In Pennsylvania - we have =-  Evapotranspiration System- The Non-infiltration, Evapotranspiration Bed Contained Within a Greenhouse  https://bfenvironmental.com/septic-sytems/evapotranspiration-system.html

Published October 3, 2023 06:06 by Brian oram, Geologist, Soil Scientist, Owner at B.F. Environmental Consultants, Inc