# Geomembrane Market

> Geomembrane market: USD 3.12 billion in 2025, 5.72% CAGR to 2035, as heap leach pads, landfill cells and coal ash closures need more HDPE liner.

Publisher: Douglas Insights  
Author: Douglas Insights Research Desk  
Report code: DI-CM-10504  
Published: 2026-10-07  
Last updated: 2026-10-07  
Next review: Apr 2027  
Page: https://www.douglasinsights.com/geomembrane-market/

## Key figures

| Measure | Value | How it is built |
| --- | --- | --- |
| Market size · 2025 | $3.12 Bn | 1.06 billion square metres x USD 2.94 per square metre = USD 3.12 billion |
| Forecast · 2035 | $5.44 Bn | USD 3.12 billion grown at 5.72% a year for 10 years |
| Revenue CAGR · 2026-2035 | 5.72% | Multiplicative volume and price legs |
| Volume · 2035 | 1.56 billion square metres | 1.06 billion square metres at 3.90% a year |
| Leading segment | HDPE, 47.3% | USD 1.48 billion in 2025; 40 CFR 258.40 names 60-mil HDPE |
| Fastest segment | LLDPE, 6.94% | Landfill caps and coal ash closures need flexible sheet |
| Fastest region | Asia Pacific, 6.71% | USD 1.11 billion in 2025 to USD 2.12 billion in 2035 |
| Market leader | Solmax, 13.8% est. | Douglas Insights estimate; top three hold 31.6% |
| Event | 8 May 2024 | EPA legacy CCR rule published, effective 4 November 2024 |

## Key takeaways

- Geomembrane revenue is USD 3.12 billion in 2025 and USD 5.44 billion by 2035, a 5.72% CAGR.
- 1.06 billion square metres sell at an average ex-works USD 2.94 per square metre in 2025.
- HDPE holds 47.3% of value; LLDPE grows fastest at 6.94% a year.
- Asia Pacific leads with 35.4% of 2025 value and grows 6.71% a year.
- Mining heap leach pads add 1.37 of the 3.90 volume points, the largest single driver.

How big is the geomembrane market? USD 3.12 billion in 2025, rising to USD 5.44 billion by 2035 at a 5.72% revenue CAGR. The geomembrane market covers factory-made polymer sheets of very low permeability that line landfill cells, mine heap leach pads, reservoirs, canals, ponds and coal ash units. Douglas Insights builds the figure from 1.06 billion square metres sold at an average ex-works USD 2.94 per square metre, which equals USD 3.12 billion. Regulation sets the floor: the US Environmental Protection Agency (EPA) [rule on legacy coal combustion residuals (CCR) surface impoundments](https://www.federalregister.gov/documents/2024/05/08/2024-09157/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric-utilities-legacy-ccr) was published on 8 May 2024 and took effect on 4 November 2024, carrying annualised compliance costs of USD 214 million to USD 240 million. The study belongs to our [construction materials](https://www.douglasinsights.com/industry/chemicals-materials/construction-materials/) coverage, and every input is listed in our [research methodology](https://www.douglasinsights.com/research-methodology/).

## How much does a square metre of geomembrane cost in 2025, ex-works and installed?

USD 2.94 per square metre is the 2025 global ex-works average for geomembrane in our model, while installed US landfill bids run from USD 5.92 to USD 10.76 per square metre. Installation, welding, testing and contractor margin roughly double the sheet price, so buyers should compare both figures.

Two public bid tabulations give the installed geomembrane benchmark. In Deschutes County's [Knott Landfill Cell 9 tender](https://www.deschutescounty.gov/sites/default/files/fileattachments/solid_waste/page/26854/knott_landfill_-_cell_9_project_-_bid_tabulation_-_10-4-23.pdf), opened on 4 October 2023, seven contractors priced 570,000 square feet of geomembrane at USD 0.82 to USD 1.00 per square foot, or USD 8.83 to USD 10.76 per square metre. The median bid was USD 0.85 per square foot, equal to USD 9.15 per square metre. The same tender priced geosynthetic clay liner at USD 0.90 to USD 1.15 per square foot, which is USD 9.69 to USD 12.38 per square metre.

A newer tab is cheaper. [Defiance County's 2025 Phase 7 bid tabulation](https://www.defiance-county.com/engineer/2025%20Phase%207%20bid%20tab.pdf) priced 364,000 square feet of 60 MIL HDPE liner at USD 0.55 to USD 0.67 per square foot from three bidders. Converted, that is USD 5.92 to USD 7.21 per square metre installed.

Douglas Insights puts the regional ex-works averages at USD 2.33 per square metre in Asia Pacific, USD 3.82 in North America, USD 3.56 in Europe, USD 2.83 in Latin America and USD 2.66 in the Middle East and Africa. Thicker 60-mil sheet, textured faces and conductive layers sit at the top of each band. Thin agricultural and aquaculture liners sit at the bottom. The geomembrane price leg grows 1.75% a year, taking the global average to USD 3.50 per square metre by 2035.

| Geomembrane price point | Basis | USD per square metre |
| --- | --- | --- |
| Global ex-works average, 2025 | Douglas Insights model | 2.94 |
| Asia Pacific ex-works | Douglas Insights model | 2.33 |
| North America ex-works | Douglas Insights model | 3.82 |
| 60 MIL HDPE liner, installed | Defiance County 2025 bids | 5.92 to 7.21 |
| Geomembrane, installed | Knott Landfill Cell 9 bids, 2023 | 8.83 to 10.76 |
| Global ex-works average, 2035 | Douglas Insights model | 3.50 |

## What does the geomembrane market include, from heap leach pads to canal linings?

Geomembranes are continuous polymer sheets, usually 0.5 mm to 3.0 mm thick, installed as a hydraulic barrier; the market totals 1.06 billion square metres in 2025. Sheet sold for mining, landfills, water storage, agriculture and coal ash is counted; roofing membranes and woven geotextiles are not.

Five polymer families are in scope: high-density polyethylene (HDPE), linear low-density polyethylene (LLDPE), polyvinyl chloride (PVC), ethylene propylene diene monomer (EPDM) and other rubber, and reinforced polypropylene and other coated fabrics. Three processes make them: extrusion, calendering and coating. Extrusion turns out most polyethylene geomembrane; calendering serves PVC; coating serves scrim-reinforced sheet. Five application groups are tracked: mining heap leach and tailings, landfill and waste containment, water storage and canals, agriculture and aquaculture, and coal ash and energy. Separation and filtration fabrics are covered in our [Geotextiles Market](https://www.douglasinsights.com/geotextiles-market/) report, and liquid-applied roof and deck barriers in the [Polyurethane Waterproof Coating Market](https://www.douglasinsights.com/polyurethane-waterproof-coating-market/) study.

## Which polymer leads geomembrane sales: HDPE, LLDPE or PVC?

HDPE leads with 47.3% of 2025 geomembrane revenue, or USD 1.48 billion, because 40 CFR 258.40 names 60-mil HDPE for US municipal landfill composite liners and miners specify it for acid leach pads. LLDPE grows fastest, at 6.94% a year to 2035.

| Geomembrane polymer | Share 2025 | Value 2025 (USD million) | Growth 2026-2035 | Value 2035 (USD million) |
| --- | --- | --- | --- | --- |
| HDPE | 47.3% | 1,476.4 | 5.71% | 2,572.6 |
| LLDPE | 18.6% | 580.6 | 6.94% | 1,135.7 |
| PVC | 15.9% | 496.3 | 4.21% | 749.6 |
| Reinforced polypropylene and other | 10.8% | 337.1 | 6.38% | 625.7 |
| EPDM and other rubber | 7.4% | 231.0 | 4.86% | 371.3 |

HDPE geomembrane is worth USD 1.48 billion and climbs to USD 2.57 billion by 2035, since its chemical resistance suits cyanide and sulphuric acid leach solutions. LLDPE geomembrane, at USD 580.6 million, takes 18.6% because its higher elongation tolerates settlement in landfill caps and coal ash closures. Douglas Insights expects LLDPE to reach USD 1.14 billion in 2035 as closure-in-place work under the CCR rules lifts cap area. PVC geomembrane holds 15.9%, or USD 496.3 million, because prefabricated panels cut field seaming on ponds and decorative water features; its 4.21% growth is the slowest. Reinforced polypropylene and other coated sheets carry USD 337.1 million, a 10.8% share, owing to floating covers and redeployable tanks; they grow 6.38%. EPDM and other rubber geomembranes, at USD 231.0 million or 7.4%, win exposed reservoir and fish-farm work where UV life matters.

By process, extrusion produces about 71.2% of geomembrane area in our model, calendering 16.4% and coating 12.4%. By application, mining heap leach and tailings take USD 1.05 billion, landfill and waste containment USD 777.2 million, water storage and canals USD 599.3 million, agriculture and aquaculture USD 362.1 million, and coal ash and energy USD 330.9 million.

## Why are mine heap leach pads and landfill cells lifting geomembrane demand?

Four end uses add 3.90 points a year of geomembrane volume growth: mining 1.37 points, landfill and coal ash 1.08, water storage 0.91 and agriculture 0.54. Together they lift area from 1.06 billion square metres in 2025 to 1.56 billion in 2035.

### Mining: 1.37 points

Heap leach pads and tailings storage facilities are the largest geomembrane users, at USD 1.05 billion or 33.7% of 2025 value. A single copper or gold leach pad can need several million square metres of HDPE or LLDPE, laid in phases as the pad grows. Lithium brine evaporation ponds add another lined surface, a theme traced in our [Lithium Mining Market](https://www.douglasinsights.com/lithium-mining-market/) study. Mining supplies 35.1% of the volume leg, the largest single contribution. Douglas Insights tallies about 174 million square metres of extra geomembrane area from mining between 2025 and 2035, more than any other end use. Copper, gold and lithium projects in Latin America and the Middle East and Africa explain why those two regions grow at 6.08% and 6.41%.

### Landfill and coal ash: 1.08 points

US federal rules write the geomembrane into every new municipal landfill cell. [40 CFR 258.40](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-I/part-258/subpart-D/section-258.40) requires a composite liner with a flexible membrane liner (FML) of at least 30 mil, or 60 mil if the sheet is HDPE, over two feet of compacted soil with hydraulic conductivity no higher than 1 x 10-7 cm per second. The EPA counted 146.1 million tons of municipal solid waste (MSW) landfilled in 2018, 50% of the 292.4 million tons generated, and each ton needs lined airspace. Coal ash adds a second wave: the [legacy CCR rule](https://www.federalregister.gov/documents/2024/05/08/2024-09157/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric-utilities-legacy-ccr), effective 4 November 2024, brings inactive ponds at closed power plants into the closure and monitoring regime, with an EPA estimate of USD 123 million to USD 135 million a year for legacy impoundments alone.

### Water storage and agriculture: 0.91 and 0.54 points

Reservoirs, canal linings, stormwater basins and potable water tanks grow geomembrane use by 0.91 points, as utilities line earth canals to cut seepage losses. Seaman Corporation, for example, sells an NSF 61 approved potable water geomembrane, XR-PW. Agriculture and aquaculture, worth USD 362.1 million, add 0.54 points through manure lagoons, irrigation ponds and shrimp farms that use thin LLDPE and PVC geomembrane rolls. These liners are short-lived, often 0.5 mm to 1.0 mm thick, so replacement cycles add repeat orders. Water storage alone is a USD 599.3 million geomembrane application in 2025.

## What slows geomembrane growth: resin swings, welding crews or coal ash delays?

Three drags remove 0.92 points a year from a gross geomembrane volume rate of 4.82%: resin cost swings take 0.42 points, installer and welding crew capacity 0.31, and coal ash deadline extensions 0.19. The 3.90% net leg already reflects them.

Polyethylene resin is the largest cost in an HDPE or LLDPE geomembrane roll, so resin spikes push owners to defer cells or thin specifications. Douglas Insights models that drag at 0.42 points a year, worth about 4.5 million square metres of 2026 geomembrane volume.

Field crews are the second bottleneck. Every geomembrane seam is fusion or extrusion welded and tested, so a shortage of certified welders caps how many square metres a season can install. We remove 0.31 points for that limit.

Regulatory timing is the third. On 22 July 2025 the EPA [proposed a 12-month extension](https://public-inspection.federalregister.gov/2025-13697.pdf) of CCR management unit deadlines, letting facilities finish Facility Evaluation Report Part 2 by 8 February 2028. Later evaluations slip coal ash closure geomembrane orders, a 0.19-point drag on the forecast.

## Who supplies the world's HDPE liner rolls, and how concentrated are geomembrane manufacturers?

Solmax holds an estimated 13.8% share of 2025 geomembrane revenue, and the top three suppliers hold 31.6%, by Douglas Insights estimates based on plant footprint and product breadth. None of the leaders discloses geomembrane revenue, so these shares are modelled.

Solmax, headquartered in Longueuil, Quebec, is the scale leader in polyethylene geomembrane. Its [25 September 2025 release](https://www.solmax.com/uk/en/news/strategic-facility-consolidation-and-leadership-momentum-drive) announced a facility consolidation; trade press reported the next day that its Kingstree, South Carolina plant would close by the end of 2025, with output moved to Spearfish, South Dakota and Ringgold, Georgia, cutting its American plants from 7 to 6. AGRU, the Austrian parent of AGRU America, runs US geomembrane production in South Carolina and Fernley, Nevada. Atarfil of Granada, Spain, makes HDPE, LLDPE, VLDPE and polypropylene geomembrane on machines of its own design and sells in more than 60 countries. Naue sells Carbofol geomembranes alongside Bentofix geosynthetic clay liners, so it can supply a full composite liner. Seaman Corporation of Wooster, Ohio, founded in 1949, makes XR coated-fabric geomembranes for industrial containment and potable water. Viaflex of Sioux Falls, South Dakota, sells Dura-Skrim reinforced geomembranes and installs through its Colorado Lining International subsidiary. Plastika Kritis, listed in Athens since May 1999, brings agricultural film scale and a distribution network in more than 50 countries.

| Geomembrane supplier | Base | Position built on | Estimated 2025 share |
| --- | --- | --- | --- |
| Solmax | Canada | Global polyethylene sheet plants | 13.8% |
| AGRU | Austria and US | HDPE and LLDPE extrusion | 9.6% |
| Atarfil | Spain | In-house machine design, 60+ countries | 8.2% |
| Naue | Germany | Composite liner kits | 5.1% |
| Seaman Corporation | US | Coated-fabric XR sheet | 2.7% |
| Viaflex | US | Reinforced sheet and installation | 2.3% |

## Where does geomembrane spending grow fastest, Asia Pacific or the Americas?

Asia Pacific leads with USD 1.11 billion, 35.4% of 2025 geomembrane revenue, and grows fastest at 6.71% a year to USD 2.12 billion in 2035. Landfill construction, reservoir building and aquaculture ponds across China and India drive that pace.

| Geomembrane region | 2025 (USD million) | 2026 (USD million) | 2035 (USD million) | CAGR |
| --- | --- | --- | --- | --- |
| Asia Pacific | 1,105.0 | 1,179.1 | 2,115.5 | 6.71% |
| North America | 845.9 | 887.6 | 1,368.7 | 4.93% |
| Europe | 705.4 | 738.0 | 1,108.1 | 4.62% |
| Latin America | 259.1 | 274.9 | 467.5 | 6.08% |
| Middle East and Africa | 206.0 | 219.2 | 383.3 | 6.41% |

North America holds USD 845.9 million and grows 4.93%, anchored by 40 CFR 258 landfill cells and coal ash closures. Europe, at USD 705.4 million, grows 4.62% as landfill volumes fall but capping and water storage geomembrane work continues. Latin America reaches USD 467.5 million by 2035 at 6.08%, carried by copper and lithium mining heap leach and brine pond work. The Middle East and Africa, worth USD 206.0 million, is the wildcard at 6.41%: desalination brine ponds and gold heap leaching can swing geomembrane orders by whole projects.

## Which liner rules fix geomembrane thickness, from 40 CFR 258 to the CCR regime?

Two US federal rule sets govern most regulated geomembrane area: 40 CFR 258.40 sets a 60-mil minimum for HDPE landfill liners, and the CCR rules extend liner, closure and monitoring duties to coal ash units. Mining permits add site-specific liner rules.

Under [40 CFR 258.40](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-I/part-258/subpart-D/section-258.40), the geomembrane must sit in direct and uniform contact with the compacted soil layer. That single sentence explains why HDPE dominates US landfill work: the 60-mil minimum favours the polymer with the most installed history. The legacy CCR rule, published on 8 May 2024 in the [Federal Register](https://www.federalregister.gov/documents/2024/05/08/2024-09157/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric-utilities-legacy-ccr), applies to utilities generating power on or after 19 October 2015 and puts annualised costs for CCR management units at USD 79 million to USD 92 million. Douglas Insights counts coal ash and energy as a USD 330.9 million geomembrane segment in 2025.

## What if mining capex stalls: how far does the geomembrane forecast for 2035 move?

The 2035 geomembrane forecast spans USD 4.46 billion in the slower case to USD 6.44 billion in the faster case, around a USD 5.44 billion base. Volume growth decides most of the gap, since mining alone carries 1.37 points.

| Geomembrane scenario | Volume leg | Price leg | Revenue CAGR | 2035 value |
| --- | --- | --- | --- | --- |
| Slower | 2.60% | 1.00% | 3.63% | USD 4.46 billion |
| Base case | 3.90% | 1.75% | 5.72% | USD 5.44 billion |
| Faster | 5.10% | 2.30% | 7.52% | USD 6.44 billion |

In the slower case, metal prices cut heap leach expansions and further coal ash delays follow the 22 July 2025 [EPA proposal](https://public-inspection.federalregister.gov/2025-13697.pdf), so geomembrane area grows 2.60% a year. In the faster case, lithium and copper projects proceed and canal lining programmes scale, lifting volume to 5.10%. A 1-point rise in the volume rate adds USD 547.2 million to the 2035 geomembrane figure; a 1-point fall removes USD 501.7 million. Five published forecasts put geomembrane growth between 5.1% and 7.6% a year. Our 5.72% sits in the lower half of that band.

## Douglas Exclusive: the Geomembrane Containment Atlas

The Geomembrane Containment Atlas is a Douglas Insights model, not an official register, built from 18 sourced inputs. Those are 10 contractor bid prices from two US tenders, 5 published growth rates, 2 federal rules and 1 EPA waste statistic. It maps 2025 geomembrane area by region at regional ex-works prices.

| Region | Geomembrane area 2025 (million square metres) | Ex-works price (USD per square metre) | Lead application |
| --- | --- | --- | --- |
| Asia Pacific | 473.3 | 2.33 | Landfill and waste containment |
| North America | 221.2 | 3.82 | Landfill and coal ash |
| Europe | 198.1 | 3.56 | Water storage and canals |
| Latin America | 91.5 | 2.83 | Mining heap leach and tailings |
| Middle East and Africa | 77.6 | 2.66 | Mining and brine ponds |

The finding is a split between area and value. Asia Pacific lays 44.6% of the world's geomembrane area but earns 35.4% of value, because its average sheet sells at USD 2.33 against USD 3.82 in North America. North America has 20.8% of area and 27.1% of value. For a resin supplier, Asia is the tonnage market; for a textured or conductive-layer specialist, North America and Europe pay the premium.

## Geomembrane methodology: how do square metres and bid prices add up?

1.06 billion square metres multiplied by USD 2.94 per square metre equals USD 3.12 billion in 2025, or exactly 1,061.7 times 2.94. Five regional models, five polymer segments and five application groups all sum to that geomembrane total.

Area grows at 3.90% a year to 1.56 billion square metres; price grows at 1.75% to USD 3.50. Combined, (1.039 x 1.0175) minus 1 gives 5.72% a year and USD 5.44 billion in 2035. Regional areas come from regional values divided by regional prices, scaled to the 1.06 billion square metre total. Cross-check one: two published 2025 geomembrane sizes of USD 2.6 billion and USD 3.79 billion bracket ours, which sits 20.1% above the lower and 17.6% below the upper. Cross-check two: the lowest 2025 US installed bid, USD 5.92 per square metre, is 2.01 times our ex-works average, consistent with installation and welding about doubling sheet cost. Cross-check three: our 5.72% CAGR sits inside the 5.1% to 7.6% published band.

## Which geomembrane applications add the most square metres by 2035: mining, water or coal ash?

Mining heap leach and tailings add the most geomembrane area, about 174 million square metres by 2035, because 1.37 of the 3.90 volume points come from leach pads and tailings dams. Landfill and coal ash work adds about 137 million.

Water storage and canals add about 115 million square metres of geomembrane, and agriculture and aquaculture about 69 million. Mining carries 33.7% of 2025 value, landfill and waste containment 24.9%, water storage and canals 19.2%, agriculture and aquaculture 11.6%, and coal ash and energy 10.6%. For a buyer choosing where to sell sheet, the leach pad is the single largest geomembrane order in the market.

## Market by segment

| Segment | Share | Value |
| --- | --- | --- |
| HDPE | 47.3% | $1,476.4 Mn |
| LLDPE | 18.6% | $580.6 Mn |
| PVC | 15.9% | $496.3 Mn |
| Reinforced polypropylene and other | 10.8% | $337.1 Mn |
| EPDM and other rubber | 7.4% | $231.0 Mn |

## Market by region (USD million)

| Region | 2025 | 2026 | 2035 | CAGR 2026-2035 |
| --- | --- | --- | --- | --- |
| Global | 3,121.4 | 3,299.9 | 5,443.1 | 5.72% |
| Asia Pacific | 1,105 | 1,179.1 | 2,115.5 | 6.71% |
| North America | 845.9 | 887.6 | 1,368.7 | 4.93% |
| Europe | 705.4 | 738 | 1,108.1 | 4.62% |
| Latin America | 259.1 | 274.9 | 467.5 | 6.08% |
| Middle East and Africa | 206 | 219.2 | 383.3 | 6.41% |

## Dataset

| Series | Value | Unit |
| --- | --- | --- |
| Market size 2025 | 3,121.4 | USD million |
| Market size 2035 | 5,443.1 | USD million |
| Revenue CAGR 2026-2035 | 5.72 | percent |
| Volume CAGR 2026-2035 | 3.9 | percent |
| Price per square metre CAGR 2026-2035 | 1.75 | percent |

## Frequently asked questions

### What does a square metre of installed HDPE landfill liner cost in the US?

USD 5.92 to USD 7.21 per square metre in a 2025 county bid tab for 60 MIL HDPE liner, against USD 8.83 to USD 10.76 in a 2023 Knott Landfill tender.

### What is the average ex-works geomembrane price used in the model?

USD 2.94 per square metre in 2025, rising 1.75% a year to USD 3.50 by 2035; Asia Pacific averages USD 2.33 and North America USD 3.82.

### How much geomembrane area is sold each year?

1.06 billion square metres in 2025, rising to 1.56 billion square metres in 2035 as volume grows 3.90% a year.

### What will geomembrane revenue be in 2035?

USD 5.44 billion in the base case, up from USD 3.12 billion in 2025, a 5.72% revenue CAGR; the slower case gives USD 4.46 billion and the faster USD 6.44 billion.

### Why does HDPE dominate geomembrane sales?

47.3% of 2025 revenue, or USD 1.48 billion, sits in HDPE because US landfill rules name 60-mil HDPE and leach pads need its chemical resistance.

### Which end use adds the most geomembrane volume?

1.37 of the 3.90 volume points come from mining heap leach pads and tailings, the largest application at USD 1.05 billion in 2025.

### Who is the largest geomembrane supplier?

13.8% of 2025 revenue is the Douglas Insights estimate for Solmax; the top three suppliers hold 31.6%, with AGRU and Atarfil next.

### Why is Asia Pacific the growth engine for liner sheet?

6.71% a year, the fastest regional rate, taking Asia Pacific from USD 1.11 billion to USD 2.12 billion by 2035 on landfill, reservoir and aquaculture work.

## Sources

- [US EPA, Federal Register, Legacy CCR surface impoundments final rule](https://www.federalregister.gov/documents/2024/05/08/2024-09157/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric-utilities-legacy-ccr)
- [US EPA, Federal Register, CCR management unit deadline extension proposal](https://public-inspection.federalregister.gov/2025-13697.pdf)
- [eCFR, 40 CFR 258.40 design criteria](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-I/part-258/subpart-D/section-258.40)
- [Deschutes County, Knott Landfill Cell 9 bid tabulation](https://www.deschutescounty.gov/sites/default/files/fileattachments/solid_waste/page/26854/knott_landfill_-_cell_9_project_-_bid_tabulation_-_10-4-23.pdf)
- [Defiance County, 2025 Phase 7 bid tabulation](https://www.defiance-county.com/engineer/2025%20Phase%207%20bid%20tab.pdf)
- [Solmax, Facility consolidation release](https://www.solmax.com/uk/en/news/strategic-facility-consolidation-and-leadership-momentum-drive)
- [US EPA, National overview: facts and figures on materials, wastes and recycling](https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/national-overview-facts-and-figures-materials)

## How to cite

Douglas Insights, "Geomembrane Market", DI-CM-10504, updated 2026-10-07, https://www.douglasinsights.com/geomembrane-market/