- (a) For each lot in a subdivision where ledge is encountered at less than 4 feet, test pits shall be dug to satisfy the requirements of (c), below. The number of test pits shall be determined by a permitted designer, but in no event shall less than 2 test pits be dug.
- (b) For ISDS, at least one test pit shall be dug at each proposed effluent disposal site.
- (c) For ISDS where ledge is encountered at less than 4 feet, a test pit shall be dug at opposite corners of the disposal area and 35 feet down-slope of the system. If either of the down-slope test pits is less than 3 feet to ledge, then probes shall be required at a 45 degree angle from the bed corners or as required to prove receiving layer requirements.
- (d) All holes dug to test the soil, except for holes dug to determine a wetland boundary in accordance with Env-Wq 1014.03, shall be considered test pits.
Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36