Submit a request
Learn the Issues
Science & Technology
Laws & Regulations
Ground Water & Drinking Water
New articles and comments
Does the EPA have a Definition of the Word Residual when using a Liquid Disinfectant or a Liquid Santizer to maintain a Residual effect?
How does EPA define year-round resident for the definition of community water system?
How does the Safe Drinking Water Act define a disadvantaged community?
How is the term "disinfection by-product" defined?
Primacy allows Indian Tribes the opportunity to assume principal responsibility in the enforcement of public drinking water and/or Underground Injection Control (UIC) Program regulations within the Indian Tribes' jurisdiction. Before EPA will assign prima
I read that military vessels are subject to the Safe Drinking Water Act but the stated passages (1447 and 1411) do not expressly state anything about the military. Where can I find the relevant language?
Human consumption has been interpreted to include bathing. Under this interpretation, does the term "bathing" include swimming?
What does the term "cross-connection" mean?
What is ?hard? water?
What are public/private-owned Public Water Systems? The ownership category appears in the SDWIS.
What does the term "picoCurie" mean?
What is primacy and who can apply for it?
What is a cfu (i.e., colony forming unit)?
What is the "Six-Year Review?"
What is direct filtration?
What is a watershed?
What is the definition of "acute" and "chronic" as it pertains to drinking water?
What is the definition of potable/safe water? Where can I find it in the Safe Drinking Water Act?
What is the difference between a maximum contaminant level goal (MCLG) and a reference dose (RfD)?