Understanding QPE Forecasts, Dewatering, and Passive Treatment under the 2022 GCP
Includes a Live Web Event on 2026/08/12 at 12:45 PM (MDT)
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Understanding QPE Forecasts, Dewatering, and Passive Treatment under the 2022 GCP
Presenters:
Matthew Renaud | Stormwater Regional Technical Consultant | Terracon
Melanie Sotello | Director of Environmental Services | CASC Engineering and Consulting
Date: Wednesday 12th August 2026
Time: 11:45am Pacific Daylight Time
Level: Intermediate
Duration: 1.25 hour
Type of Course: Webinar – Live
PDH credits: 1
With the California Construction General Permit (CGP) now fully implemented, significant requirements now exist regarding site dewatering, using passive treatment, and weather thresholds in stormwater monitoring. These changes present new challenges and opportunities for stormwater professionals to effectively maintain water quality and permit compliance.
This webinar will provide the essential background understanding that SWPPP Developers and Practitioners to understand and navigate these updated requirements. Attendees will learn about the requirements for dewatering and passive treatment systems and how to track the weather forecasts to identify a Qualified Precipitation Event (QPE). This timely webinar offers practical guidance to adapt stormwater management strategies in light of the new permit requirements, in pursuit of improved water quality outcomes.
- Learn how to track a storm to determine whether a QPE exists, and what actions are needed to be taken, and by when.
- Be able to identify when the Dewatering requirements of the CGP are required, or if other discharge permit(s) have jurisdiction.
- Be able to identify what the requirements are for a project to be able to utilize Passive Treatment as a means of meeting discharge NAL requirements.
HOSTED BY:
Matthew Renaud
Senior Consultant Water Resources
NVS
Matthew Renaud is the Stormwater Regional Technical Director for Terracon and has 15 years of extensive experience in NPDES Stormwater Permitting, erosion and sediment control, and construction storm water compliance. Certified CPESC, CESSWI, and Qualified SWPPP Developer/Practitioner Trainer of Record, with a focus on BMP implementation and innovative practices. Skilled in training and presenting on topics such as pollutant source control, permit requirements, water quality monitoring, and best practices for CGP compliance.
Melanie Sotelo
Director of Environmental Services
CASC Engineering and Consulting
Melanie Sotelo is a seasoned environmental professional with over 30 years of experience in stormwater management and construction compliance. She currently serves as the Director of Environmental Services at CASC Engineering and Consulting, where she leads initiatives in civil and environmental engineering with a strong focus on water quality and regulatory compliance. Melanie holds multiple industry-recognized certifications, including CPSWQ (Certified Professional in Storm Water Quality), CPESC (Certified Professional in Erosion and Sediment Control), QSD/P (Qualified SWPPP Developer/Practitioner), and ToR (Trainer of Record). She is also an active member of the State’s Construction General Permit Training Team, contributing to the development and delivery of statewide training programs.
With over 20 years of training experience, Melanie has delivered hundreds of sessions to QSDs, QSPs, municipal staff, and regulatory professionals. Her training portfolio spans in-person workshops, conference presentations, and online webinars. She is known for her engaging and interactive teaching style, which emphasizes real-world application, audience participation, and regulatory clarity. Melanie’s ability to translate complex permit requirements into practical strategies makes her a trusted educator and mentor in the stormwater compliance community.
This event is worth one (1) Professional Development Hours.
IECA is committed to fostering an environment of continuous learning and professional growth. Through a process of peer review and content selection standards, we ensure that our content is robust, relevant, and aligned with industry standards. We respect the authority of certification organizations to evaluate and accept professional development activities according to their criteria, acceptance of professional development credits is at the discretion of your certifying organization.
