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* Top 10 of 2025-6 by Environmental Business Review
* Top 10 of 2024 & 25 by Environmental Business Outlook
*As seen on the “Jason Alexander Show” for the Palisades/Eaton Fire Cleanup* (See Audio or Video)
Mayfield Environmental Solutions is an MBE/DBE General Contractor in California with decades of experience in environmental and water quality management in the most toxic environments, ranging from disaster cleanups to Superfunds/CRCLA to sensitive wetlands and waterways.
In California, any development over 1 square acre MUST obtain an NPDES (National Pollutant Discharge Elimination System) Permit from the Water Board to remain compliant with the Construction General Permit (CGP), including regular inspections by a QSP (Qualified SWPPP Practitioner) like ours.
Jobsites legally cannot certify themselves. They require a QSD (Developer) like ours to obtain a Permit. If you qualify, we will try to get you a NONA or NEC (No Exposure Certification) to avoid Inspection costs.
Otherwise, a QSP must regularly inspect your development’s BMPs (Best Management Practices) to mitigate runoff, erosion, and water pollution. These inspection reports must be posted publicly in order for you to remain compliant with the CGP and the Water Board.
We provide our own testing equipment for water quality, pH, Turbidity, TSS (Total Suspended Solids), and TMDL/NAL discharge limit exceedances to ensure compliance, which cuts down on rental costs for you.
Unlike our competitors who typically provide only technicians and scientists, we outmuscle our competitors with our additional background in excavation, grading, earthwork, and HAZMAT remediation. This means that unlike other compliance companies, we know how to tailor our work to fit your construction and development instead of getting in the way or inducing absurd delays.
We also outmuscle our competitors because we have every relevant erosion science and earthwork license needed for total Construction General Permit (CGP) management, including CPESC, CISEC, General Engineering “A,” and more. We also bring the skill set for Watershed Protection & wetlands protection from our contracts with environmentally-sensitive Superfunds and cleanup sites, giving us unique insights and risk mitigation tools to make your project advance seamlessly.
Give us a call at (310) 880-9647 or Email Us and let’s get the job done together.


















