Who is Southern Water and Soil


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Southern Water and Soil has 30+ years combined experience specializing in, but not limited to engineering, designing, permitting, installation and maintenance support for your septic system needs.  Our team of professionals will provide as much or as little service for your project as you require.  We will customize a proposal with your particular specification in mind. Whether your project involves residential or commercial site, schools or churches, empty lots or existing structures, we have the experience and knowledge to help you.


Since septic systems sizes and types vary based on needs and environmental conditions it is extremely important to have qualified professionals who are familiar with pertinent septic system regulations and can draw from past experiences as well as work with regulatory agencies to obtain health approvals for the project. SWS’s staff of engineers and designers offer many years experience in the design subsurface sewage disposal systems (septic systems) in the State of Florida. Over the years we have built many great working relationships with various state and local regulating agencies associated with septic system designs, construction, and maintenance. We have also built many strong relationships with individual home owners, contractors and builders over the years. With these close relationships,

SWS provides a highly cross-trained team who exceed our customers’ expectations and offers septic services that are designed properly, cost effective, and installed with minimal headaches.

Southern Water and Soil, Inc., provides comprehensive services to you as the client. SWS provides the expertise to handle your decentralized/onsite wastewater and septic project. Here is an introduction to some of SWS's key personnel:




Greg Mayfield, CEHP, RS - President

Leads a group that has years of experience in decentralized wastewater systems. Greg's work experience includes the Florida Department of Health and the Southwest Florida Water Management District. Greg has focused his energies on the protection of Florida's water. As Floridians enjoy the use of water, Greg has focused on point of origin solutions to Florida's water quality and quantity challenges.

Greg Mayfield and Tanya Weaver Mayfield



Robert "Bob" Dasta, P.E. - Vice President

The Vice President of Engineering of Southern Water and Soil, Inc. Bob has experience with the Florida Department of Environmental Protection, the Southwest Florida Water Management District, and other municipalities. Bob has designed many on-site decentralized wastewater treatment systems.

Robert Dasta


Jacob Glover - Crew Leader

Jake has over 15 years of experience in the septic industry. Jake is the Crew Leader for our construction side of our company and provides installation support.

Jacob Glover

  19007 US Hwy 41; Lutz, FL 33541* 3433 Lithia Pinecrest Road, Valrico, FL 33596 Phone 813-785-0500 * Fax 813-315-7444

Serving Tampa, Lutz, Plant City, Riverview, Gibsonton, Ruskin, Brandon, Valrico, Lithia, Zephyrhills, Dade City, Lakeland, Bartow, Mulberry, and all of the Tampa Bay Area with Septic and Wastewater System Services. Serving all of Florida with Septic System Engineering Services.