Hydro excavation is appropriate for potholing use throughout the year as heated h2o can be employed in frozen floor problems. Caution must be taken when employing h2o vacuum excavation given that the large force may result in damage to cables and pipelines. Drinking water vs. Air: Hydro excavation employs h2o https://digitalasset.sfo2.digitaloceanspaces.com/Bess-Utility-Solutions-Hayward/Potholing-Utilities.html