Knowledgebase
Welcome to the BTL Knowledgebase. Ever since we started lining ponds, creating covers, and helping people with their projects, we've gotten asked a lot of questions. Many of these questions are repeatedly asked, so we put together the BTL knowledgebase to help answer any questions you had about a particular subject. We are adding new questions every month, so continue to check back often!
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is groundwater salty or fresh?
Groundwater can be both salty or freshwater, but the vast majority of water found in the soil is fresh and suitable for human use.
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is groundwater the same as the water table?
Groundwater is found underneath the water table.
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where is groundwater stored?
Groundwater is found in open spaces between rocks and within porous sediment itself under the ground.
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Is groundwater part of the water cycle?
Yes! Groundwater is sourced from precipitation and run-off soaking into soil, it then either discharges via lakes and streams, or is stored within the saturated zone under the earth.
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how long can groundwater be stored?
Groundwater within aquifers can stay underground for 100s of years.
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how do you preserve groundwater?
Protecting groundwater involves careful containment of any chemicals, fuels, or waste that may find its way through the soil into the groundwater.
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where does groundwater come from?
Groundwater comes from precipitation and runoff that trickles into soil and earth.
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Can you use groundwater in irrigation?
Yes! Nearly 53% of groundwater pumped in the US is used for agricultural purposes.
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What happens when you deplete an aquifer?
A depleted aquifer can affect the entire water table around it, resulting in lower lake levels, or even completely dry streams.
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Is groundwater clean?
Groundwater gets heavily filtered as it seeps through soil and small particles of rock, however, some chemicals and contanimants can survive through this filtering, and stay within the groundwater.
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Are there limits on drawing groundwater?
Underground aquifers can be depleted if too much water is pulled out without being recharged.
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What affects groundwater quality?
Groundwater quality can be affected by chemicals and pollutants filtering through the soil, as well as structural failure if too much water is pulled out without being replenished.
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How is groundwater stored underground?
Groundwater is found naturally within aquifers underneath the ground, these are spaces and holes between impermeable rocks or sediment where water is captured.
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What is an aquifer?
An aquifer is a section of porous rock or sediment found underneath the earth that is completely saturated with groundwater.
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Is groundwater a good source of water?
Water found underground has often been naturally filtered as its passed through sediment and soil.
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How is groundwater stored?
Typically, groundwater is found in underground aquifers made by porous, permeable rock.
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What is underground water storage called?
Water can be stored in naturally occuring aquifers, or in tanks and cisterns placed underground.
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Why store groundwater?
Groundwater can be stored and used for variety of purposes, including drinking water, irrigation, and more.
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What is groundwater?
Groundwater is found underneath the water table, where it fills in the pores and spaces between rocks, soil, clay, and sand.
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Does a natural swimming pool require a permit?
A natural swimming pond requires the same permissions and permits as a traditional chlorine pool.
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Should you skim a natural pool?
Periodic skimming will remove any debris from your pool like leaves, twigs, other plant life, or algae.
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Does a natural pool need chemicals?
A natural pool with the proper filtration system should require no use of outside chemicals.
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Is a natural pool more expensive?
A natural pool may cost more than a standard pool when it comes to initial investment, but will be much easier and cheaper to maintain in the long run.
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