Contact EPA Pacific Southwest Water Division
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Drinking Water
Drinking Water Quick Finder | ||
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Drinking Water Home Drinking Water Issues | Enforcement and Compliance Tribal Drinking Water | State and Local Partnerships |
National Links
- National Drinking Water Program
- Safe Drinking Water Hotline
1-800-426-4791
Issues
Regional Drinking Water Issues
National Drinking Water Issues
Drinking Water Regulations
Drinking Water Regulations Status (PDF) (1 pg, 22K About PDF)
Regional Drinking Water Standards and Health Advisories and tables (PDF) (30 pp, 107K About PDF)