SERVICESWe specialize in septic systems and provides all types of WDEQ approved tanks and distribution systems. Learn More ABOUT USWe are a Certified Septic System Installer (CIOWTS-A) NEHA. Learn More NORMINGTON EXCAVATIONServing Southwest Wyoming since 2000. Serving Southwestern Wyoming for over 23 years.Read more. See photos from recent projects. Visit our Services Page and see what Normington Excavation can do for you. We provide free written quotes. Give us a call today.