Wisconsin DNR Draft Technical Standard 1072 Horizontal Directional Drilling is available for Broad Review.  The deadline to submit comments has been extended to March 28, 2022.


Horizontal directional drilling (HDD) is often used to avoid or minimize impacts to wetlands, waterways, roads, and other surface features.  During HDD operations, there is a risk of inadvertent release (IR) of drilling fluid that can impact water resources.  The draft WDNR Technical Standard 1072 HDD identifies planning and implementation practices to protect water quality by reducing the risk of IR of drilling fluid and limiting the impact to water resources if an IR does occur.  The draft standard was created by a technical team that examined existing research, considered new technologies, proposed criteria, and considered input from experts. We are now