Impervious strata definition
Impervious strata means a layer that prevents water or root penetration. In addition, it shall be defined as unsuitable soils or soils having a percolation rate slower than 60 minutes per inch for conventional systems.
Impervious strata means soil or soil materials with an estimated or measured percolation rate in excess of 120 minutes per inch.
Impervious strata means a layer which prevents water or root penetration. In addition, it shall be defined as having a percolation rate greater than 60 minutes per inch.
More Definitions of Impervious strata
Impervious strata means soil or soil materials with an estimated or measured percolation rate in excess of 120 minutes per inch, including lithic rock, paralithic rock and CR horizons.
Impervious strata means soil or soil materials with an estimated or measured percolation
Impervious strata means soil or soil materials with an estimated or measured percolation rate in
Impervious strata means a layer of earth that prevents or slows water or root penetration and has a percolation rate greater than sixty (60) minutes per inch.
Impervious strata means a layer that prevents water or root penetration. In addition, it shall be defined as
Impervious strata means a layer which prevents water bacteria, parasites, toxic chemicals and radioactive isotopes. A or root penetration. In addition, it shall be defined as having a malfunctioning individual wastewater disposal system constitutes percolation rate greater than 60 minutes per inch. a public health hazard.