Warm Mineral Springs

part of the Myakka River Watershed

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Water Quality Data
Water Quality Associates

Water Quality

The water that discharges from springs provide a means of determining the quality of water in the aquifer as well as the degree of human impact in the springshed. A number of factors influence ground-water chemistry. These include the precipitation chemistry, surface conditions at the site of recharge, soil type in the recharge area, mineralogy and composition of the aquifer system, nature of aquifer system porosity and structure, flow path in the aquifer, residence time of the water in the aquifer, mixing of other waters in the aquifer system, and aquifer microbiology.¹

[1] For more information on what the parameters mean see the section on Physical Field Parameters in the Water Quality section of the Springs of Florida, Florida Geological Survey Bulletin 66.

Water Quality Data

Explore general as well as scientific information about the movement, chemistry and biology of area surface water environments.

Parameter	Latest Value	Historical Range	Additional Information
Alkalinity, Total (total hydroxide+carbonate+bicarbonate)	0.59 mg/l CaCO3 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	0.59 - 128 mg/l CaCO3 09/14/2011 - 09/14/2011 2 samples	Analyze This
Apparent Color	7.5 PCU 12/08/2020 10:37 AM Source: SARASOTA_COASTALCREEK_WQ	2 - 150 PCU 11/26/2007 - 12/08/2020 209 samples	Analyze This
BOD, Biochemical oxygen demand	1 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.5 - 1.47 mg/l 11/26/2007 - 12/11/2024 239 samples	Analyze This
Calcium	501 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	501 - 501 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Chloride	11027 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	11027 - 11027 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Chlorophyll a, corrected for pheophytin	1.94 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.16 - 11.5 ug/l 11/26/2007 - 12/11/2024 221 samples	Analyze This
Chlorophyll a, uncorrected for pheophytin	0.25 ug/l 12/11/2018 09:21 AM Source: SARASOTA_COASTALCREEK_WQ	0.16 - 4.68 ug/l 02/18/2016 - 12/11/2018 35 samples	Analyze This
Color	5 PCU 01/31/1985 12:00 AM Source: USGS_NWIS	5 - 10 PCU 02/22/1962 - 01/31/1985 5 samples	Analyze This
Dissolved oxygen (DO)	0.37 mg/l 07/19/2010 12:00 AM Source: STORET_21FLSWFD	0.37 - 0.45 mg/l 08/11/2009 - 07/19/2010 2 samples	Analyze This
Dissolved oxygen saturation	13 percent (%) 04/24/1972 12:00 AM Source: USGS_NWIS	13 - 13 percent (%) 04/24/1972 - 04/24/1972 1 samples	Analyze This
Elevation, water surface	9.4 ft 02/22/1962 12:00 AM Source: USGS_NWIS	9.4 - 9.4 ft 02/22/1962 - 02/22/1962 1 samples	Analyze This
Elevation, water surface (NAVD88)	— ft 07/10/2022 12:00 AM Source:	1.47 - 2.1 ft 12/09/2017 - 07/10/2022 1656 samples	Analyze This
Elevation, water surface (NGVD29)	3.04 ft 03/31/2025 12:00 AM Source: USGS_NWIS	2.54 - 4.14 ft 12/09/2017 - 03/31/2025 2523 samples	Analyze This
Enterococcus Group Bacteria	1 cfu/100ml 03/04/2003 12:00 AM Source: STORET_21FLGW	1 - 1 cfu/100ml 03/04/2003 - 03/04/2003 1 samples	Analyze This
Fecal Coliform	1 cfu/100ml 03/04/2003 12:00 AM Source: STORET_21FLGW	1 - 1 cfu/100ml 03/04/2003 - 03/04/2003 1 samples	Analyze This
Hardness, Ca + Mg	3656 mg/l CaCO3 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	3656 - 3656 mg/l CaCO3 09/14/2011 - 09/14/2011 1 samples	Analyze This
Magnesium	584 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	584 - 584 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Nitrogen	2.31 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.19 - 2.9 mg/l 11/26/2007 - 12/11/2024 240 samples	Analyze This
Nitrogen	2306 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	187 - 2896 ug/l 11/26/2007 - 12/11/2024 245 samples	Analyze This
Nitrogen, ammonia as N	0.93 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0 - 1.46 mg/l 11/26/2007 - 12/11/2024 215 samples	Analyze This
Nitrogen, ammonia as N	925 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.1 - 1460 ug/l 11/26/2007 - 12/11/2024 262 samples	Analyze This
Nitrogen, Kjeldahl	2.29 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.18 - 2.89 mg/l 11/26/2007 - 12/11/2024 195 samples	Analyze This
Nitrogen, Kjeldahl	2290 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	183 - 2890 ug/l 11/26/2007 - 12/11/2024 249 samples	Analyze This
Nitrogen, Nitrate (NO₃) as N	0.02 mg/l 01/31/1985 12:00 AM Source: USGS_NWIS	0 - 15 mg/l 02/22/1962 - 01/31/1985 9 samples	Analyze This
Nitrogen, Nitrate (NO₃) as N	20 ug/l 01/31/1985 12:00 AM Source: USGS_NWIS	0 - 15000 ug/l 02/22/1962 - 01/31/1985 9 samples	Analyze This
Nitrogen, Nitrite (NO₂) + Nitrate (NO₃) as N	0.02 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0 - 0.34 mg/l 11/26/2007 - 12/11/2024 186 samples	Analyze This
Nitrogen, Nitrite (NO₂) + Nitrate (NO₃) as N	16 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	4 - 337 ug/l 11/26/2007 - 12/11/2024 233 samples	Analyze This
pH	7.04 07/19/2010 12:00 AM Source: STORET_21FLSWFD	6.9 - 7.04 08/11/2009 - 07/19/2010 2 samples	Analyze This
Phosphorus as P	0.1 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0 - 0.83 mg/l 11/26/2007 - 12/11/2024 201 samples	Analyze This
Phosphorus as P	100 ug/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	2 - 826 ug/l 11/26/2007 - 12/11/2024 247 samples	Analyze This
Phosphorus, phosphate (PO4) as P	0 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0 - 0.29 mg/l 11/26/2007 - 12/11/2024 244 samples	Analyze This
Potassium	217 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	217 - 217 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Salinity	18.1 ppt 12/11/2018 09:21 AM Source: SARASOTA_COASTALCREEK_WQ	0.42 - 20.4 ppt 11/26/2007 - 12/11/2018 131 samples	Analyze This
Secchi disk depth	0.4 ft 11/13/2018 09:21 AM Source: SARASOTA_COASTALCREEK_WQ	0.1 ft - 8.2 ft 02/18/2016 - 11/13/2018 60 samples	Analyze This
Sodium	5748 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	5748 - 5748 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Specific conductance	29800 umho 03/31/2025 12:00 AM Source: USGS_NWIS	463 - 33800 umho 02/22/1962 - 03/31/2025 2549 samples	Analyze This
Sulfur, sulfate (SO4) as SO4	1702 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	1702 - 1702 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Temperature, water	85.64 °F 03/31/2025 12:00 AM Source: USGS_NWIS	73.4 - 87.8 °F 04/24/1956 - 03/31/2025 2565 samples	Analyze This
Total Coliform	2 cfu/100ml 05/22/1985 12:00 AM Source: USGS_NWIS	2 - 56 cfu/100ml 05/22/1985 - 05/22/1985 3 samples	Analyze This
Total Organic Carbon (TOC)	2.28 mg/l 09/14/2011 12:00 AM Source: SARASOTA_COASTALCREEK_WQ	2.28 - 2.28 mg/l 09/14/2011 - 09/14/2011 1 samples	Analyze This
Total Suspended Solids (TSS)	15.4 mg/l 12/11/2024 09:12 AM Source: SARASOTA_COASTALCREEK_WQ	0.57 - 44 mg/l 11/26/2007 - 12/11/2024 247 samples	Analyze This
Turbidity	0.46 NTU 10/10/2017 09:19 AM Source: SARASOTA_COASTALCREEK_WQ	0.4 - 3.2 NTU 11/26/2007 - 10/10/2017 154 samples	Analyze This

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Water Quality Associates

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