Interested in learning more about water treatment technologies and regulations? Clear Water has compiled a list a helpful resources below.

Check out our page on Chemically-Enhanced Sand Filtration (CESF) to learn more about our eco-friendly and extremely effective primary treatment technology.

*Please note that the following links are maintained by third-party websites, and, while we update our site regularly, we do not maintain any responsibility for the accuracy of the information presented in the links.

• Industrial Stormwater General Permit (ISGP)
• Construction Stormwater General Permit (CSGP)
• Permit and Reporting Information System (PARIS)
• Certified Erosion and
  Sediment Control Lead (CESCL) Database*
• Trained CESF Operators Database*

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

• Stormwater Monitoring Page
• How to Meet CSGP Requirements
• Western WA Stormwater Management Manual (searchable)

• Industrial 1200-Z Stormwater Discharge General Permit
• Construction 1200-C and 1200-CN Stormwater Discharge General Permit

• Statewide Water Quality Standards

• Industrial General Permit
• Construction General Permit

• Construction Best Management Practices Handbook

Relevant US Federal Regulations

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.