Catchment Solutions LLC (CSLLC) is a Washington-based engineering firm that specializes in environmental and engineering consulting services for the regulated community. CSLLC provides NPDES industrial stormwater, industrial wastewater and construction stormwater compliance services for clients in Washington State. We help clients navigate the complexities of various types of permits while performing the necessary actions for clients to stay in compliance. We are CESCL certified and a Contech® Certified Maintenance Provider.

 

Services include stormwater monitoring, facility assessments, drone and infrastructure mapping, GIS, contaminant source tracing, BMP evaluation, SWPPP preparation, routine inspections, treatment system design, and permit negotiation. We also provide maintenance services for stormwater conveyance and treatment systems.

​

As your full-service provider for NPDES compliance, you can rest assured that your facility is being properly managed. We tailor our services to your needs. From being a part of your existing pollution prevention team to managing the whole program, feel free to reach out to discuss how our services will fit into your compliance program.