- Construction begins on the Cortland Sheaffer System, the first municipal wastewater reclamation and reuse system in the state of Illinois.
- The Heritage Commons Sheaffer System is built in Tennessee.
- The Illinois EPA issues a permit for the Town of Cortland Municipal Sheaffer System for Wastewater Reclamation and Reuse.
- The Woods Creek Sheaffer System is built in Illinois.
- The Tiffin Loader Crane Sheaffer System is built in Ohio.
- The Duke Power Sheaffer System is built at Duke Power’s Mill Creek Facility in South Carolina.
- The Sheaffer System is patented (Patent Number 6,203,702 B1—Aerobic Biodegradable Waste Treatment System for Large Scale Animal Husbandry Operations with application to nonagricultural uses, such as subdivisions).
- The Sheaffer Illinois Reuse System is patented (Patent Number 6,068,773—Single-Cell Wastewater Reclamation and Reuse System).
- The North Fork MRRS in Virginia becomes operational, serving two towns and two poultry plants.
- The Baywood Sheaffer System is built in Delaware, serving a golf course community.
- Two Sheaffer Systems are built in Indiana: the Town of Kewanna Sheaffer System and the Honey Bear Hollow Sheaffer System.
- The PRD Sheaffer System opens in Indiana.
- Two Sheaffer Systems are built in Iowa, serving the ADL I Hog Facility and the Milk Unlimited Dairy Farm.
- Sheaffer International, LLC is founded.
- The Mill Creek development in Kane County, Illinois begins construction, demonstrating Sheaffer’s holistic approach to conservation development and watershed management. With the help of the reclamation and reuse technology of the Sheaffer System, the local watershed of the development becomes the first “no-discharge” watershed in the nation.
- The success of the development is recognized by the American Society of Landscape Architects, giving the development the “Landscape Planning and Analysis Honor Award” for 1995.
- Sheaffer Systems are constructed to serve two developments in Illinois: Wynstone, a Jack Nicklaus signature golf community; and Saddlebrook Farms, developed by Chuck Fanero.
- The Fields of Long Grove development in Lake County, Illinois – served by a Sheaffer System – receives the “Best in American Living” by National Association of Home Builders, Better Homes and Gardens, and Professional Builder, exemplifying Sheaffer’s conservation design for subdivisions.
- Sheaffer Systems are built in Northglenn, Colorado and at The Chancellory at Hamilton Lakes business campus in Itasca, Illinois.
“This project [Northglenn] is one that is of great interest to me. I think this might be a vista of what we will see on a broad base in the future.”
– President Carter, 1979
- The U.S. Environmental Protection Agency chooses Dr. Jack Sheaffer’s plan for Muskegon, Michigan as its first-ever project.
“The innovative system of water-borne waste disposal which you have develop for Muskegon County, Michigan, came to my attention recently. I understand that your imagination and dedication have led to the development of a new and promising approach to sewage disposal, and I want to commend you for your pioneering work in this vital field.”
– Letter from President Nixon to Jack Sheaffer, 1973
- Dr. Jack Sheaffer co-authors the Clean Water Act, commencing a national effort dedicated to cleaning up our streams, rivers, lakes and oceans by eliminating point and non-point pollution sources.