The following methods shall be acceptable methods for infiltrating groundwater, provided that all method-specific criteria are met:

1. (a) Infiltration practices in accordance with Env-Wq 1508.07;
2. (b) Filtering practices in accordance with Env-Wq 1508.08 that infiltrate into the native soil below the practice; and

3. (c) Other groundwater recharge practices, including but not limited to permeable surfaces, modular concrete paving blocks, modular concrete or plastic lattice, cast-in-place concrete grids, soil enhancement technologies, and other materials such as gravel, cobbles, wood, mulch, brick, or natural stone, provided that the following criteria are met:

   1. (1) The practice shall completely drain within 72 hours;
   2. (2) Bedrock and the SHWT shall be at least one foot below the base of the practice; and
   3. (3) Prior to adding a factor of safety, the underlying soil has a design infiltration rate of 0.5 inches per hour or more, as calculated pursuant to Env-Wq 1504.14.

Source. #9343, eff 1-1-09; ss by #12342 (formerly Env-Wq 1508.15); ss by #13758, eff 9-28-23 (formerly Env-Wq 1508.16); ss by #14472, eff 1-19-26, EXPIRES: 1-19-36