Our Company

Founded in 2008 by Elizabeth and Robert Frantz, S2S ERM is a family owned and operated environmental consulting firm. Certified as a small business and a disabled veteran business enterprise, S2S ERM provides a full spectrum of environmental support services. Our mission is to provide natural resource and regulatory expertise to help our clients and partners build successful projects while protecting and managing our shared environment for today and future generations.

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Our Services

S2S ERM offers a wide range of environmental services–from water quality sampling and monitoring to permitting and environmental compliance and reporting to site restoration and project management. We collaborate with our clients to find more resource-efficient and environmentally responsible ways to meet project needs.

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The S2S Team

The S2S ERM team comprises engineers, construction managers, utility land planners, biologists, and environmental regulatory specialists. We work collaboratively to meet the needs of our clients and produce solid results for success.

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Planning • Permitting • Project Management • Compliance Monitoring • Stormwater Management • Water Quality Monitoring • Site Restoration •
Biological Resources Consulting • Best Management Practices

PG&E Mokelumne River Water Quality/Water Temperature

The S2S team has been responsible for implementing the water quality monitoring study program for the Mokelumne River Hydroelectric Project, FERC Project No. 137 since 2008. The water quality monitoring study is required by Condition No. 11 of the FERC Project license issued on October 11, 2001 (FERC 2001).

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San Francisco-Oakland Bay Bridge Demolition Biological Monitoring

The California Department of Transportation (Department) replaced the east span of the San Francisco-Oakland Bay Bridge (SFOBB) with a new bridge immediately to the north of the original span. The SFOBB Project also includes dismantling of the original east span.

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S2S Acquires Californian Environmental Services

S2S is proud to announce the acquisition of California Environmental Services. Led by Dr. Gretchen Padgett-Flohr, CES brings a team of 9 new biologists to the S2S family. We are very excited to welcome them, and look forward to new projects with our extended capabilities.

Contact us for more information

Whether you have questions about upcoming projects, want to inquire about our services, or need some support on a current project, we are here to help you.

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Our Clients

Public Utilities


Public Works



Strategic Partners


Mailing Address

Surf to Snow Environmental Resource Management

2246 Camino Ramon

San Ramon, CA 94583

(925) 362-3041