An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Septic Systems (Onsite/Decentralized Systems)

Contact Us

Do Your Part, Be Septic Smart!
Encouraging homeowners, wastewater professionals, and state,
tribal, and local officials to design and maintain effective systems
to protect public health, preserve valuable water resources, and
sustain economic vitality in their communities.

View recent SepticSmart webcasts:
SepticSmart Week 2021 - September 20-24, 2021
The annual event educating homeowners and communities on
the proper care and maintenance of their septic systems:
- Think at the Sink
- Don't Overload the Commode
- Don't Strain Your Drain
- Shield Your Field
- Test Your Drinking Water Well
Get the SepticSmart Week 2021 flyer!

Save the Date!

SepticSmart Week 2021
September 20-24, 2021

Septic Systems (Onsite/Decentralized Systems)

About Septic Systems

SepticSmart Homeowners

Technical Resources

What's New