--- title: Blog description: NUG | Blog --- [![logo-nug](https://info.shenandoahus.com/hubfs/Images/logo-nug.svg)](https://www.nationalu.com/) - [Clean & Inspection](https://www.nationalu.com/clean-and-inspection/) - [Cleaning & Assessment Services](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/) - [CCTV Pipeline and Manhole Inspection & Sewer Lateral Inspection](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/cctvpipeline-and-manhole-inspection/) - [Pipe and High Performance Sewer Cleaning](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/high-performance-pipe-and-sewer-cleaning/) - [Sewer Mainline and Lateral Locates](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/sewer-mainline-and-lateral-locates/) - [GIS Pipeline Mapping Services](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/gis-pipeline-mapping-services/) - [Multi Sensor Inspection (MSI)](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/multi-sensor-inspection/) - [Cross Bore Inspection Services](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/) - [Pre-Construction Mark and Locate](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/pre-construction-mark-and-locate/) - [Post-Construction Inspection](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/post-construction-inspection/) - [Legacy Inspection](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/legacy-inspection/) - [Daylighting](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/daylighting/) - [GIS Data Integration](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/gis-data-integration/) - [Rehabilitation](https://www.nationalu.com/rehabilitation/) - [CIPP Rehabilitation](https://www.nationalu.com/rehabilitation/cipp-rehabilitation/) - [Lateral Connection Seal](https://www.nationalu.com/rehabilitation/lateral-connection-seal/) - [Rehabilitation Support](https://www.nationalu.com/rehabilitation/rehabilitation-support/) - [Turnkey Solutions](https://www.nationalu.com/rehabilitation/turnkey-solutions/) - [Utility Locating](https://www.nationalu.com/utility-locating/) - [Subsurface Utility Engineering (SUE)](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/) - [Subsurface Utility Designation and Mapping](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/subsurface-utility-designation-and-mapping/) - [Subsurface Utility Location/Vacuum Excavation](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/subsurface-utility-location-vacuum-excavation/) - [Ground-Penetrating Radar (GPR) & Private Utility Locating](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/ground-penetrating-radar-and-private-utility-locating/) - [811/Contract Locating](https://www.nationalu.com/utility-locating/811-contract-locating/) - [Technology](https://www.nationalu.com/technology/) - [Markets](https://www.nationalu.com/markets/) - [About](https://www.nationalu.com/about/) - [Management](https://www.nationalu.com/about/management/) - [Insights](https://info.shenandoahus.com/insights) - [Locations](https://www.nationalu.com/about/locations/) - [Careers](https://www.nationalu.com/careers/) - [The National Underground Difference](https://www.nationalu.com/about/the-national-underground-difference/) - Service Lines - [Benchmark](https://www.nationalu.com/about/benchmark/) - [Accumark](https://www.nationalu.com/about/accumark/) - [Tri-State Utilities](https://www.nationalu.com/about/tri-state-utilities/) - [Pro-Pipe](https://www.nationalu.com/about/pro-pipe/) - [Contact Us](https://www.nationalu.com/contact-us/) ### Search Search [Contact Us](https://www.nationalu.com/contact-us/) [![logo-nug](https://info.shenandoahus.com/hubfs/Images/logo-nug.svg)](https://www.nationalu.com/) - [Clean & Inspection](https://www.nationalu.com/clean-and-inspection/) - [See Clean & Inspection](https://www.nationalu.com/clean-and-inspection/) - [Cross Bore Inspection Services](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/) - [See Cross Bore Inspection Services](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/) - [Pre-Construction Mark and Locate](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/pre-construction-mark-and-locate/) - [Post-Construction Inspection](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/post-construction-inspection/) - [Legacy Inspection](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/legacy-inspection/) - [Daylighting](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/daylighting/) - [GIS Data Integration](https://www.nationalu.com/clean-and-inspection/cross-bore-inspection-services/gis-data-integration/) - [Cleaning & Assessment Services](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/) - [See Cleaning & Assessment Services](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/) - [CCTV Pipeline and Manhole Inspection & Sewer Lateral Inspection](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/cctvpipeline-and-manhole-inspection/) - [Pipe and High Performance Sewer Cleaning](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/high-performance-pipe-and-sewer-cleaning/) - [Sewer Mainline and Lateral Locates](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/sewer-mainline-and-lateral-locates/) - [GIS Pipeline Mapping Services](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/gis-pipeline-mapping-services/) - [Multi Sensor Inspection (MSI)](https://www.nationalu.com/clean-and-inspection/cleaning-assessment-services/multi-sensor-inspection/) - [Rehabilitation](https://www.nationalu.com/rehabilitation/) - [See Rehabilitation](https://www.nationalu.com/rehabilitation/) - [Turnkey Solutions](https://www.nationalu.com/rehabilitation/turnkey-solutions/) - [Rehabilitation Support](https://www.nationalu.com/rehabilitation/rehabilitation-support/) - [Lateral Connection Seal](https://www.nationalu.com/rehabilitation/lateral-connection-seal/) - [CIPP Rehabilitation](https://www.nationalu.com/rehabilitation/cipp-rehabilitation/) - [Utility Locating](https://www.nationalu.com/utility-locating/) - [See Utility Locating](https://www.nationalu.com/utility-locating/) - [811/Contract Locating](https://www.nationalu.com/utility-locating/811-contract-locating/) - [Subsurface Utility Engineering (SUE)](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/) - [See Subsurface Utility Engineering (SUE)](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/) - [Subsurface Utility Designation and Mapping](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/subsurface-utility-designation-and-mapping/) - [Subsurface Utility Location/Vacuum Excavation](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/subsurface-utility-location-vacuum-excavation/) - [Ground-Penetrating Radar (GPR) & Private Utility Locating](https://www.nationalu.com/utility-locating/subsurface-utility-engineering-sue/ground-penetrating-radar-and-private-utility-locating/) - [Technology](https://www.nationalu.com/technology/) - [Markets](https://www.nationalu.com/markets/) - [About](https://www.nationalu.com/about/) - [See About](https://www.nationalu.com/about/) - Service Lines - See Service Lines - [Benchmark](https://www.nationalu.com/about/benchmark/) - [Accumark](https://www.nationalu.com/about/accumark/) - [Tri-State Utilities](https://www.nationalu.com/about/tri-state-utilities/) - [Pro-Pipe](https://www.nationalu.com/about/pro-pipe/) - [The National Underground Difference](https://www.nationalu.com/about/the-national-underground-difference/) - [Locations](https://www.nationalu.com/about/locations/) - [Management](https://www.nationalu.com/about/management/) - [Management](https://www.nationalu.com/about/management/) - [Insights](http://info.nationalu.com/insights) - [Contact Us](https://www.nationalu.com/contact-us/) Tailored Solutions - - ### Collaborate, Assess, Recommend & Deliver We tailor our services to meet each client's unique goals and budgetary requirements—without unnecessary delays or workovers. [Ask Us First](https://www.nationalu.com/contact-us/) [Customer Portal](https://Portal.nationalu.com) [![Why Preventive Maintenance Is Cheaper Than Emergency Repair](https://info.shenandoahus.com/hubfs/ProPipe-Blog%20image-Hydro%20Excavation%20vs%20Traditional%20Digging.webp)](https://info.shenandoahus.com/blog/why-preventive-sewer-maintenance-beats-emergency-repair) ## [The Cost of Inaction: Why Preventive Maintenance Is Cheaper Than Emergency Repair](https://info.shenandoahus.com/blog/why-preventive-sewer-maintenance-beats-emergency-repair) ![{{ picture\_of\_text }} {{ content.blog\_author.display\_name }}](https://app.hubspot.com/settings/avatar/d41d8cd98f00b204e9800998ecf8427e) [National Underground Group](https://info.shenandoahus.com/blog/author/national-underground-group) [Blog](https://info.shenandoahus.com/blog/tag/blog) Dec 9, 2025, 9:52:31 AM Every infrastructure manager knows the budget dilemma: spend money now on preventive sewer... [Read more](https://info.shenandoahus.com/blog/why-preventive-sewer-maintenance-beats-emergency-repair) [![](https://info.shenandoahus.com/hubfs/hydro%20excavation.jpeg)](https://info.shenandoahus.com/blog/https/info.nationalu.com/blog/hydro-excavation-vs-traditional-digging-which-method-offers-greater-efficiency-and-safety) ## [Hydro Excavation vs. Traditional Digging: Which Method Offers Greater Efficiency and Safety?](https://info.shenandoahus.com/blog/https/info.nationalu.com/blog/hydro-excavation-vs-traditional-digging-which-method-offers-greater-efficiency-and-safety) ![{{ picture\_of\_text }} {{ content.blog\_author.display\_name }}](https://app.hubspot.com/settings/avatar/d41d8cd98f00b204e9800998ecf8427e) [National Underground Group](https://info.shenandoahus.com/blog/author/national-underground-group) [Blog](https://info.shenandoahus.com/blog/tag/blog) May 1, 2025, 10:29:46 AM When it comes to underground utility work, choosing the right excavation method is critical.... 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