Water: Septic (Onsite / Decentralized) Systems
Click on your state in the map below to get contact information, links to state web pages, and other useful information. Since state and local governments regulate septic systems, be sure to check with the appropriate state and local authorities for requirements that may apply to you.
|Those systems serving more than 20 people fall under the provisions of Large Capacity Septic Systems, a section of the Safe Drinking Water Act (SDWA). Under this act, systems must be registered and present no danger of contaminating source water. Click here to view State Underground Injection Control (UIC) Contacts.|
Under the Clean Water Act (CWA), 40 CFR 122.28, you need a National Pollutant Discharge Elimination System (NPDES) permit to discharge to the waters of the U.S. Click here to view the contacts for the NPDES program.