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Track Record

Our Projects

4,000+ projects since 1994. 45 states plus Puerto Rico and the U.S. Virgin Islands. See what we've built.

500+
Systems Installed
45
States Served
30+
Years Experience
6
Industries Served

Nationwide Coverage

From our three fabrication hubs in South Carolina, Texas, and California, we deploy to project sites across the continental United States.

For the public count of every livestock digester by state, see the US Livestock Digester Atlas, built from the EPA AgSTAR database.

Project Portfolio

Kennedy Space Center — Cape Canaveral, FL
Aerospace / Government2019
Cape Canaveral, FL

Kennedy Space Center — Cape Canaveral, FL

Custom HDPE liner for the launch complex deluge water basin at NASA's Kennedy Space Center, engineered for extreme thermal and acoustic conditions.

400,000 gal
Basin Capacity
32,000 sq ft
Liner Area
180°F
Thermal Rating
View Case Study
Perdue Farms — Lewiston, NC
Poultry / Food Processing2023
Lewiston, NC

Perdue Farms — Lewiston, NC

Comprehensive biogas capture system for one of the largest poultry processing operations in the Southeast.

95%
GHG Reduction
120,000+ tpy
CO2e Avoided
4.2 acres
System Size
View Case Study
Diageo USVI Rum Distillery — St. Croix, USVI
Food & Beverage2011
St. Croix, US Virgin Islands

Diageo USVI Rum Distillery — St. Croix, USVI

Floating cover installation on three 4-million-gallon bioreactor tanks at the Diageo rum distillery in St. Croix, engineered for hurricane conditions.

4M gal each
Tank Capacity
12M gallons
Total Capacity
3
Number of Covers
View Case Study
Port of Charleston / USACE — Daniel Island, SC
Civil / Government2021
Daniel Island, SC

Port of Charleston / USACE — Daniel Island, SC

Geotextile stabilization and erosion control for critical port infrastructure in partnership with USACE.

47 acres
Site Area
215,000 sq ft
Geotextile Installed
6 ft daily
Tidal Fluctuation
View Case Study
SunMaid Growers — Kingsburg, CA
Food Processing / Agriculture2022
Kingsburg, CA

SunMaid Growers — Kingsburg, CA

Anaerobic digester system for one of America's most iconic food brands, capturing biogas from raisin processing wastewater.

85%
GHG Reduction
3.1 acres
Lagoon Coverage
$650K
Capex
View Case Study
40 West Landfill Cell 1, Hagerstown, MD
Landfill2000
Hagerstown, MD

40 West Landfill Cell 1, Hagerstown, MD

EFI installed two 60 mil textured HDPE liner layers, a geosynthetic clay liner, and protective geotextile for Cell 1 at 40 West Landfill in 2000.

60 mil textured HDPE
Liner Material
Two HDPE layers with GCL
Configuration
16 oz.
Protective Geotextile
View Case Study
JBS — Worthington, MN
Food Processing2024
Worthington, MN

JBS — Worthington, MN

HDPE cover and enclosed flare system for methane destruction at one of JBS's largest pork processing facilities.

31,000+ tpy
CO2e Destroyed
99.5%
Destruction Efficiency
$2.0M
Total Capex
View Case Study
Cavenaugh Hog Farm, Wallace, NC
Swine2003
Wallace, NC

Cavenaugh Hog Farm, Wallace, NC

EFI installed a 74,000-square-foot permeable cover and three floating baffles at Cavenaugh Hog Farm in Wallace, North Carolina, in 2003.

74,000 SF
Cover Area
15 mm 3R Foam
Cover Material
3 floating
Baffles
View Case Study
Town of Bowman — Bowman, SC
Wastewater Treatment2003
Bowman, SC

Town of Bowman — Bowman, SC

ThermaFab baffle curtain system installed in three lagoons to improve wastewater retention time and meet discharge limits.

3
Lagoons Baffled
147' x 9'
Largest Baffle
8130 XR-5 (Seaman Corp)
Material
View Case Study
Wayne-Sanderson Farms — Southeast US
Poultry / Agriculture2024
Multiple Locations, Southeast US

Wayne-Sanderson Farms — Southeast US

Multi-site biogas capture and methane destruction program across Wayne-Sanderson poultry operations.

4 facilities
Sites Deployed
28%
Portfolio IRR
85,000+ tpy
CO2e Avoided
View Case Study
Grupo Hame Olmeca III, Tecún Umán, Guatemala
Palm Oil Mill Wastewater2009
Tecún Umán, Guatemala

Grupo Hame Olmeca III, Tecún Umán, Guatemala

EFI fabricated and installed anaerobic lagoon covers and a biogas system for Grupo Hame's Olmeca III palm oil mill in Tecún Umán, Guatemala. The historical case study identifies a two-digester project in June 2009.

2
Digesters
60 and 80 mil HDPE
Cover Material
Cover and biogas-system fabrication and installation
EFI Scope
View Case Study
Johnston County Raw Water Reservoir, NC
Municipal Water2003
Johnston County, NC

Johnston County Raw Water Reservoir, NC

EFI installed a 307,661-square-foot permeable cover and a floating baffle at Johnston County's raw water reservoir in 2003.

307,661 SF
Cover Area
15 mm 3R Foam
Cover Material
420 ft x 14 ft
Baffle Size
View Case Study
City of Orangeburg — Orangeburg, SC
Water Treatment2000
Orangeburg, SC

City of Orangeburg — Orangeburg, SC

ThermaFab clearwell baffle system to increase chlorine contact time and meet water treatment requirements in a space-constrained facility.

5
Baffles Installed
150' x 17' each
Baffle Size
8130 XR-5 PW (Seaman Corp)
Material
View Case Study
Packaging Corporation of America - Tomahawk, WI
Industrial Wastewater Biogas Recovery2002-2007
Tomahawk, WI

Packaging Corporation of America - Tomahawk, WI

Phased installation of Seaman 8130 XR-5 floating covers on four anaerobic basins at Packaging Corporation of America in Tomahawk, Wisconsin.

1 cover, 140 ft x 107 ft
Phase 1
3 covers, 140 ft x 107 ft each
Phase 2
4 covers, 248 ft x 107 ft each
Phase 3
View Case Study
Teys Australia — Beenleigh, Queensland
Meat Processing2014
Beenleigh, Queensland, Australia

Teys Australia — Beenleigh, Queensland

Covered anaerobic lagoon and BNR basin for Teys Australia in Queensland, treating 550ML of effluent yearly with biogas fueling boilers.

550 ML/year
Effluent Treated
1.5mm HDPE
CAL Liner
2.5mm HDPE
BNR Liner
View Case Study
Staunton Water Treatment Plant, Staunton, VA
Municipal Water2003
Staunton, VA

Staunton Water Treatment Plant, Staunton, VA

EFI installed a 46,760-square-foot floating cover, 13,056-square-foot slope liner and three floating baffles at Staunton's water treatment plant in 2003.

46,760 SF
Cover Area
13,056 SF
Slope Liner Area
3 floating
Baffles
View Case Study
Gallo Farms — Atwater, CA
Dairy2005
Atwater, CA

Gallo Farms — Atwater, CA

Covered lagoon biogas system for Gallo Farms in Atwater, California, treating high-strength dairy and cheese processing wastewater.

Dairy + Cheese
Operation
CVAQMD
Compliance
Captured
Biogas
View Case Study
Rayonier Advanced Materials — Florida
Pulp & Paper2010
Florida

Rayonier Advanced Materials — Florida

Pulp mill wastewater liner system for Rayonier Advanced Materials in Florida, engineered for hot, chemically aggressive cellulose effluent.

Specialty cellulose mill
Operation
Engineered HDPE
Liner Type
High-temperature
Thermal Rating
View Case Study
Murphy Brown / Smithfield Foods — North Carolina
Swine2006
North Carolina

Murphy Brown / Smithfield Foods — North Carolina

Lagoon cover and methane capture system for Murphy Brown, Smithfield Foods' hog subsidiary, at large swine operations in North Carolina.

Large-scale swine
Operation
Smithfield Foods
Parent Company
Captured & destroyed
Methane
View Case Study
Castelanelli Bros. Dairy Digester Cover, Lodi, CA
Dairy2004
Lodi, CA

Castelanelli Bros. Dairy Digester Cover, Lodi, CA

EFI fabricated and installed a 60 mil HDPE digester cover and biogas collection system at Castelanelli Bros. Dairy in Lodi, California, in 2004.

60 mil HDPE
Cover Material
Cover and biogas collection
EFI Scope
2004
Project Year
View Case Study
Nestle Purina — Hartwell, GA
Pet Food Manufacturing2021
Hartwell, GA

Nestle Purina — Hartwell, GA

Wastewater containment and treatment lagoon liner system for Nestle Purina's pet food manufacturing facility, engineered for high-BOD rendering wastewater.

185,000 SF
Liner Area
60mil HDPE
Liner Type
12,000+ mg/L
BOD Capacity
View Case Study
Tyson Foods — Broken Bow, OK
Poultry Processing2020
Broken Bow, OK

Tyson Foods — Broken Bow, OK

Poultry processing wastewater lagoon liner and floating cover system for Tyson's southeastern Oklahoma facility, combining containment with odor control.

60mil HDPE
Liner Type
Floating
Cover Type
2.8 acres
Lagoon Area
View Case Study
Smithfield Foods — Tar Heel, NC
Swine Processing2023
Tar Heel, NC

Smithfield Foods — Tar Heel, NC

Covered lagoon digester and biogas destruction system at Smithfield's Tar Heel pork plant, destroying over 55,000 tCO2e of methane annually.

55,000+ tpy
CO2e Destroyed
99.5%
Destruction Efficiency
8.5 acres
Lagoon Coverage
View Case Study
Republic Services Landfill — Boise, ID
Landfill2019
Boise, ID

Republic Services Landfill — Boise, ID

Double-lined landfill containment system with leachate collection for Republic Services in Boise, covering 1.8 million SF over basalt geology.

1,800,000+ SF
Liner Area
80mil HDPE
Liner Type
Double composite + GCL
Configuration
View Case Study
Ameresco Dairy Digester — Tulare, CA
Dairy2022
Tulare, CA

Ameresco Dairy Digester — Tulare, CA

LCFS-pathway covered lagoon digester for Ameresco at a 4,500-head Tulare dairy, capturing 18,000 tCO2e annually with CARB-compliant monitoring.

18,000+ tpy
CO2e Captured
4,500 head
Herd Size
-350 gCO2e/MJ
CI Score
View Case Study
BilMar Foods Covered Equalization Cells, Zeeland, MI
Food Processing / Poultry1997
Zeeland, MI

BilMar Foods Covered Equalization Cells, Zeeland, MI

EFI supplied and installed HDPE liners and floating covers for two wastewater equalization cells at BilMar Foods in Zeeland, Michigan, in 1997.

2
Equalization Cells
60 mil HDPE
Liner Material
100 mil HDPE
Cover Material
View Case Study
CalBio Dairy Cluster — Hanford, CA
Dairy2023
Hanford, CA

CalBio Dairy Cluster — Hanford, CA

Multi-farm covered lagoon digester cluster serving 5 dairies in Kings County, with centralized biogas collection and pipeline injection for RNG production.

5
Dairies Served
42,000+ tpy
CO2e Captured
7 months total
Installation Time
View Case Study
Rayonier Advanced Materials Expansion — Fernandina Beach, FL
Pulp & Paper2018
Fernandina Beach, FL

Rayonier Advanced Materials Expansion — Fernandina Beach, FL

Lagoon containment expansion at Rayonier's Fernandina Beach pulp mill, adding a 280,000 SF double-lined cell and rehabilitating two existing cells.

280,000 SF
New Liner Area
2
Cells Rehabilitated
Double composite
Configuration
View Case Study
Farmergy Swine — Clinton, NC
Swine2024
Clinton, NC

Farmergy Swine — Clinton, NC

Swine lagoon cover and biogas collection system for Duplin County hog farms, generating carbon credits through verified methane destruction.

25,000+ tpy
CO2e Destroyed
Duplin County, NC
Region
99%+
Destruction Efficiency
View Case Study
Central Bi-Products Covered Treatment Cell, Long Prairie, MN
Animal By-Products / Food Processing1997
Long Prairie, MN

Central Bi-Products Covered Treatment Cell, Long Prairie, MN

EFI installed an HDPE liner and insulated cover for a new anaerobic pretreatment cell at Central Bi-Products in Long Prairie, Minnesota, in 1997.

60 mil HDPE
Liner Material
Insulated 60 mil HDPE
Cover Material
1997
Project Year
View Case Study
Sysadvance Biogas — Stephenville, TX
Dairy2022
Stephenville, TX

Sysadvance Biogas — Stephenville, TX

Dairy digester with biogas upgrading infrastructure for RNG production at a 6,000-head dairy in Erath County, Texas, the state's top dairy region.

6,000 head
Herd Size
80mil HDPE
Liner Type
RNG upgrading
Biogas Use
View Case Study
Santee Cooper Utility — Moncks Corner, SC
Utility / Municipal2019
Moncks Corner, SC

Santee Cooper Utility — Moncks Corner, SC

Coal ash pond liner and stormwater containment for Santee Cooper's Cross Generating Station, meeting EPA CCR Rule requirements.

80mil HDPE
Liner Type
Double composite + GCL
Configuration
Full LCRS
Leachate System
View Case Study
Emerald Dairy — Emerald, WI
Dairy2020
Emerald, WI

Emerald Dairy — Emerald, WI

Covered lagoon digester with enclosed flare at Emerald Dairy's 3,200-head Wisconsin operation, engineered for extreme cold and heavy snow loads.

12,000+ tpy
CO2e Destroyed
3,200 head
Herd Size
-20°F
Cold Rating
View Case Study
RDO Foods — Grand Forks, ND
Food Processing1996
Grand Forks, ND

RDO Foods — Grand Forks, ND

Covered anaerobic treatment cell with HDPE liner and insulated cover for a Grand Forks potato plant, ending odor complaints and fueling boilers.

288,000 SF
System Area
40 mil HDPE
Liner Thickness
60 mil HDPE
Cover Thickness
View Case Study
Old River Dairy — Bakersfield, CA
Dairy / Agriculture2013
Bakersfield, CA

Old River Dairy — Bakersfield, CA

Large-scale dual covered lagoon anaerobic digester system producing 13,000 MWh/year of renewable energy from an 8,400-cow dairy operation.

13,000 MWh
Annual Energy
3 MW
Generation Capacity
8,400 milk cows
Herd Size
View Case Study
Village of Laurelville Wastewater Treatment Plant
Wastewater Treatment2002
Laurelville, OH

Village of Laurelville Wastewater Treatment Plant

Replacement of a permeable floating cover on a 58 ft by 75 ft wastewater treatment basin in Laurelville, Ohio.

58 ft x 75 ft
Basin Dimensions
50 mm OCS permeable cover system
Material
Village of Laurelville
Owner
View Case Study
Crisp County Landfill — Crisp County, GA
Landfill / Government2000
Crisp County, GA

Crisp County Landfill — Crisp County, GA

Landfill cell expansion with HDPE liner and leachate collection system, enabling continuous operation without disrupting existing refuse intake.

330,000 sq ft
Liner Area
1,250 LF
Leachate Piping
6" HDPE
Pipe Size
View Case Study
US EPA Superfund Site — Sergeant Bluff, IA
Environmental Remediation1999
Sergeant Bluff, IA

US EPA Superfund Site — Sergeant Bluff, IA

Floating covers and landfill capping for a former tannery Superfund site contaminated with heavy metals, as part of a comprehensive EPA remediation plan.

(2) 60,000 SF
Floating Cover Area
GSE 60 mil HDPE
Cover Material
40 mil HDPE
Cap Material
View Case Study
Alpine Farms Pond Liner, Natural Bridge Station, VA
Agriculture / Residential2006
Natural Bridge Station, VA

Alpine Farms Pond Liner, Natural Bridge Station, VA

EFI installed a 40 mil textured HDPE pond liner at Alpine Farms in Natural Bridge Station, Virginia, in 2006.

70,500 sq ft
Liner Area
40 mil textured HDPE
Liner Material
2006
Project Year
View Case Study
Barham Farms — Johnston County, NC
Agriculture / Swine1996
Johnston County, NC

Barham Farms — Johnston County, NC

In-ground anaerobic digester with covered lagoon system for a 4,000-head hog farm, producing biogas for electric power generation and reducing odor.

265 ft x 265 ft
Digester Size
20 ft
Digester Depth
4,000 sows
Herd Size
View Case Study
Creek Acres Farm | Amsterdam, NY
Dairy2009
Amsterdam, NY

Creek Acres Farm | Amsterdam, NY

Two ambient temperature lagoon cover digester systems at Creek Acres Farm, a 400-cow New York dairy, cutting emissions and earning VER credits.

56,000 sq ft (two lagoons)
Cover Size
Lagoon 1: 140ft x 200ft, Lagoon 2: 140ft x 200ft
Lagoon Dimensions
60 mil Coverflex VFPE
Material
View Case Study
Westvaco Chemical — North Charleston, SC
Chemical / Industrial1999
North Charleston, SC

Westvaco Chemical — North Charleston, SC

Secondary containment liner retrofit for above-ground chemical storage tanks, stopping groundwater leakage from deteriorated concrete.

3,200 sq ft
Liner Area
Seaman 8130 XR-5
Liner Material
Eliminated
Groundwater Leakage
View Case Study
Fessenden Dairy | King Ferry, NY
Dairy2008
King Ferry, NY

Fessenden Dairy | King Ferry, NY

Two-stage lagoon cover and biogas collection system installed at Fessenden Dairy in King Ferry, New York, in 2008.

First stage: 80ft x 175ft, Second stage: 175ft x 365ft
Lagoon Dimensions
60 mil Coverflex
Material
650 milking cows + 550 heifers
Herd Size
View Case Study
Gallo Farms / Cottonwood Dairy — Atwater, CA
Dairy / Food Processing2004
Atwater, CA

Gallo Farms / Cottonwood Dairy — Atwater, CA

Anaerobic digester cover for Gallo Farms' 5,500-cow Cottonwood Dairy in Atwater, California, with captured methane powering steam and electricity.

300,000 sq ft
Cover Size
250ft x 1,200ft
Lagoon Dimensions
60 mil HDPE
Material
View Case Study
Massanutten Public Service Company - McGaheysville, VA
Wastewater Treatment2005
McGaheysville, VA

Massanutten Public Service Company - McGaheysville, VA

HDPE liner and nonwoven geotextile installation for a wastewater overflow pond, with custom fitting at the deeper aerator areas.

149,000 SF
Liner Area
130,000 SF
Geotextile Area
60 mil
Liner Thickness
View Case Study
Sierra Cattle Company | Lindsay, CA
Cattle / Feedlot2004
Lindsay, CA

Sierra Cattle Company | Lindsay, CA

Anaerobic lagoon cover and biogas collection at Sierra Cattle Company in Lindsay, California. The 2004 project served 6,000 heifers and steers.

212,800 sq ft
Cover Size
60 mil HDPE
Material
6,000 heifers and steers
Herd Size
View Case Study
Town of Arlington, Arlington, TN
Wastewater Treatment2006
Arlington, TN

Town of Arlington, Arlington, TN

Geosynthetic-lined sludge storage lagoon for the new Arlington Wastewater Treatment Plant with textured HDPE liner.

328,000 SF
Liner Area
60 mil
Liner Thickness
Textured HDPE
Surface Type
View Case Study
Diageo USVI Rum Distillery — St. Croix, U.S. Virgin Islands
Beverage / Distillery2011
St. Croix, U.S. Virgin Islands

Diageo USVI Rum Distillery — St. Croix, U.S. Virgin Islands

Hurricane-rated floating covers on three 4-million-gallon bioreactors for Biothane/Veolia at the Diageo rum distillery in St. Croix.

3x bioreactors at 136ft diameter each, Biofilter: 150ft x 50ft
Lagoon Dimensions
12 million gallons total (3x 4M gallon tanks)
Capacity
Seaman Corp. 8138 XR5, 60 mil HDPE
Material
View Case Study
Teys Australia Lakes Creek — Beenleigh, Queensland, Australia
Food Processing / Meat Packing2014
Beenleigh, Queensland, Australia

Teys Australia Lakes Creek — Beenleigh, Queensland, Australia

Covered anaerobic lagoon and BNR basin at Teys Australia's Lakes Creek plant, treating 550ML of effluent yearly and offsetting boiler fuel.

CAL: 111m x 82m, BNR: 96m x 68m
Lagoon Dimensions
1.5mm & 2.5mm HDPE (Solmax)
Material
550ML/year
Effluent Volume
View Case Study
Town of Pine Mountain — Pine Mountain, GA
Wastewater Treatment2001
Pine Mountain, GA

Town of Pine Mountain — Pine Mountain, GA

HDPE geomembrane liner with geotextile for a pretreatment basin expansion at Pine Mountain's wastewater treatment facility.

118,000 SF
Liner Area
118,000 SF
Geotextile Area
40 mil HDPE
Liner Thickness
View Case Study
Pacific Rim Dairy | California
Dairy2014
California

Pacific Rim Dairy | California

Three-lagoon, two-stage digestion system at Pacific Rim Dairy in California, repurposing existing ponds with HDPE covers and air injection.

3x lagoons at approx. 98ft x 660ft each
Lagoon Dimensions
HDPE
Material
View Case Study
VanWarmerdam Dairy | Galt, CA
Dairy2013
Galt, CA

VanWarmerdam Dairy | Galt, CA

HDPE cover, baffle, mixing and air injection systems at VanWarmerdam Dairy in Galt, California. The July 2013 project listed 650 kW of generation capacity.

100ft x 600ft
Lagoon Dimensions
1,200 milk cows
Herd Size
650KW
Power Output
View Case Study
B
Food Processing / Meat Packing2006
Gaffney, SC

Brown Packing, Gaffney, SC

EFI fabricated and installed an insulated anaerobic digester cover for Brown Packing in Gaffney, South Carolina, in spring 2006. The treatment upgrade also included a lagoon baffle.

142 x 276 ft
Cover Dimensions
142 x 15 ft
Baffle Dimensions
Seaman 8130 XR-5
Material
View Case Study
Bowman Sewer Systems — Bowman, SC
Municipal2003
Bowman, SC

Bowman Sewer Systems — Bowman, SC

Floating baffle replacement in three lagoons at the Town of Bowman's wastewater plant, restoring retention time to meet discharge limits.

(1) 147ft x 9ft, (1) 94ft x 9ft, (1) 93ft 7in x 9ft
Lagoon Dimensions
8130 XR-5
Material
View Case Study
Orangeburg Water Treatment Plant — Orangeburg, SC
Municipal / Water Treatment2000
Orangeburg, SC

Orangeburg Water Treatment Plant — Orangeburg, SC

Clearwell baffle installation at the Orangeburg Water Treatment Plant, with five baffles increasing chlorine contact time and treated volume.

(5) 150ft x 17ft baffles
Lagoon Dimensions
8130 XR-5 PW (Seaman Corporation)
Material
View Case Study
Barham Farm — Zebulon, NC
Swine2001
Zebulon, NC

Barham Farm — Zebulon, NC

EFI installed an ambient temperature anaerobic digester cover at this 4,000-head swine farrow-to-wean operation under contract with Prestage Farms.

4,000 head swine
Herd Size
View Case Study
Crisp County Landfill — Crisp County, GA
Landfill
Crisp County, GA

Crisp County Landfill — Crisp County, GA

EFI provided geosynthetic liner solutions for this county landfill in Georgia. Case study documentation available in Old EFI archives.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
B
Food Processing
Wilson, NC

Bruce Foods Digester Cover, Wilson, NC

EFI performed the geomembrane work for a floating digester cover and baffles at Bruce Foods in Wilson, North Carolina. The historical design collected biogas from the anaerobic lagoon for use in a plant boiler.

58,500 SF
Project Size
40 mil smooth HDPE
Material
Plant boiler fuel
Historical Gas Use
View Case Study
Mid-America Tanning
Industrial / Tanning

Mid-America Tanning

EFI provided geosynthetic solutions for this tanning facility's wastewater treatment needs. Case study documentation available in Old EFI archives.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Rayonier
Industrial / Pulp & Paper

Rayonier

EFI provided wastewater treatment improvements for this pulp and paper company. Case study documentation available in Old EFI archives.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
E
Food Processing / Meat Packing1996
Fort Morgan, CO

Excel Corporation Cover Repairs, Fort Morgan, CO

EFI performed geomembrane repair work at Excel Corporation's wastewater treatment plant in Fort Morgan, Colorado. The 1996 case history describes rebuilding a damaged floating cover while the treatment cell remained in operation.

Geomembrane repairs
EFI Scope
100 mil HDPE
Cover Material
60 mil HDPE
Liner Material
View Case Study
T
Municipal Wastewater2007
Hardwick, VT

Town of Hardwick Wastewater Treatment, VT

EFI fabricated and installed a permeable cover and floating baffle at the Town of Hardwick's wastewater treatment plant in fall 2007. The upgrade created an anaerobic treatment cell within an existing aerated pond.

Approx. 21,000 SF
Cover Area
50 mm 3R-Foam
Cover Material
30 mil HDPE
Slope Skirt
View Case Study
Sun-Maid Growers — Fresno County, CA
Food Processing
Fresno County, CA

Sun-Maid Growers — Fresno County, CA

Floating cover and liner system for Sun-Maid Growers' raisin processing wastewater lagoons in California's Central Valley.

Floating Cover System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Westvaco Chemical Division
Industrial / Chemical

Westvaco Chemical Division

EFI provided geosynthetic solutions for Westvaco's chemical division. Case study documentation available in Old EFI archives.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Murphy Brown
Swine

Murphy Brown

EFI project for Murphy Brown, one of the largest swine production companies in the United States. Case study documentation available in Old EFI archives.

Floating Cover System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Town of Pine Mountain — Pine Mountain, GA
Municipal
Pine Mountain, GA

Town of Pine Mountain — Pine Mountain, GA

EFI provided geosynthetic solutions for this Georgia municipality's wastewater treatment needs. Case study documentation available in Old EFI archives.

EFI system
System Type
Operational
Status
Achieved
Compliance
View Case Study
RDO Foods
Food Processing

RDO Foods

EFI provided wastewater treatment improvements for this food processing facility. Case study documentation available in Old EFI archives.

EFI system
System Type
Operational
Status
Achieved
Compliance
View Case Study
Sustainable Beef
Food Processing / Meat Packing2024

Sustainable Beef

EFI provided geosynthetic solutions for this sustainable beef processing operation. Recent project from 2024.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Nestle Foods Gaffney — Gaffney, SC
Food Processing2024
Gaffney, SC

Nestle Foods Gaffney — Gaffney, SC

EFI provided geosynthetic solutions for Nestle's food processing facility in Gaffney, South Carolina. Recent 2024 project.

Geomembrane Liner System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Old River
Dairy2014

Old River

Inflated digester cover system at the Old River dairy operation, capturing biogas, controlling odor, and providing reliable containment.

Covered Lagoon Anaerobic Digester
System Type
Operational
Status
Achieved
Compliance
View Case Study
Pilgrim's Mt. Pleasant — Mt. Pleasant, TX
Poultry2024
Mt. Pleasant, TX

Pilgrim's Mt. Pleasant — Mt. Pleasant, TX

EFI performed wastewater expansion and ongoing repair work at this Pilgrim's Pride poultry processing facility. Multiple job phases across 2023-2025.

Floating Cover System
System Type
Zero
Leakage
Achieved
Compliance
View Case Study
Prestage Farms
Poultry / Swine2024

Prestage Farms

EFI provided geosynthetic solutions for this major poultry and swine producer. Recent project from 2024.

EFI system
System Type
Operational
Status
Achieved
Compliance
View Case Study
Abita Brewing — Abita Springs, LA
Beverage / Brewery2025
Abita Springs, LA

Abita Brewing — Abita Springs, LA

EFI installed a new floating cover at this well-known Louisiana craft brewery's wastewater treatment lagoon. Recent 2025 project.

Floating Cover System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Three Mile Canyon — Oregon
Dairy2025
Oregon

Three Mile Canyon — Oregon

EFI performed a cover replacement at Three Mile Canyon, one of the largest dairy operations in Oregon. Recent 2025 project.

Floating Cover System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Tyson Dakota City — Dakota City, NE
Food Processing / Meat Packing2022
Dakota City, NE

Tyson Dakota City — Dakota City, NE

EFI provided geosynthetic cover solutions for Tyson's meat packing facility in Dakota City, Nebraska.

Floating Cover System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Gerben Leyendekker Dairy — California
Dairy2025
California

Gerben Leyendekker Dairy — California

EFI installed a gas collection system at this California dairy operation as part of ongoing biogas capture work. Recent 2025 project with site photos available.

Biogas Collection System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Hollandis Dairy — California
Dairy2025
California

Hollandis Dairy — California

EFI installed gas collection systems at this California dairy as part of biogas capture operations. Recent 2025 project with site photos available.

Biogas Collection System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Double J Dairy — California
Dairy2025
California

Double J Dairy — California

EFI installed gas collection systems at this California dairy operation. Recent 2025 project with site photos available.

Biogas Collection System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Jacobus DeGroote Dairy — California
Dairy2025
California

Jacobus DeGroote Dairy — California

EFI installed gas collection systems at this California dairy. Recent 2025 project with site photos available.

Biogas Collection System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Cloverdale Dairy — California
Dairy2025
California

Cloverdale Dairy — California

EFI installed sludge lines at this California dairy as part of ongoing digester maintenance. Recent 2025 project with site photos available.

Sludge Management System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Rob Van Grouw Dairy — California
Dairy2025
California

Rob Van Grouw Dairy — California

EFI installed gas collection systems at this California dairy as part of biogas capture work. Recent 2025 project with site photos available.

Biogas Collection System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Greif Pulp & Paper
Industrial / Pulp & Paper2025

Greif Pulp & Paper

Cover repair project at the Greif pulp and paper facility in 2025, maintaining odor control and reliable containment of process wastewater.

Floating Cover System
System Type
Operational
Status
Achieved
Compliance
View Case Study
Wayne-Sanderson Hazlehurst — Hazlehurst, GA
Poultry2024
Hazlehurst, GA

Wayne-Sanderson Hazlehurst — Hazlehurst, GA

EFI provided geosynthetic solutions for Wayne-Sanderson's poultry processing facility in Hazlehurst, Georgia. Recent 2024 project.

EFI system
System Type
Operational
Status
Achieved
Compliance
View Case Study
West Virginia University — Morgantown, WV
Institutional / University2024
Morgantown, WV

West Virginia University — Morgantown, WV

EFI fabricated custom panels for West Virginia University. A unique institutional project demonstrating EFI's custom fabrication capabilities.

Custom Fabrication
System Type
Operational
Status
Achieved
Compliance
View Case Study
BGAD Igloos (Blue Grass Army Depot) — Richmond, KY
Military / Government2024
Richmond, KY

BGAD Igloos (Blue Grass Army Depot) — Richmond, KY

Geosynthetic panel fabrication for igloo structures at Blue Grass Army Depot in Richmond, Kentucky, spanning phases V through VIII.

94+ igloos across 4 phases
Scope
View Case Study
SC Pet — H2S Characterization & O2 Injection
Pet Food Processing2023
South Carolina

SC Pet — H2S Characterization & O2 Injection

H2S characterization study and O2 injection system at a pet food processing wastewater facility, demonstrating 78-83% H2S reduction in biogas.

14,000 ppm
Baseline H2S
2,400 ppm
Benchtop H2S
78%
H2S Reduction (Wet Chem)
View Case Study
CalBio Phase 1 — 16-Site Dairy O2 Injection Cluster
Dairy / RNG2021
San Joaquin Valley, CA

CalBio Phase 1 — 16-Site Dairy O2 Injection Cluster

O2 injection systems deployed across 16 dairy digester sites in California's San Joaquin Valley, supporting the largest dairy RNG cluster in the US.

16
Number of Sites
4.16-8.33 SCFM
System Size Range
O-25T / O-50T
Typical Models
View Case Study
Aemetis Borba Dairy — Skidded O2 System
Dairy2026
Hilmar, CA

Aemetis Borba Dairy — Skidded O2 System

Packaged skidded O2 injection system for a single dairy digester, featuring an integrated compressor, dryer, filters, and AirSep oxygen generator on one skid.

2 SCFM
Initial Design
3 SCFM
Final Design
AirSep
Generator
View Case Study
Oliveira Dairy — O2 Addition with Mixer Controls
Dairy2026
Merced County, CA

Oliveira Dairy — O2 Addition with Mixer Controls

O2 injection system with mixer controls added to Oliveira Dairy's covered lagoon digester project, including skid and precision flow measurement.

CO#2 to Job 23788
Project
O2 Skid + Mixer Panels
Components
Rotameters
Flow Measurement
View Case Study
Blue Sky Dairy — O2/Air Injection System
Dairy2026
Kansas

Blue Sky Dairy — O2/Air Injection System

O2 and air injection system evaluation for Blue Sky Dairy's covered lagoon project, added as a change order with budget comparison analysis.

CO#1 to Job 25505
Project
O2 vs Air Injection
Analysis
v3 & v4 with comparison
Budget Versions
View Case Study
La Joya Swine Farm Biodigesters
Swine Farm Biodigesters
Puebla, Mexico

La Joya Swine Farm Biodigesters

Geosynthetic liners and covers for two biodigesters at La Joya, a swine farm in Puebla, Mexico, documented by Environmental Fabrics de Mexico.

2
Biodigesters
6,400 m²
Documented Project Size
1.5 mm (60 mil) HDPE
Material
View Case Study
El Capricho Dairy Farm Biodigester
Dairy Farm Biodigester
Leon, Guanajuato, Mexico

El Capricho Dairy Farm Biodigester

Lagoon lining and floating cover work by Environmental Fabrics de Mexico for the El Capricho dairy farm biodigester in Leon, Mexico.

1,600 m²
Documented Project Size
1.5 mm (60 mil) HDPE
Material
Strickland Engineering
Engineer
View Case Study

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