impermeable strata definition
impermeable strata means bedrock, clay or other soil strata with a percolation rate slower than 120 minutes per inch;
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Related to impermeable strata
impermeable surface means a surface or pavement constructed and maintained to a standard sufficient to prevent the transmission of liquids beyond the pavement surface, and should be read in conjunction with the term “sealed drainage system” (below).
Controlled substance analog means a substance the chemical structure of which is substantially
Sedimentation means a process for removal of solids before filtration by gravity or separation.
Permeable pavement means paving material that absorbs water or allows water to infiltrate through the paving material. Permeable pavement materials include porous concrete, permeable interlocking concrete pavers, concrete grid pavers, porous asphalt, and any other material with similar characteristics. Compacted gravel shall not be considered permeable pavement.
Navigable waters ’ means the waters of the United States, including the territorial sea;