16604 243rd Ave. 
P.O. Box 590
Eagle Butte, SD 57625
​
Office Phone: (605) 964-6558
(605) 964-6559
(605) 964-6560
​
Office Fax: (605) 964-1072
​
Website: www.crstepd.org
​
Mission: To protect human health, the environment, and our natural resources. 
​
Vision: Develop the framework necessary to achieve an overall redevelopment strategy that will ensure the Tribe's environment and natural resources are protected for current and future use. 
​
Services: Water quality management; remediation and redevelopment of hazardous brownfields sites; response to potentially hazardous spills and illegal dump sires' pesticide enforcement.
 
 
General Assistance Program (GAP): 
 
David D. Nelson, Director                                            Lakota S. Nordvold, Executive Assistant
dnelson@crstepd.org                                                    cnordvold@crstepd.org
​
​
106 Water Quality Program: ​

Yura Nordvold, Water Quality Specialist
ynordvold@crstepd.org
​
Brownfields Tribal Response Program (TRP): 
​
Robert Smith, Coordinator
rsmith@crstepd.org
 
Pesticide Circuit Rider Program: 
 
Delbert Longbrake, Circuit Rider                                                  
dlongbrake@crstepd.org
 
Terri Jo Haskell, Circuit Rider 
thaskell@crstepd.org  
​