leaching basin

leaching basin

A drainage pit with sand and gravel sides constructed to allow water to dissipate.
References in periodicals archive ?
item, removal; 116 SY aggregate, base, 6"; 3,663 SY aggregate, base, 8" 331 Sta trenching, modified; 50 LF of sewer, CI IV, 12", Tr Det B; 4 EA 48" leaching basin; 34,168 SY cold milling HMA surface; 10 TN hand patching; 1,952 LF of curb & gutter, conc, Det C4.
smooth interior corrugated polyethylene culvert and storm sewer, altering drainage structures, leaching basins and manholes.
The project allows the District to clean its drainage system and nearly 35,000 catch basin and leaching basins and proper disposal of the sediments.