Tag Archives: Sediment Quantity Analysis

How much does Dredging cost?

How much does dredging cost is the most commonly asked question for many lake associations.  We sat down with Dan McDougal, President of Dredge America and asked him that question.  

When lake homeowner’s call for our assistance with their potential upcoming dredging projects, the first question we usually get asked is, “How much does it cost?” This is usually followed by, “Just a ballpark figure that I won’t hold you to.” Then we often hear, “We have a board meeting tonight and I wanted to report on dredging to get the project moving.”

There are hundreds of variables that determine the cost of restoring a lake. There are three questions that need to be answered to begin the process of getting a ballpark feasibility price:

  1. How much material is there to dredge?
  2. Where can you put the material that is coming out of the lake?
  3. What is the nature of the material to be dredged?

In order to determine a quantity, the first thing that is required is to perform a pre-dredge hydrographic survey (bathymetry).  This type of survey will provide water depth information throughout the entire body of water.  At the same time a sediment survey can be performed providing soft sediment thickness information.

It is money well spent at this stage to hire an experienced hydrographic surveyor with proper insurance and credentials.  This will help protect the association if there is ever a dispute.  The hyrdrographer will be able to give a general description for the soil characteristics and perform the sub-bottom profiling all in one site visit. With this information, you can make an informed decision about how much more data is needed in order to get the most cost effective proposal for your dredging project.

After you have quantified how much sediment needs to be removed, the next step is to find a place to put it. Most people underestimate the amount of space they need to place and contain the sediment that comes out of the lake.  The size of area you will need will depend on many factors with the number one being the lay of the land. Usually for every two acres of lake that you dredge, an average of three foot of sediment, you will need an acre of upland area to place the material. This will yield an average elevation increase of six feet on land prior to consolidation.  The closer this area to the lake, the cheaper the dredging costs will be with all other things being equal. 

The final question to answer is the material characteristics. In most lakes, what is being dredged is often referred to as “muck.” This is generally a combination of silt, clay, and organics. There is also sometimes sand in the very end of the coves. The dredger needs to know this as sand is more costly to pump further, but easier to dewater; while muck pumps easy, but can be costly to dewater, particularly if the disposal area size is limited. Hard packed sand, or hard pan clay bottom, are more difficult to cut, and therefore more expensive. Rock is even more expensive and most often cost prohibitive. There should be a clear distinction if the dredger is expected to only remove sediment that has filled the lake since it was originally constructed, verses cut virgin ground that has never been excavated.

It is best to work with someone with many years of dredging experience to help guide you through the maze and advise you on what is needed, not needed, and what options you can elect for the associated costs. In the end, you want someone you can trust with a long history and who can supply you with pages of references. The very last thing you want is someone to learn about dredging on your project and on your dime.

So is your project feasible? If you can’t afford to have someone qualified come out and perform a hydrographic survey, the answer is no. If you can do this, then you can have a quantity and a three dimensional image of your lake bottom.  With this critical information you can communicate with your neighbors on what the problem is, where it is, and a ballpark of what it might cost to fix it.

One final thing to consider is that all lake associations have more mud than money. With the hydrographic survey, you can set your priorities based on a realistic budget that your association is willing to spend. You and all of your neighbors live on a lake for a reason. It is a lifestyle. Your lake has to be maintained just like your roads and your sewers. To ignore it, is to ignore the largest asset in your community. Property values go down or up based on the quality of the lake.

If you have anymore questions for Dan McDougal, feel free to email

or call him 800.464.5597.  You can also visit their website for more information.

The Mapping Network surveyed the bottom of the lake including the sediment depths. This map shows the lake water depth as blue contours lines as well as a color shaded sediment thickness. This specialized technology allows the POA to easily locate problem areas.
The Mapping Network surveyed the bottom of the lake including the sediment depths. This map shows the lake water depth as blue contours lines as well as a color shaded sediment thickness. This specialized technology allows the POA to easily locate problem areas.

The Mapping Network surveyed the bottom of the lake including the sediment depths. This map shows the lake water depth as blue contours lines as well as a color shaded sediment thickness. This specialized technology allows the POA to easily locate problem areas.

The Mapping Network is an industry leader in Hydrographic Surveys, Bathymetry, Geographic Information Systems Consulting, Data Conversion, and GPS Data Collection.  We specialize in terrain and sub-surface (bathymetry) GPS mapping.   If you are serious about maintaining  a high-quality golf course, lake or pond, be sure you have the ability to make the best decisions,  get your resource mapped by the professionals at The Mapping Network.   Give us a call or send an e-mail to find out more details.

phone:  (402) 241-8177

e-mail: info@themappingnetwork.com

website: www.themappingnetwork.com

Check out The Mapping Network on Facebook for more examples and success stories!

The Mapping Network Adds Submerged Aquatic Vegetation (SAV) and Analysis

Technology allows for invasive vegetation monitoring, ecological evaluation and eradication status

FOR PRESS RELEASE CLICK HERE >> Aquatic Vegetation Survey

FOR DETAILED EXAMPLES CLICK HERE >> Hydrographic, Sediment Survey & Vegetation Mapping Information (opens as a pdf in your browser)

The Mapping Network is proud to announce the addition of an automated submerged aquatic vegetation (SAV) mapping and analysis.  Utilizing software developed by the U.S. Army Engineer Research and Development Center (ERDC-EL), The Mapping Network, and it’s nationwide network of lake management professionals, have the ability to process the distinct signature of submerged aquatic vegetation (SAV) within the recorded signal to determine depth, plant height, and coverage.

“The Mapping Network is excited to offer this unique service to clients throughout the country.  We really enjoy helping people make the most of their aquatic resources.” stated Steve Bartosh, President of The Mapping Network. With nationwide coverage, The Mapping Network can fulfill the demand for invasive vegetation monitoring, ecological evaluation and eradication status.

Visit our website for more Submerged Aquatic Vegetation Mapping examples >> CLICK MORE MORE INFO

Vegetation survey
showing a side profile view,
vegetation height scatter plot,
and transect line overview.

About The Mapping Network

The Mapping Network is based in Omaha, Nebraska is an industry leader in hydro-graphic surveys, bathymetry, sub-bottom profile surveys on lake and river systems, sediment mapping, submerged aquatic vegetation mapping, Geographic Information Systems (GIS) consulting, and GPS data collection.  This nationwide network of lake professionals  specialize in terrain and sub-surface (bathymetry) GPS mapping by accurately mapping bodies of water, calculating the water volume, collecting sediment depth samples at critical areas and monitoring the distribution of sediment over time.  The Mapping Network is comprised of a wide group of professionals specializing in all facets of lake management.   Give The Mapping Network a call or send an e-mail to find out more details.

Since 1999, the staff at The Mapping Network began linking hydro-acoustic depth measuring equipment with Differential and RTK GPS receivers to create accurate and up to date bathymetry maps. Over the ensuing years, this technology has improved and our company has remained on the cutting edge of utilizing these systems to produce very accurate and cost effective bathymetry and sediment surveys.The Mapping Network works directly with government organizations, lake associations, engineers, developers and dredging companies. Our company and personnel have been leaders in the development of tools and technology for hydrographic survey systems for over a decade.

Contact:

phone:  (402) 241-8177

e-mail: info@themappingnetwork.com

website: www.themappingnetwork.com

CLICK HERE >> Hydrographic and Sediment Survey Information (opens as a pdf in your browser)

Check out The Mapping Network on Facebook for more examples and success stories!

The Mapping Network is proud to announce their firm has been chosen by Cabela’s, the World’s Foremost Outfitter, as a Landowner Services provider for Cabela’s Trophy Properties throughout the United States.  Visit us on the Cabela’s Trophy Properties website >> click here

The Mapping Network:  www.TheMappingNetwork.com

A Nationwide Network of GPS Mapping Professionals

  • Hydrographic Surveying
  • Sediment Surveying
  • Sub-Bottom Profiling
  • Side Scanning Sonar Data Collection
  • Lake Bottom Hardness Analysis
  • Capacity Curve Analysis
  • Sediment Quantity Analysis
  • Invasive Vegetation Mapping
  • Land Mapping
  • Bio-Volume Vegetation Mapping
  • SonarWiz, Hypack and Dredgepack Data
  • Profile (Thalweg) Survey
  • GIS Processing and Analysis
  • USACOE and IHO Compliant

The Mapping Network Adds Submerged Aquatic Vegetation (SAV) and Analysis

Technology allows for invasive vegetation monitoring, ecological evaluation and eradication status

FOR PRESS RELEASE CLICK HERE >> Aquatic Vegetation Survey

FOR DETAILED EXAMPLES CLICK HERE >> Hydrographic, Sediment Survey & Vegetation Mapping Information (opens as a pdf in your browser)

The Mapping Network is proud to announce the addition of an automated submerged aquatic vegetation (SAV) mapping and analysis.  Utilizing software developed by the U.S. Army Engineer Research and Development Center (ERDC-EL), The Mapping Network, and it’s nationwide network of lake management professionals, have the ability to process the distinct signature of submerged aquatic vegetation (SAV) within the recorded signal to determine depth, plant height, and coverage.

“The Mapping Network is excited to offer this unique service to clients throughout the country.  We really enjoy helping people make the most of their aquatic resources.” stated Steve Bartosh, President of The Mapping Network. With nationwide coverage, The Mapping Network can fulfill the demand for invasive vegetation monitoring, ecological evaluation and eradication status.

Visit our website for more Submerged Aquatic Vegetation Mapping examples >> CLICK MORE MORE INFO

Vegetation survey
showing a side profile view,
vegetation height scatter plot,
and transect line overview.

About The Mapping Network

The Mapping Network is based in Omaha, Nebraska is an industry leader in hydro-graphic surveys, bathymetry, sub-bottom profile surveys on lake and river systems, sediment mapping, submerged aquatic vegetation mapping, Geographic Information Systems (GIS) consulting, and GPS data collection.  This nationwide network of lake professionals  specialize in terrain and sub-surface (bathymetry) GPS mapping by accurately mapping bodies of water, calculating the water volume, collecting sediment depth samples at critical areas and monitoring the distribution of sediment over time.  The Mapping Network is comprised of a wide group of professionals specializing in all facets of lake management.   Give The Mapping Network a call or send an e-mail to find out more details.

Since 1999, the staff at The Mapping Network began linking hydro-acoustic depth measuring equipment with Differential and RTK GPS receivers to create accurate and up to date bathymetry maps. Over the ensuing years, this technology has improved and our company has remained on the cutting edge of utilizing these systems to produce very accurate and cost effective bathymetry and sediment surveys.The Mapping Network works directly with government organizations, lake associations, engineers, developers and dredging companies. Our company and personnel have been leaders in the development of tools and technology for hydrographic survey systems for over a decade.

Contact:

phone:  (402) 241-8177

e-mail: info@themappingnetwork.com

website: www.themappingnetwork.com

CLICK HERE >> Hydrographic and Sediment Survey Information (opens as a pdf in your browser)

Check out The Mapping Network on Facebook for more examples and success stories!

The Mapping Network is proud to announce their firm has been chosen by Cabela’s, the World’s Foremost Outfitter, as a Landowner Services provider for Cabela’s Trophy Properties throughout the United States.  Visit us on the Cabela’s Trophy Properties website >> click here

The Mapping Network:  www.TheMappingNetwork.com

A Nationwide Network of GPS Mapping Professionals

  • Hydrographic Surveying
  • Sediment Surveying
  • Sub-Bottom Profiling
  • Side Scanning Sonar Data Collection
  • Lake Bottom Hardness Analysis
  • Capacity Curve Analysis
  • Sediment Quantity Analysis
  • Invasive Vegetation Mapping
  • Land Mapping
  • Bio-Volume Vegetation Mapping
  • SonarWiz, Hypack and Dredgepack Data
  • Profile (Thalweg) Survey
  • GIS Processing and Analysis
  • USACOE and IHO Compliant

The Mapping Network Adds Submerged Aquatic Vegetation (SAV) and Analysis

Technology allows for invasive vegetation monitoring, ecological evaluation and eradication status

FOR PRESS RELEASE CLICK HERE >> Aquatic Vegetation Survey

FOR DETAILED EXAMPLES CLICK HERE >> Hydrographic, Sediment Survey & Vegetation Mapping Information (opens as a pdf in your browser)

The Mapping Network is proud to announce the addition of an automated submerged aquatic vegetation (SAV) mapping and analysis.  Utilizing software developed by the U.S. Army Engineer Research and Development Center (ERDC-EL), The Mapping Network, and it’s nationwide network of lake management professionals, have the ability to process the distinct signature of submerged aquatic vegetation (SAV) within the recorded signal to determine depth, plant height, and coverage.

“The Mapping Network is excited to offer this unique service to clients throughout the country.  We really enjoy helping people make the most of their aquatic resources.” stated Steve Bartosh, President of The Mapping Network. With nationwide coverage, The Mapping Network can fulfill the demand for invasive vegetation monitoring, ecological evaluation and eradication status.

Visit our website for more Submerged Aquatic Vegetation Mapping examples >> CLICK MORE MORE INFO

Vegetation survey
showing a side profile view,
vegetation height scatter plot,
and transect line overview.

About The Mapping Network

The Mapping Network is based in Omaha, Nebraska is an industry leader in hydro-graphic surveys, bathymetry, sub-bottom profile surveys on lake and river systems, sediment mapping, submerged aquatic vegetation mapping, Geographic Information Systems (GIS) consulting, and GPS data collection.  This nationwide network of lake professionals  specialize in terrain and sub-surface (bathymetry) GPS mapping by accurately mapping bodies of water, calculating the water volume, collecting sediment depth samples at critical areas and monitoring the distribution of sediment over time.  The Mapping Network is comprised of a wide group of professionals specializing in all facets of lake management.   Give The Mapping Network a call or send an e-mail to find out more details.

Since 1999, the staff at The Mapping Network began linking hydro-acoustic depth measuring equipment with Differential and RTK GPS receivers to create accurate and up to date bathymetry maps. Over the ensuing years, this technology has improved and our company has remained on the cutting edge of utilizing these systems to produce very accurate and cost effective bathymetry and sediment surveys.The Mapping Network works directly with government organizations, lake associations, engineers, developers and dredging companies. Our company and personnel have been leaders in the development of tools and technology for hydrographic survey systems for over a decade.

Contact:

phone:  (402) 241-8177

e-mail: info@themappingnetwork.com

website: www.themappingnetwork.com

CLICK HERE >> Hydrographic and Sediment Survey Information (opens as a pdf in your browser)

Check out The Mapping Network on Facebook for more examples and success stories!

The Mapping Network is proud to announce their firm has been chosen by Cabela’s, the World’s Foremost Outfitter, as a Landowner Services provider for Cabela’s Trophy Properties throughout the United States.  Visit us on the Cabela’s Trophy Properties website >> click here

The Mapping Network:  www.TheMappingNetwork.com

A Nationwide Network of GPS Mapping Professionals

  • Hydrographic Surveying
  • Sediment Surveying
  • Sub-Bottom Profiling
  • Side Scanning Sonar Data Collection
  • Lake Bottom Hardness Analysis
  • Capacity Curve Analysis
  • Sediment Quantity Analysis
  • Invasive Vegetation Mapping
  • Land Mapping
  • Bio-Volume Vegetation Mapping
  • SonarWiz, Hypack and Dredgepack Data
  • Profile (Thalweg) Survey
  • GIS Processing and Analysis
  • USACOE and IHO Compliant

Sub-Bottom Sediment Profiling Mapping System from The Mapping Network

The Mapping Networks Sub-Bottom Sediment Profiling Mapping System
True lake bottom profile can be seen with lake mapping technology

FOR DETAILED EXAMPLES CLICK HERE >> Hydrographic and Sediment Survey Information (opens as a pdf in your browser)

In 2012 The Mapping Network has successfully completed several automated sub-bottom sediment profile mapping projects throughout the United States for clients trying to quantify sediment volume and dredge planning. This mapping system logs sediment and water depth readings simultaneously, allowing The Mapping Network to chart the lake bottom with remarkable accuracy.

  • Lake owners are able to have a clear understanding of how much sediment is in the lake and where it is located.
  • Sophisticated lake mapping technology allows owners to fully understand the severity of the sediment issues when planning a dredging project
  • Mapping the bottom of the lake can also reveal areas of concern and optimal times when dredging will be necessary for the survival of the lake
  • Cubic yardage calculations of sediment for each removal area are rendered
  • Choosing important areas to dredge, based on up-to-date, accurate information allows for a focused dredging effort, saving money
  • Dredging companies then use this information to accurately bid and complete projects.
  • Mapping lake sediment with this technology saves time, money, and materials by being informed and efficient with the dredging process.

Due to the large expense dredging is for lake owners, this new technology has helped owners save time and money and more effectively budget and plan for projects.

A color-shaded sediment map created by The Mapping Network. Our automated sediment mapping system can precisely locate problems areas needing to be dredged. Knowing exactly where to remove sediment not only saves the client money, but protects the environment by only disturbing a small area.

About The Mapping Network

The Mapping Network, LLC is a business organized to perform Hydrographic and Sub-bottom profile surveys on lake and river systems for a wide range of clients throughout the United States. We operate from our office in Omaha, Nebraska along with fifteen highly trained Lake Management companies located around the country. We provide this service for a variety of client needs including generating bathymetry, sediment, and water volume information.

The Mapping Network works directly with government organizations, lake associations, engineers, developers and dredging companies. Our company and personnel have been leaders in the development of tools and technology for hydrographic survey systems for over a decade.

Since 1999, the staff at The Mapping Network began linking hydro-acoustic depth measuring equipment with Differential and RTK GPS receivers to create accurate and up to date bathymetry maps. Over the ensuing years, this technology has improved and our company has remained on the cutting edge of utilizing these systems to produce very accurate and cost effective bathymetry and sediment surveys.

phone:  (402) 241-8177

e-mail: info@themappingnetwork.com

website: www.themappingnetwork.com

CLICK HERE >> Hydrographic and Sediment Survey Information (opens as a pdf in your browser)

Check out The Mapping Network on Facebook for more examples and success stories!

The Mapping Network is proud to announce their firm has been chosen by Cabela’s, the World’s Foremost Outfitter, as a Landowner Services provider for Cabela’s Trophy Properties throughout the United States.  Visit us on the Cabela’s Trophy Properties website >> click here

The Mapping Network:  www.TheMappingNetwork.com

A Nationwide Network of GPS Mapping Professionals

  • Hydrographic Surveying
  • Sediment Surveying
  • Sub-Bottom Profiling
  • Side Scanning Sonar Data Collection
  • Lake Bottom Hardness Analysis
  • Capacity Curve Analysis
  • Sediment Quantity Analysis
  • Invasive Vegetation Mapping
  • Land Mapping
  • Bio-Volume Vegetation Mapping
  • SonarWiz, Hypack and Dredgepack Data
  • Profile (Thalweg) Survey
  • GIS Processing and Analysis
  • USACOE and IHO Compliant