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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

Construction BMPs: What They Are and How They Protect Your Site

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

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Article

What Industrial Facilities Need to Know About California's ERA Season in 2026

Learn what triggers a California Exceedance Response Action (ERA), the differences between Level 1 and Level 2 ERA requirements, deadlines, and how Clear Water's team can help your facility stay compliant.

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Article

pH Problems in Runoff

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.

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Article

TSS and Sediment Control: The Foundation of BMP Readiness for Industrial Sites

Learn how industrial facilities can control Total Suspended Solids (TSS) and sediment in stormwater to ensure clean first samples and compliance under the IGP.

Article
Article

COD: The Hidden Oxygen Thief Impacting Your Stormwater Compliance

COD is a hidden but powerful indicator of stormwater pollution at industrial sites.

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Article

Industrial SWPPP in California, Explained

Managing Industrial SWPPPs in California

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Article

Trash & Debris in Stormwater: The Overlooked Compliance Risk

Learn how simple industrial BMPs like drain filters, housekeeping, and employee training keep your industrial site clean and compliant.

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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.

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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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