2018

PUB. NO.: SJ2018-1

By: Nathaniel R. Mouzon, Jian Di, Andrew B. Sutherland, Ph.D. and Fatih Gordu, PE

Title:
Minimum Levels Determination for Lochloosa Lake, Alachua County, Florida

This report documents the minimum levels determination for Lochloosa Lake in Alachua County, Florida.

2017

PUB. NO.: SJ2017-1

By: Dianne L. Hall, Ph.D., Kimberli J. Ponzio, M.S., P.W.S., J.B. Miller, B.S., Pamela J. Bowen, M.S., Donna L. Curtis, Ph.D.

Title:
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.: SJ2017-2

By: Andrew B. Sutherland, Ph.D., Robert Freese, Ph.D., Jodi B. Slater, Fatih Gordu, P.E., Jian Di, and Greenville B. Hall, Ph.D.

Title:
Minimum Flows Determination for Silver Springs, Marion County, Florida

This report describes the minimum flows for Silver Springs and the methods used to determine those flows.

PUB. NO.: SJ2017-3

By: Robert Freese and Andrew Sutherland, Ph.D.

Title:
Minimum Flows Determination for Alexander Springs, Lake County, Florida

This report describes the minimum flows for Alexander Springs and the methods used to determine those flows.

PUB. NO.: SJ2017-4

By: Casey Harris, Nathaniel Mouzon, Fatih Gordu, P.E., and Andrew Sutherland, Ph.D.

Title:
Determination of Minimum Flows for Silver Glen Springs, Marion and Lake Counties, Florida

This report describes the minimum flows for Silver Glen Springs and the methods used to determine those flows.

PUB. NO.: SJ2017-5

By: Jane W. Mace

Title:
Determination of Minimum Flows for Gemini Springs, Volusia County, Florida

This report describes the minimum flows for Gemini Springs and the methods used to determine those flows.

2016

PUB. NO.: SJ2016-1

By: John Hendrickson

Title:
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

By: Steven J. Miller, Jonathan M. Shenker, Matthew Scripter, Audrey Farson, Kenneth Snyder

Title:
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

By: Casey Harris, Fatih Gordu, P.E., Jian Di, and Andrew Sutherland, Ph.D.

Title:
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

By:Andrew B. Sutherland, Ph.D. and Robert Freese, Ph.D.

Title:
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.

2015

PUB. NO.: SJ2015-1

By: Jane W. Mace

Title:
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.

2014

PUB. NO.: SJ2014-1

By: Jane W. Mace

Title:
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

By: C. Price Robison

Title:
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.

2013

None.

2012

PUB. NO.: SJ2012-1

By: St. Johns River Water Management District

Title:
St. Johns River Water Supply Impact Study

The four-year study has tremendously advanced the science of the river, providing a body of advanced science and engineering knowledge, methodologies and analyses to evaluate future permit applications seeking water withdrawals from the river. The impact study does not authorize water withdrawals, nor does it set an absolute amount of water that can or will be withdrawn from the St. Johns River. The study was peer reviewed by the National Academy of Sciences — National Resource Council.

  • The Report (July 23, 2012)

PUB. NO.: SJ2012-2

By: Jay McLeod and Doug Munch

Title:
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 from the district library.

2011

None.

2010

PUB. NO.: SJ2010-1

By: J.J. Di, D. Smith, C. Lippincott, E. Marzolf

Title:
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

By: P. Livingston Way

Title:
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.

2009

PUB. NO.: SJ2009-1

By: Chris Ware

Title:
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

By: C.P. Neubauer

Title:
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

By: Jane Mace

Title:
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

By: Robert J. Epting

Title:
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

By: Robert J. Freeman

Title:
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

By: Alicia Steinmetz, BCI Engineers and Scientists, Inc.; Pam Livingston Way

Title:
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.