Pierson Environmental Services is a full service, family-owned & operated excavation and septic service company, founded in 1969 and spanning three generations. We routinely provide a complete range of septic and excavating services, proudly serving Chester, New Castle, Cecil, and Southern Lancaster Counties. Regular pumping of your septic tank is a must, and in most local areas it is also a requirement. Don't let septic problems surprise you. Schedule an appointment today! Based on our 45 years of experience, we are confident in our provision of state-of-the-art, cost effective services, from septic system design, to construction and maintenance, to needed repairs. We pride ourselves on providing top quality service at reasonable prices and in a timely manner. We also provide a wide range of excavation services!