--- title: What is GIS...Really? description: Discover how GIS mapping helps water and wastewater utilities manage underground infrastructure, improve asset data, and make smarter decisions with Wessler GIS expert Aaron Andrews. --- Share this ArticleLike this article? Email it to a friend! Friend's Email Address Your Name Your Email Address Comments Send Email Email sent! ![facebook](https://www.facebook.com/tr?id=314229042108894&ev=PixelInitialized) [** Back to All Blog Posts](https://info.wesslerengineering.com/blog) # What is GIS...Really? [Facebook0](https://www.facebook.com/sharer/sharer.php?u=https://info.wesslerengineering.com/blog/gis-geographic-information-system&display=popup&ref=plugin&src=share_button) [Tweet0](https://twitter.com/share?url=https://info.wesslerengineering.com/blog/gis-geographic-information-system&text=MS4%20Training%20%E2%80%93%20Pollution%20Prevention%20%26%20Good%20Housekeeping%20Part%20I) [LinkedIn0](https://www.linkedin.com/shareArticle?mini=true&url=https://info.wesslerengineering.com/blog/gis-geographic-information-system) [Email0](https://info.wesslerengineering.com/blog/gis-geographic-information-system#shared-counts-email) Posted By Aaron Andrews on April 10, 2026     *Aaron Andrews has more than 20 years of GIS experience. He's been employed with Wessler since July of 2007 and serves as our GIS group head out of our Evansville office. He has extensive experience in GIS, ArcPro, AGOL, Dashboards, AutoCAD, global positioning systems (GPS), surveying, and multi-discipline field services.*   [tel:812-475-1690](tel:812-475-1690) Most of your community’s infrastructure is invisible - water mains, storm pipes, and sewer lines...they’re underground and out of sight until something goes wrong. That’s where GIS comes in. Geographic Information Systems help communities map every asset, connect it to real data, and actually see what’s happening beneath their streets. Instead of guessing where problems might occur, you know exactly where your risks are. GIS helps utilities turn maps into decisions so infrastructure problems don’t surprise you. Subscribe by filling out the form on the right for more thought leadership - including additional GIS blog series entries and other educational series, such as Arc Flash and Grate Expectations. [![Click here to learn more about our GIS Services](https://no-cache.hubspot.com/cta/default/216551/93fb2178-7d40-44f1-a80f-beb159ae56e8.png)](https://cta-redirect.hubspot.com/cta/redirect/216551/93fb2178-7d40-44f1-a80f-beb159ae56e8) Tags [Mapping](https://info.wesslerengineering.com/blog/topic/mapping) [GIS](https://info.wesslerengineering.com/blog/topic/gis) [Geographic Information System](https://info.wesslerengineering.com/blog/topic/geographic-information-system) ### Subscribe ![](https://www.facebook.com/tr?id=1929122400700835&ev=PageView&noscript=1) ![](https://dc.ads.linkedin.com/collect/?pid=29224&fmt=gif)