The St. Johns River, running 310 miles, is the longest river in Florida.
The Department of Environmental Protection is committed to addressing
water quality issues in the St. Johns River. The Department has
consistently worked with its federal, state, and local partners to restore this
critical natural resource. Learn more
by exploring the sites below.
Lower St. Johns River TMDLs
- Through the Total
Maximum Daily Load (TMDL) program, the DEP and interested stakeholders
take steps to evaluate and restore the Lower St. Johns River and
St. Johns River Water Management District - Water, and
making sure that it is available for all Floridians, is at the
heart of the work of the St. Johns River Water Management
District. Learn about what the District
is doing to restore surface waters.
- A partnership consisting of more than twenty organizations
committed time and money to reduce the amount of nitrogen
discharged into the river.
Lower St. Johns
Technical Advisory Committee (TAC)
provides a forum to universities, agencies, citizen groups, and
private interests to share technical information about the
environmental status and trends in the Lower St Johns River.
Duval County Tributary Monitoring
Tributary Program, as the name implies, focuses on the
monitoring of water quality in the tributaries of the St. Johns
River in Jacksonville. Approximately 100 sites along
Jacksonville tributaries are monitored quarterly for a variety
St. Johns River at a Glance
- This DEP report provides the public with information on water
quality in the St. Johns River. DEP scientists evaluate
water quality along the St. Johns by conducting quarterly sampling
at four stations.
WAV Watershed Monitoring - Throughout northeast and
east-central Florida, participants in the Watershed Action
Volunteer (WAV) Program are helping to establish a baseline on
the health of various water bodies in the St. Johns River Water
Management District’s service area.
Monitoring and Assessment - The Northeast district does a wide
veriety of monitoring and assesments through out the district.
Data from these activities can be found on this page.
Bloom Information - The St. Johns River Water Management
District monitors the River for harmful algal blooms. For
quick reference the SJRWMD has provided links to information on
public health and impacts to wildlife. In addition,
DEP algal bloom website has