Our Services
Stormwater Management Solutions
Although based on a simple concept of pollution prevention, the requirements of stormwater regulations are often very complicated. The Sigma Group has experience with understanding facility operations and applying common sense to the integration of stormwater pollution prevention.

Sigma identifies potential pollutant sources.
Stormwater Permitting
Sigma assists numerous clients with their stormwater permitting process and walks them through the criteria for obtaining stormwater permit exemptions.

Sigma helps select Best Management Practices (BMPs) to minimize stormwater contamination.
Stormwater Pollution Prevention Plans
Sigma’s experienced staff will successfully identify and assess potential pollutant sources, select appropriate Best Management Practices (BMPs) to minimize the potential for stormwater contamination, and develop a Stormwater Pollution Prevention Plan (SWPPP) that fits with facility operations.
Stormwater Management and Program Implementation
Sigma often assists with the implementation of SWPPPs and BMPs including:
- Conducting inspections
- Employee training
- Designing / specifying stormwater controls
Industrial Stormwater Services:
- Best Management Practices
- Inspection, sampling, training, and design
- Stormwater permitting
- Stormwater Pollution Prevention Plans