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Resources & Articles

Dive into our world of water

Article

Stormwater Compliance During a Super El Niño

How will the Super El Niño impact West Coast precipitation this fall and winter, what does it mean for compliance, and how can you prepare?

Article

All About Chemically Enhanced Sand Filtration (CESF)

Article

Clean SWPPP: A Guide to Stormwater Compliance in Washington

Article

U.S. Federal Regulatory Drivers – The Clean Water Act, NPDES, and The Endangered Species Act

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Article

Dissolved Metals: The Hidden Compliance Killer - Frog Environmental

Copper. Zinc. Lead. These pollutants lurk in runoff, and regulators are watching. The right BMPs can keep your samples clean.

Article
Article

California ERA Season Is Here: What Industrial Facilities Need to Know in 2025 - Frog Environmental

Learn what California industrial facilities need to know about ERA season under the IGP. This guide covers ERA Level 1 and Level 2 requirements, compliance deadlines, and how expert support can help you avoid fines and lawsuits.

Article
Article

Keeping Waterways Clean This July 4th - Frog Environmental

Celebrate responsibly this Independence Day. Small actions like cleaning up litter, properly disposing of fireworks debris, and securing your facility can make a lasting impact on our waterways.

Article
Article

Stormwater Run-On Control: Why It Matters and How to Prevent Pollutants at the Source - Frog Environmental

Learn how run-on control strategies, from perimeter diversion to targeted interceptors, can improve compliance and reduce pollutant loads.

Article
Article

Case Study: Non-Detect Stormwater Results - Frog Environmental

FROG Environmental helped a metal recycler hit non-detect stormwater levels with a powerful 300 GPM system built for strict industrial compliance.

Article
Article

Avoid Stormwater Fines with Industrial BMP Solutions to Keep Your Facility Compliant - Frog Environmental

Discover how Frog Environmental's industrial BMP solutions can help your facility avoid costly stormwater fines. Learn about common compliance issues and proactive strategies.

Article
Article

What California Industrial Facilities Need to Know About Stormwater Annual Reports - Frog Environmental

If your facility is regulated under California’s Industrial General Permit (IGP) for stormwater discharges, you’re likely familiar with the Annual Rep

Article
Article

Stormwater Sampling Readiness: How Industrial Facilities Can Avoid Failed Samples Before They Happen - Frog Environmental

Learn how industrial facilities can improve sampling readiness, reduce exceedances, and strengthen stormwater performance before the next storm event.

Article
Article

pH Problems in Runoff - Frog Environmental

Nutrients like nitrogen and phosphorus can turn stormwater into a compliance risk. Learn how media filters, flocculants, and treatment systems keep runoff clean and prevent exceedances this rainy season.

Article
Article

TSS and Sediment Control: The Foundation of BMP Readiness - Frog Environmental

Learn how industrial facilities can control Total Suspended Solids (TSS) and sediment in stormwater to ensure clean first samples and compliance under the IGP. This guide covers key BMPs plus proactive site maintenance strategies to keep runoff clear all rainy season.

Article
Article

What Is Stormwater Management? A Practical Guide for Industrial Facilities - Frog Environmental

Discover how industrial facilities can manage stormwater runoff, stay IGP compliant, and reduce pollutants using BMPs like wattles, media socks, and oil filters. A practical guide for compliance teams, QISPs, and facility managers.

Article
Article

California Industrial Stormwater Compliance in 2026 - Frog Environmental

California’s stormwater regulations continue to evolve, and facilities need to stay ahead of monitoring, reporting, and BMP requirements. This guide breaks down what industrial operators should know for 2026 and how to prepare.

Article

COD in Stormwater: The Hidden Oxygen Thief Impacting Your Compliance - Frog Environmental

COD is a hidden but powerful indicator of stormwater pollution at industrial sites. Elevated levels signal excess oils, organics, and chemicals—and can quickly lead to violations. Learn where COD comes from and how to control it.

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Article

Stormwater Sampling Season: How to Get Reliable Results Every Time - Frog Environmental

Get ready for storm season! Learn how to prepare your facility for industrial stormwater sampling, and see how Frog Environmental handles everything from on-site collection and lab coordination to SMARTS uploads. Hassle-free compliance that protects water quality and your bottom line.

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Stormwater Permits & Info

Interested in learning more about water treatment technologies and regulations? We’ve compiled a list of helpful resources here.

*Please note that the following resources link to sites that are not owned or maintained by Clear Water Services, and we are not responsible for the accuracy of the information presented in the links.

Explore by Region

Relevant US Federal Regulations

Washington

Oregon

California

Stormwater Permits & Info

Relevant US Federal Regulations

NPDES Homepage

Learn about the Clean Water Act

Learn about the Endangered Species Act

Discharges to waterways in the US are regulated by the National Pollutant Discharge Elimination System (NPDES), which was created by the Clean Water Act. The Endangered Species Act further regulates activities affecting critical habitat for threatened or endangered species, such as some species of fish.

Stormwater Permits & Info

Washington

Industrial Stormwater General Permit (ISGP)

Construction Stormwater General Permit (CSWGP)

Permit and Reporting Information System (PARIS)

Certified Erosion and Sediment Control Lead (CESCL) Database*

Stormwater Monitoring Page

How to Meet CSWGP Requirements

Ecology Stormwater Management Manuals (SWMMs)

*Clear Water provides CESF Operator and CESCL training as well as CESCL inspections by qualified professionals

Stormwater Permits & Info

Oregon

Industrial 1200-Z Stormwater Discharge General Permit

Construction 1200-C and 1200-CN Stormwater Discharge General Permit

Statewide Water Quality Standards

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Stormwater Permits & Info

California

Industrial General Permit

Construction General Permit

Construction Best Management Practices Handbook

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We come back because of the quality of service provided. It's nice to have one point of contact for treatment O&M and permit management.
Ryan
Husky Terminal

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