Onsite Sewage Treatment Program (OSTP)

hands on a laptop keyboard
Wooden cabin in a conifer forest next to a lake.
A group of people outside standing over a soil pit.
Architect working on construction blueprint in office.
Magnified image of the coronavirus.

The Onsite Sewage Treatment Program (OSTP) protects public health and the environment by improving wastewater treatment through research-based workshops, as well as outreach to homeowners, small communities, professionals and policy-makers. This program is part of the Water Resources Center

Resources for SSTS professionals

Resources for homeowners

News