe pr
Page 7 and 8: “Good” water quality conditions
Page 9 and 10: The primary manmade influences incl
Page 11 and 12: Yields of total suspended solids (T
Page 13 and 14: are transported from fresh to more
Page 15 and 16: LIST OF FIGURESFigure 1. Map showin
Page 17 and 18: 1.0 INTRODUCTION1.1 BACKGROUNDDurin
Page 19 and 20: maintaining water quality at levels
Page 21 and 22: on the initial day of field work; t
Page 23 and 24: Figure 1. Locations of USGS gaging
Page 25 and 26: ANNUAL RAINFALLANNUAL STREAMFLOW% O
Page 27 and 28: For this study, annual average WQI
Page 29 and 30: • Big Slough Canal near Myakka Ci
Page 31 and 32: Table 2. Annual WQI values for non-
Page 33 and 34: Peace River at Zolfo Springs (USGS
Page 35 and 36: Horse Creek near Myakka Head (USGS
Page 37 and 38: Myakka River near Sarasota (USGS ga
Page 39 and 40: 3.0 CONSTITUENT LOADS AND YIELDSEst
Page 41 and 42: Table 3. Estimated annual TN loads
Page 43 and 44: Table 5. Estimated annual NO 2+3 -N
Page 45 and 46: Table 7. Estimated annual TP loads
Page 47 and 48: Table 9. Estimated annual TSS loads
Page 49 and 50: Myakka City gaging station (in wate
Page 51 and 52: PEA CE CREEK CANAL nr WAHNETASADDLE
Page 53 and 54:
PEACE CREEK CANAL nr WAHNETASADDLE
Page 55 and 56:
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Page 59 and 60:
Page 61 and 62:
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Page 67 and 68:
###TidalMyakkaRiverTidalPeaceRiverS
Page 69 and 70:
Median color values for Florida riv
Page 71 and 72:
ecorded at least once during most y
Page 73 and 74:
5.0 REFERENCESCanfield, D., and M.
Page 75 and 76:
Water Quality Conditionsand Polluta
Page 77 and 78:
TURBIDITY (NTU), BY STATION AND WAT
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TURBIDITY, BY STATION AND WATER YEA
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TSS, BY STATION AND WATER YEARGAGE_
Page 83 and 84:
COLOR (PCU), BY STATION AND WATERGA
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COLOR, BY STATION AND WATER YEARGAG
Page 87 and 88:
pH, BY STATION AND WATER YEARGAGE_N
Page 89 and 90:
SPEC. COND. (uS/CM), BY STATION AND
Page 91 and 92:
SPEC. COND., BY STATION AND WATER Y
Page 93 and 94:
DO, BY STATION AND WATER YEARGAGE_N
Page 95 and 96:
CHLA [MONOCHROMATIC, uG/L], BY STAT
Page 97 and 98:
CHLA [MONOCHROMATIC], BY STATION AN
Page 99 and 100:
NH4-N, BY STATION AND WATER YEARGAG
Page 101 and 102:
NO23-N (MG N/L), BY STATION AND WAT
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NO23-N, BY STATION AND WATER YEARGA
Page 105 and 106:
TKN, BY STATION AND WATER YEARGAGE_
Page 107 and 108:
PO4-P (MG P/L), BY STATION AND WATE
Page 109 and 110:
PO4-P, BY STATION AND WATER YEARGAG
Page 111 and 112:
TP, BY STATION AND WATER YEARGAGE_N
Page 113 and 114:
TOC (MG/L), BY STATION AND YEARGAGE
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TOC, BY STATION AND YEARGAGE_NUM WY
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Near-surface salinity (ppt)SITE WY
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Near-surface salinity (ppt)SITE WY
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Near-surface color (PCU)SITE WY N M
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Near-surface TSS (mg/L)SITE WY N Mi
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Near-surface TSS (mg/L)SITE WY N Mi
Page 127 and 128:
Near-surface turbidity (NTU)SITE WY
Page 129 and 130:
Secchi depth (m)SITE WY N Minimum 2
Page 131 and 132:
Secchi depth (m)SITE WY N Minimum 2
Page 133 and 134:
Near-surface pHSITE WY N Minimum 25
Page 135 and 136:
DO (mg/L) - all depthsSITE WY N Min
Page 137 and 138:
DO (mg/L) - all depthsSITE WY N Min
Page 139 and 140:
Near-surface PO 4 —P (mg P/L)SITE
Page 141 and 142:
Near-surface DIN (mg N/L)SITE WY N
Page 143 and 144:
Near-surface DIN (mg N/L)SITE WY N
Page 145 and 146:
Near-surface chlorophyll-a (µg/L)S
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