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Dewatering Bags


Bag Filter for Sludge Dewatering Filtration

dewatering bagsDewatering bags are a small and economical solution for any site dealing with storm water runoff, dewatering, or filtration. Easy to install, use, and empty, these bags help remove sediment so that flows from your site remain clear and free from debris. Bags have been effectively used on construction sites, dredging locations, ponds, or in other areas with polluted water.

Silt bags are constructed from an eight ounce (8 oz.) or ten ounce (10 oz.) nonwoven filter fabric that effectively removes items as water filters through the material. Each dewatering bag features a single port that can accommodate hoses up to 4" in diameter.

If you need geotextile bags, give us a call at 1-863-270-8118 or request a quote.

Watch A Dewatering Bag Work!


Dewatering Bags Features


  • Material: Nonwoven Geotextile (8 oz. or 10 oz.)
  • Inlet: Accommodates Pipes or Hoses up to 4 inches
  • Standard and Custom Sizes Available

Dewatering Bags Benefits



Standard Sediment Bags Dewatering Applications


silt filtering bags
  • Site Dewatering
  • Pumping in Trenches
  • Sediment Removal in Small Ponds
  • Dewatering on Municipalities or Power Plants
  • Construction Site Runoff Filtration
  • Sludge Dredging


Have a large dewatering or sludge removal project? Need extra containment in your bags? See our Dewatering Geotextile Tube. Larger in size and capacity, these tubes are able to store significant amounts of material in a single storage container.


Dewatering Bags Technical Specifications

Standard Sizes Nonwoven Filter Fabric Filter Properties* Capacity Guide**
Cubic Yards/Bag
6' x 6' 8 oz. 80 gpm/ft² 1.44
10 oz. 60 gpm/ft²
15' x 10' 8 oz. 80 gpm/ft² 6
10 oz. 60 gpm/ft²
15' x 15' 8 oz. 80 gpm/ft² 9.6
10 oz. 60 gpm/ft²
15' x 20' 8 oz. 80 gpm/ft² 12
10 oz. 60 gpm/ft²
15' x 25' 8 oz. 80 gpm/ft² 15
10 oz. 60 gpm/ft²


*Flow rates are based on fabric ratings. During the dewatering process, times may slow depending on the sediment content of your water and geotextile bag size. Please contact our sales team to discuss pumping rates for the duration of your project.

**Capacity is estimated only and is intended as a guide to users. Volume per bag is dependant on soil composition, site conditions, and use. Information is provided in good faith. Actual field trial are the only true bench mark for site specific results.


Dewatering Bags Disposal

Standard procedure for disposing of dewatering bags involves a process of cutting open the bag and remove/disposing of the sediment. If soil contents are contaminated or should not be disposed of in the area, bags can also be placed in dump trucks, box trucks or dumpsters for easiest transportation to a disposal site.


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Questions about dewatering bags? We can help! Call our team at 1-863-270-8118 or fill out our quote request form to discuss your sludge filtration requirements.