Stormwater Compliance. Simplified.

From permitting to pollution prevention, CWT helps industries, municipalities, and construction sites stay compliant while protecting water quality.

Get Expert Compliance Support

About CWT

Our Mission & Values

Our Mission is to be a "game changer" with guiding Values of:


  • Compliance - Expertise in navigating regulatory complexities


  • Efficiency - Streamlining processes to save time and costs


  • Innovation - Using sustainable, forward-thinking solutions

CWT, LLC was founded in 2000 as a stormwater best management practice (BMP) supplier and technical consultant to assist a variety of municipal and industrial permittees with their stormwater compliance needs. Over the last 25 years, CWT has grown with the ever-evolving stormwater industry, continuing to support industrial, municipal, construction, commercial, and agricultural clients not just in the Northwest but all over the U.S. and Canada.


CWT has worked with companies and clients large and small, providing services ranging from establishing initial permit coverage, to helping navigate very difficulty compliance litigation, and even to assisting several businesses enter the stormwater market with their own products or industry service support.


CWT excels at implementing comprehensive and effective stormwater programs for clients with complex infrastructure issues, multiple locations and types of industry, and diverse operations.

The CWT team holds a variety of certifications and

training to support your facility or site needs such as:

CESCL

CISL

CPSWQ

CPISM

PSCIC

ICSI

MT SWPPP Admin and Certification

Sample Representative Projects

Other projects CWT has worked on:


  • Agricultural Erosion Control Projects
  • Commercial facility stormwater management programs
  • Wastewater permitting and sampling programs
  • Solid waste permitting and water management programs
  • AKART studies and BMP performance testing

Services

Program Development

Multi-site, multi-state, interdepartmental programs

Permitting

NPDES, SEPA, Soild Waste

Plan Writing

SWPPPs, ESCP, Sampling, Spill plans, SOPs, SEPA

Audits

Company-wide, routine projects, interdepartmental

Inspections

Routine and Response

Sampling

Routine and Response, profiling, source evaluation

BMP Selection

AKART, decision matrices, assist with acquisition or service support, onsite customization

Infrastructure Maintenance

Pond maintenance, vendor acquisition, maintenance operational procedures

Treatment

Site specific design, technology determination, treatability, system support

Training and Certifications

Permit compliance, career development, awareness and outreach

Legal Support

Lawsuit defense, corrective action response

BMPs

Best Management Practices

CWT offers direct purchase support for a variety of BMPs or can help you procure different products for your next project or facility needs. Whether doing erosion and sediment control for construction or maintenance activity or needing to remove dissolved metals at very low levels, CWT can supply directly or through their vast network of suppliers and options that will help you achieve your desired outcomes.


CWT has also designed several onsite BMPs that are not prepackaged solutions but rather a more customized approach to specific site conditions.

Contact Us to Start a Custom Quote

Training and Certifications

Visit CWT Training Academy

Business Development

CWT has helped many companies introduce their product or service offering to the stormwater and water management marketplace. CWT has acted in support of BMP development and installed stormwater service support to clients on behalf of engineering and consulting firms around the country.

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