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Online tools, GIS, data

Water monitoring atlas

This atlas describes the locations and types of monitoring conducted by the St. Johns River Water Management District.

To assess the quality and quantity of water in the district, the district operates and maintains a network of stations to monitor river, lake and groundwater levels; river discharge; rainfall, and surface and groundwater quality conditions. The network monitors short- and long-term trends used in forecasting future water quantity and quality conditions. Data from the network supports a variety of functions, including consumptive use permitting, water supply projects, watershed planning and management projects, and the development of minimum flows and levels.

Atlas index

All maps and tables are in PDF format.

Maps Data
Lake observer monitoring network
Lake recorder monitoring network
Lake automated monitoring network
Water control structure monitoring network
Upper Ocklawaha Region
Water control structure monitoring network
Upper St. Johns Region
Springs monitoring network
Discharge monitoring network
Rain gauge monitoring network
Monthly wells monitoring network
Reference map


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St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
(800) 725-5922