How to Run a Percolation Test Part 3
The following steps outline the procedure for performing a Percolation Test. This is part 3 in our series on How to Run a Percolation Test. These steps should follow the previous steps taken from part 1 of our series on How to Run a Percolation Test.
The following is a summary of when and how a perc test may be failed during the presoak.
- No 48-inch test hole dug.
- Evidence of seasonal high water table within 24 inches of the surface. (The test may be continued, but only at the request of the tester.)
- Improper presoaking - less than 12 inches of water in any test hole at any time.
- Filled lots when the Health Department has not been previously notified.
- Isolation distances or other location problems with the test area.
- There is evidence of impropriety.
The following is a summary of how and when a perc test may be failed during the test itself.
- At least half of the test holes fail to drop one inch or more in any of the hourly readings.
- There is evidence of impropriety.