Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 7 0;"><SPAN>Chloride data used in the approximation of the 250 mg/L isochlors for the east coast and west coasts of Florida for surface water and the water table, surficial, Lower Tamiami, Sandstone, and Mid-Hawthorn aquifers. Well and chloride data were obtained from USGS and SFWMD records. The isochlor is based on the maximum chloride value for the period of March/April/May 2024. Chloride and well data from the SFWMD have been furnished by Permittees and have not been validated. Chloride and well data from the USGS are available via </SPAN><A href="http://waterdata.usgs.gov/nwis" STYLE="text-decoration:underline;"><SPAN><SPAN>http://waterdata.usgs.gov/nwis</SPAN></SPAN></A><SPAN><SPAN>and may also be available in the District’s DBHYDRO database </SPAN></SPAN><A href="https://my.sfwmd.gov/dbhydroplsql/show_dbkey_info.main_menu" STYLE="text-decoration:underline;"><SPAN><SPAN>https://my.sfwmd.gov/dbhydroplsql/show_dbkey_info.main_menu</SPAN></SPAN></A><SPAN>. </SPAN></P><P STYLE="margin:0 0 7 0;"><SPAN>The 250 mg/L isochlors for the east and west coasts are compiled in a separate line feature class called, "Merged Isochlor, 2024". </SPAN></P></DIV></DIV></DIV>
Service Item Id: 5542d520da3b48f8a66009c7f308f21e
Copyright Text: South Florida Water Management District (SFWMD); United States Geological Survey (USGS)
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN>This well feature class was compiled using information provided by USGS, et al. for mapping purposes to show the chloride concentrations used to create the 1,000-mg/L isochlor in Miami-Dade county, 2022. The attribute table includes a condensed version of the well summary information due to variations in the different sources and to support additional well data to be added for future isochlor updates. The original, complete source of the 2022 data is provided by USGS here: </SPAN><A href="https://www.usgs.gov:443/data/shapefile-and-summary-tables-approximate-inland-extent-saltwater-intrusion-base-biscayne" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>https://www.usgs.gov/data/shapefile-and-summary-tables-approximate-inland-extent-saltwater-intrusion-base-biscayne </SPAN></SPAN></A></P><P /></DIV></DIV></DIV>
Service Item Id: 5542d520da3b48f8a66009c7f308f21e
Copyright Text: United States Geological Survey (USGS)
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: baseline Horizontal Alignment: left Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 7 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 7 0;"><SPAN><SPAN>Chloride data used in the approximation of the 250 mg/L isochlors for the east coast and west coasts of Florida for the water table, surficial, Lower Tamiami, Sandstone, and Mid-Hawthorn aquifers. Well and chloride data were obtained from USGS and SFWMD records. The isochlor is based on the maximum chloride value for the period of March/April/May 2019. Chloride and well data from the SFWMD have been furnished by Permittees and have not been validated. Chloride and well data from the USGS are available via </SPAN></SPAN><A href="http://waterdata.usgs.gov/nwis"><SPAN><SPAN>http://waterdata.usgs.gov/nwis</SPAN></SPAN></A><SPAN><SPAN>and may also be available in the District’s DBHYDRO database </SPAN></SPAN><A href="https://my.sfwmd.gov/dbhydroplsql/show_dbkey_info.main_menu"><SPAN><SPAN>https://my.sfwmd.gov/dbhydroplsql/show_dbkey_info.main_menu</SPAN></SPAN></A><SPAN>. </SPAN></P><P STYLE="margin:0 0 7 0;"><SPAN>The 250 mg/L isochlors for the east and west coasts are compiled in a separte line feature class called, "Merged Isochlor, 2019". </SPAN></P></DIV></DIV></DIV>
Service Item Id: 5542d520da3b48f8a66009c7f308f21e
Copyright Text: South Florida Water Management District (SFWMD); United States Geological Survey (USGS)
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Chloride data used in the approximation of the 250 mg/L isochlors for the east coast and west coasts, water table, Biscayne, surficial, Lower Tamimai, Sandstone, and Mid-Hawthorn aquifers. Well and chloride data were obtained from USGS and SFWMD records. The line marks an approximation of the farthest inland extent of the saltwater interface as defined by the 250 mg/L chloride concentration. The isochlor is based on the average of available chloride values for the period of March/April/May 2014. Chloride and well data from the SFWMD have been furnished by Permittees and have not been validated. Chloride and well data from the USGS are available via http://waterdata.usgs.gov/nwis. </SPAN></P></DIV></DIV></DIV>
Service Item Id: 5542d520da3b48f8a66009c7f308f21e
Copyright Text: South Florida Water Management District (SFWMD); United States Geological Survey (USGS)
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Chloride data used in the approximation of the 250 mg/L isochlors for the east coast and west coasts, water table, Biscayne, surficial, Lower Tamimai, Sandstone, and Mid-Hawthorn aquifers. Well and chloride data were obtained from USGS and SFWMD records. The line marks an approximation of the farthest inland extent of the saltwater interface as defined by the 250 mg/L chloride concentration. The isochlor is based on the average of available chloride values for the period of April/May 2009. Chloride and well data from the SFWMD have been furnished by Permittees and have not been validated. Chloride and well data from the USGS are available via http://waterdata.usgs.gov/nwis. </SPAN></P></DIV></DIV></DIV>
Service Item Id: 5542d520da3b48f8a66009c7f308f21e
Copyright Text: South Florida Water Management District (SFWMD), United States Geological Survey (USGS)
Color: [0, 0, 0, 255] Background Color: N/A Outline Color: N/A Vertical Alignment: bottom Horizontal Alignment: center Right to Left: false Angle: 0 XOffset: 0 YOffset: 0 Size: 9 Font Family: Arial Font Style: normal Font Weight: normal Font Decoration: none