15 x 25 Dewatering Bag for
Pumping a Pond
Question: Do you have a sediment bag for pumping a pond? I am looking for information on the 15' x 25' bag. This is to pump sediment from a pond. Also, are these bags reusable? If not, is that the largest size you have?
Answer:
Thank you for your inquiry! I'd be happy to tell you about our 15' x 25' sediment filter bag. This dewatering bag is designed for the storage of sediment, silt, sand and other materials during a dewatering project. This size dewatering bag is the largest standard size that we offer. However, larger bags can be created upon request.
Dewatering bags should be sized based on the volume of water being pumped (pump flow rate), quantity and type of sediment and the permittivity of the given bag size.
Dewatering Bag Reuse
It is typically not recommended to reuse a standard dewatering bags. It is best to dispose of them when the sediment level reaches 50% of capacity. In theory, you could reuse the bags if you want to do the work. You would have to open, shovel, dispose, and then re-sew the bags, but again, it is not recommended.
While not currently shown on our website, we do offer reusable bags in our GEI webstore! These bags come with a hole pre-built into the material. Holes are then closed using included retainers.
These retainers shut the end of the bag during use so sediment cannot escape. Please ask us about these bags or visit our store at graniteenvironmentalstore.com.
Our sediment bags are fabricated using heavy duty needle punched filter fabric (non-woven geotextile) which provides high permittivity (water flow) and a fine pore structure that allows water to flow through freely, while preventing fine soils from piping through. Other options are woven Monofilament (polypro or PE), which are ideal for high flow, rugged, high tensile applications.
A sediment bag is an economical effective way to keep within NPDES phase II and Clean Water Act compliance and avoid shut downs and/or fines for not removing material like sediment and organics from pumped water and possibly exceeding TSS permit levels.
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If you have any additional questions, please contact our Granite Environmental sales team at +1 (772) 646-0597 or TOLL FREE at: (+1) 888-703-9889
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