Construction Services

From infrastructure upgrades to bridge construction, many engineering and construction projects require environmental permitting and construction monitoring. Stillwater Sciences provides a comprehensive set of environmental services designed to help you streamline the regulatory process and get your project off the ground within a tight schedule. Our familiarity with regulatory agency concerns and strong working relationships with local, state, and federal government agencies allows us to quickly respond to any issues that may arise at the project site. Stillwater staff have been involved in every phase of projects from the initial design through long-term follow-up biological monitoring. Our fish, wildlife, botanical, water quality, and wetland experts conduct construction monitoring and environmental awareness training, including developing project- and species-specific environmental handouts that help guide construction crews on how to avoid the environmental pitfalls that could add time and cost to your project.  We take on both small and large construction projects and have enough qualified staff and resources to be flexible in meeting your needs.

Our expertise in construction services includes:

  • Pre-project biological studies: wetland delineations and special-status plant and wildlife species surveys;
  • Permitting support: California Environmental Quality Act (CEQA), Clean Water Act Section 404 permits and endangered species consultations, California Department of Fish and Wildlife streambed alteration agreements and incidental take permits, and Regional Water Quality Control Board 401 certifications;
  • Environmental awareness training: presentation development and on-site training for construction staff in compliance with State and Federal permits;
  • Storm Water Pollution Prevention Plan: Storm Water Pollution Prevention Plan (SWPPP) development and on-site best management practices (BMP) and storm water quality inspections;
  • Dewatering and fish rescue: dewatering process and water management support, cofferdam design and placement assistance, fish and amphibian rescue and relocation; 
  • Permit compliance: construction monitoring for compliance with State and Federal permits’ terms and conditions regarding biological resources including bird nests, wetlands and buffers, erosion control, hydrocarbon spill control surveys, environmentally sensitive habitat exclusion fencing, discharges to waters of the State and U.S.;
  • On-site contractor support: assistance with on-site construction means and methods to reduce environmental impacts on sensitive species and habitats;
  • Reporting: report development on daily, weekly, monthly, annual, and project completion basis.

Stillwater Sciences holds a NMFS Section 10(a)(1)(A) permit authorizing take of ESA-listed Southern Oregon/Northern California Coast coho salmon, Central  California Coast coho salmon, California Coastal Chinook salmon, Sacramento River winter-run Chinook salmon, Central Valley spring-run Chinook salmon, Northern California steelhead, Central California Coast steelhead, Central Valley steelhead, South-central California Coast steelhead, and Southern California steelhead associated with various Bay Area, Central Valley, and southern California coastal watersheds. Stillwater biologists also hold a USFWS Section 10(a)(1)(A) permit authorizing take of ESA-listed tidewater goby, Alameda whipsnake, California red-legged frog, giant garter snake, and San Francisco garter snake. Stillwater has staff with Qualified SWPPP Practioner/Developer (QSP/QSD) certifications under the California Construction General Permit.


Stillwater staff provide construction monitoring to reduce environmental impacts on sensitive species and habitats.

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Nicole Jurjavcic
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