Underground Injection Control (UIC)

Underground Injection Control in Region 9 (AZ, CA, HI, NV, MP, and GU)

EPA Region 9 serves Arizona, California, Hawaii, Nevada, Pacific Islands, and 148 tribal nations.

On this page:

State-Specific Efforts

Public Notices for Proposed Permits

No notices are open for public comment at this time.

Permitting and Registration Information

Tribal UIC

Final Rulemaking for the Navajo Nation Class II Underground Injection Control Program

Contact Information

David Albright (albright.david@epa.gov)
U.S. EPA, Region 9
Manager, Drinking Water Protection Section, WTR-3-2
75 Hawthorne Street
San Francisco, CA 94105
(415) 972-3971

Area EPA Contacts State/Tribal Partnerships Contacts
Contact for EPA UIC Staff and Regional Partners in the Pacific Southwest


Nancy Rumrill (rumrill.nancy@epa.gov)
(415) 972-3293
Arizona Department of Environmental Quality (ADEQ)
Aquifer Protection Program Exit
(602) 771-2322 or (602) 771-4362


Deep Wells

George Robin (robin.george@epa.gov)
(415) 972-3532

Shallow Wells

Leslie Greenberg (greenberg.leslie@epa.gov)
(415) 972-3349

Department of Oil, Gas, and Geothermal Resources (DOGGR)
Class II Primacy and Geothermal Exit

State Water Resources Control Board Exit


David Albright (albright.david@epa.gov)
(415) 972-3971
Guam Environmental Protection Agency
Water Pollution Control Program Exit


Large capacity cesspool project

Kate Rao (rao.kate@epa.gov)
(415) 972-3533

Department of Health, Safe Drinking Water Branch
Safe Drinking Water Branch Exit
(808) 586-4258

Navajo Nation

Joel Coffman (coffman.joel@epa.gov)
(415) 972-3530
Navajo Nation Underground Injection Control Program Exit


Leslie Greenberg (greenberg.leslie@epa.gov)
(415) 972-3349
Nevada Division of Environmental Protection
Underground Injection Control Program Exit

Northern Mariana Islands

David Albright (albright.david@epa.gov)
(415) 972-3971

CNMI Bureau of Environmental and Coastal Quality Exit


Leslie Greenberg (greenberg.leslie@epa.gov)
(415) 972-3349

All Other Region 9 UIC Inventory Questions

r9iWells@epa.gov N/A

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