Jump to main content
US EPA
United States Environmental Protection Agency
Search
Search
Share
Facebook
Twitter
Google+
Pinterest
Contact Us
Sole Source Aquifers for Drinking Water
Overview
What is a sole source aquifer (SSA)?
What is the SSA program?
EPA’s authority to designate SSAs
Petition for SSA Designation
Guidance on petitioning for SSA designation
SSA Project Review
Project review coordination and MOU's
Project review steps
Projects excluded from review
Opportunities for public awareness and participation
Limitations of the SSA program
SSA Locations
Interactive map of SSAs
Geospatial data set
Main menu
Environmental Topics
Air
Bed Bugs
Chemicals and Toxics
Environmental Information by Location
Greener Living
Health
Land, Waste, and Cleanup
Lead
Mold
Pesticides
Radon
Science
Water
A-Z Index
Laws & Regulations
By Business Sector
By Topic
Compliance
Enforcement
Laws and Executive Orders
Policy and Guidance
Regulations
About EPA
EPA Administrator
Current Leadership
Organization Chart
Staff Directory
Planning, Budget and Results
Jobs and Internships
Headquarters Offices
Regional Offices
Labs and Research Centers
