Question:Given your recent column arguing it is unnecessary to run perforated pipe the entire length of a trench, why do states still require installers continue this practice? Answer:For whatever reason, some rules that should be changed take a long time to get changed. I think this is particularly true with state regulations. If installers ask enough questions about these regulations, the process of change may be made faster. Hopefully, my columns in Pumper will be read by staff members at state regulatory agencies. They may possibly conduct some basic tests as I did, which will show trenches do not require














