Water: Drinking Water
Contact the Office of Ground Water & Drinking Water
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1. Search Our Question/Answer Database
Find an answer or ask a question about drinking water and ground water programs authorized under the Safe Drinking Water Act.
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2. Ask Questions, Submit Comments
Call the Safe Drinking Water Hotline toll free Monday through Friday, 10:00 am to 4:00 pm eastern time (except Federal holidays) at 1-800-426-4791 to answer your questions, or submit comments about local drinking water quality; drinking water standards; public drinking water systems; source water protection; large capacity residential septic systems; commercial and industrial septic systems; injection wells; and drainage wells.
3. Technical Problems On Our Web Site?
If you want to report a broken link, or you are experiencing technical problems with OGWDW's web site like downloading files, please contact the webmaster.
4. Contact the Office of Ground Water and Drinking Water
Office Mail, Phone, & Fax information
For general inquiries: Safe Drinking Water Hotline 1-800-426-4791
Contact the Office of Ground Water and Drinking Water
Mailing address:
Office of Ground Water and Drinking Water (4601)
Ariel Rios Building
1200 Pennsylvania Avenue, NW
Washington, DC 20460-0003Street address:
EPA East
1201 Constitution Ave, NW
Washington, DC 20460-0003Phone and Fax:
Phone: 202-564-3750
Fax: 202-564-3753 (Director's office)
Fax: 202-564-3751 (Drinking Water Protection Division)
Fax: 202-564-3752 (Standards and Risk Management Division)
Fax: 202-566-0055 (Water Security Division)Technical Support Center:
U.S. EPA
26 Martin Luther King Drive
Cincinnati, Ohio 45268
Phone: 513-569-7948
Fax: 513-569-7191E-mail:
Addresses for EPA staff take the form of lastname.firstname@epa.gov