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2009 to 2017
Downloading or ordering published reports
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PUB. NO.: SJ2017-1
Ecology and Management of Carolina Willow (Salix caroliniana): A compendium of knowledge
The objectives of compiling this compendium of knowledge was to increase understanding of the environmental conditions that are most favorable to the establishment and persistence of Carolina willow and to provide a useful reference for managing Carolina willow with effective techniques to prevent and control its invasion into herbaceous marsh communities while minimizing undesirable off-target effects.
PUB. NO.: SJ2016-1
Effects on Lower St. Johns River Nutrient Supply and TMDL Target Compliance from the Restoration of a Free-Flowing Ocklawaha River
This report details the results of analyses performed by the St. Johns River Water Management District about the possible downstream effects of restoring of the lower Ocklawaha River to a free-flowing condition, using additional data and improved modeling capabilities available since an initial report was prepared in 1994.
PUB. NO.: SJ2016-2
Potential Environmental Effects of Water Withdrawals from the St. Johns River — Ichthyoplankton Entrainment
This report discusses potential effects of water withdrawals on St. Johns River fish populations.
PUB. NO.: SJ2016-3
Determination of Minimum Flows for De Leon Springs, Volusia County, Florida
This report describes the district’s minimum flows and levels (MFLs) determination for De Leon Springs in Volusia County. MFLs are reviewed periodically and revised as needed under Florida Statutes. The MFL was adopted by the district governing board in December 2016.
PUB. NO.: SJ2016-4
Minimum Levels Reevaluation for Cowpen Lake, Putnam County, Florida
The original minimum flow and level for this lake was set in 1998. This report documents the reevaluation process and results. The new MFL was adopted by the district governing board in December 2016.
PUB. NO.: SJ2015-1
Minimum Levels Reevaluation: Lake Melrose, Putnam County, Florida
This report describes the St. Johns River Water Management District’s minimum flows and levels (MFLs) reevaluation for Lake Melrose in Putnam County. MFLs are reviewed periodically and revised as needed under Florida Statutes. The district’s Governing Board adopted the MFL in November 2014.
PUB. NO.: SJ2014-1
Minimum Levels Reevaluation: Indian Lake, Volusia County, Florida
This report describes the St. Johns River Water Management District’s minimum flows and levels (MFLs) reevaluation for Indian Lake in Volusia County. MFLs are reviewed periodically and revised as needed under Florida Statutes.
PUB. NO.: SJ2014-2
Indian Lake System Minimum Flows and Levels Hydrologic Methods Report
This report documents the task in analyzing changes to the Indian Lake hydrologic system (Indian Lake, Scoggin Lake and Coon Pond) to quantify those changes and assess their acceptability. Modeling results provide the framework needed to implement minimum flows and levels for the Indian Lake system.
PUB. NO.: SJ2012-1
PUB. NO.: SJ2012-2
Methodology for estimating historical agricultural groundwater use in the Central Florida Coordination Area (CFCA) 1957–2010
This document presents the data and methods used to estimate, allocate, and distribute historical groundwater use for spatial non-citrus agriculture (ag), citrus, and golf course uses for the Central Florida Coordination Area (CFCA) in Florida. Irrigation practices for improved pasturelands within the CFCA it is not addressed. The final data set is in feature class format (ArcGIS 9.3) with monthly time-series groundwater use data (units in average gallons of groundwater per day, by month) from 1957–2010, available on DVD (through the order form available at the link above).
PUB. NO.: SJ2010-1
Pollutant load reduction goals for Newnans Lake
Presents restoration target concentrations of total nitrogen and total phosphorus for Newnans Lake, as a requirement for determining total maximum daily loads and in setting pollutant load reduction goals for the lake.
PUB. NO.: SJ2010-2
Development of a functional, best management practice program in the tri-county agricultural area of northeast Florida
Annual agricultural production in the tri-county agricultural area is concurrent with the advent of freshwater algal blooms. This report discusses recent findings and best management practices that may be effective in preventing the conveyance of sediment and nutrient-enriched agricultural runoff that drains to the receiving waters of the St. Johns River.
PUB. NO.: SJ2009-1
Minimum levels reevaluation for Shaw Lake, Volusia County, FL
The report describes the district’s minimum flows and levels (MFLs) reevaluation for Shaw Lake in Volusia County, Florida.
PUB. NO.: SJ2009-2
Minimum levels reevaluation for Lake Dias, Volusia County, FL
The report outlines the district’s minimum flows and levels (MFLs) reevaluation for Lake Dias in Volusia County, Florida.
PUB. NO.: SJ2009-3
Minimum levels reevaluation: Gore Lake, Flagler County, Florida
The report describes the St. Johns River Water Management District’s minimum flows and levels reevaluation for Gore Lake in Flagler County.
PUB. NO.: SJ2009-4
Minimum levels reevaluation: Lake Ashby, Volusia County, Florida
The report describes the St. Johns River Water Management District’s minimum flows and levels reevaluation for Lake Ashby in Volusia County.
PUB. NO.: SJ2009-5
Extended abstract: Preliminary evaluation of potential weir sites for wetland conservation in Tiger Bay and Bennett Swamp,Volusia County, Florida, Phase II
Volusia County and the St. Johns River Water Management District have investigated potential weir sites in the Tiger Bay watershed for wetland mitigation and recharge potential. Phase II of the investigation, which is documented by this report, was to improve hydrologic analysis by using better topographic data, identifying other possible weir sites, and preparing preliminary designs of recommended weirs.
PUB. NO.: SJ2009-6
Deep Creek West Regional Stormwater Treatment Facility: Treatment wetland design and monitoring — tri-county agricultural area, Lower St. Johns River Basin
Water quality and hydrological monitoring stations were established throughout the treatment system to collect monthly ambient water quality data, storm event water quality data, and stage, flow, and rainfall data—to improve water quality within the tri-county watershed and assist in meeting total maximum daily load allocations. This first (2006 data) report emphasizes the design and monitoring of the treatment wetland.