Program Info

The water quality monitoring network at the district was initially designed and implemented in the early 1980s and has since been improved and expanded. The current network is comprised of more than 400 surface water sampling stations, more than 450 groundwater stations throughout the district’s 18-county service area and more than 20 continuous water quality stations in freshwater, springs and estuaries, collecting real-time water quality data to support district projects.
dissolved oxygen (mg/L), dissolved oxygen saturation (%), pH, salinity (ppt), specific conductance (µS/cm), turbidity (NTU-6600, FNU-EXO), water temperature (°C), fluorescent dissolved organic matter (ppb QSU), chlorophyll (RFU) data available upon request
Monthly grab sampling available in STORET/WIN program 5002.
Protecting and restoring water quality is a core mission of the St. Johns River Water Management District. A key component of this work is water quality monitoring and reporting. Monitoring provides a wealth of information that enables the district to make resource decisions based on accurate and timely information. In addition, residents can use the information to acquire a basic knowledge of groundwater, springs and water bodies in which they have an interest. The water quality monitoring program is staffed and managed by the Bureau of Water Resource Information.
Publications Status and Trends Report
Historic continuous Water Quality Stations in Managed Areas: IRLB04, NCB19020038, CM17Street, NCBARD16, CMMerritt, NCBNRCM, CMVero. Active stations (as of 9/2020): IRLB04, CMVero.
Data Location ; Discrete Data: ; Continuous data:
Data Format
Water Column
SEACAR Citation
St. Johns River Water Management District (SJRWMD). (2024). St. Johns River Water Management District Continuous Water Quality Programs. Updated 04/23/2024. Distributed by: SEACAR Data Discovery Interface, Office of Resilience and Coastal Protection, Florida Department of Environmental Protection.
Alternative Citation

indicates priority attributes

Tim Miller

Technical Program Manager

Export Standardized Data

Habitat(s) : Indicator(s) Last Updated File Download
Water Column : Water Quality, Water Clarity 03/23/24 11:53 PM Download File - Continuous WQ - 5061.txt
DIP Document N/A Download File - DIP

Office of Resilience and Coastal Protection Managed Areas

Banana River, Nassau River-St. Johns River Marshes


Water Column - Nutrients
Water Column - Water Quality
Water Column - Water Clarity
Water Column - Additional Indicators

Documentation and Data provided by program

File Type File Name Added On Details
Data BulkExport-33844736-20220909082218.csv 09/09/22 07:51 AM View Details
Data BulkExport-33844736-20221212072635.csv 12/12/22 07:27 AM View Details
Data 04/01/21 07:14 AM View Details
Data Data_03302021.csv 03/30/21 06:12 PM View Details
Data 09/09/22 07:51 AM View Details
Data 12/12/22 07:27 AM View Details
Data 09/18/20 07:26 AM View Details
Data IRLB04_2020-09-01_2021-04-12.xlsx 04/01/21 12:00 AM View Details
Data IRLB04_Data_1987-2019.csv 09/05/19 01:03 PM View Details
Data NCB19020038_Data_2014-2019.csv 09/05/19 01:03 PM View Details
Data NCBNRCM_Data_2015-2019.csv 09/05/19 01:03 PM View Details
GIS GIS_5061 WQ Continuous Stations.xlsx 09/18/20 08:06 AM View Details
GIS SJRWMD-Stations.csv 09/05/19 01:03 PM View Details
Logo SJRWMD.jpg 04/28/23 12:28 PM View Details
Protocols Data Download Process for SJRWMD WQ Data 2022dec12.docx 12/12/22 07:27 AM View Details
Protocols Definitions.xlsx 09/05/19 01:03 PM View Details