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Category: Industrial Permit

What to include in your Industrial Spill Kit

March 27, 2024

Spills are an unfortunate reality of industrial operations. The ability to swiftly and effectively manage spills is essential to protecting the environment and complying with stormwater regulations. Having a well-stocked […]

Industrial Permit

Turbidity Sampling

March 14, 2024

Turbidity is the measurement of the cloudiness of our stormwater generally caused by material that washes off the landscape and becomes suspended in our stormwater. Turbidity is easy to measure […]

Industrial Permit
dipping a pH probe into a yellow calibration standard

pH Stormwater Sampling

March 06, 2024

While most stormwater samples get sent off to an accredited lab, pH is one of the few parameters that can be measured in the field.  The process for analyzing pH […]

Industrial Permit

Sampling Stormwater Sheet Flow

February 28, 2024

Sheet flow is one of the most challenging sampling scenarios you can face for the Industrial Stormwater General Permit. The biggest challenge comes from getting enough volume in your sample […]

Industrial Permit

Sampling Stormwater from a Catch Basin

February 20, 2024

Sampling stormwater out of a catch basin is a common scenario that many facilities face when sampling for their ISGP.  With multiple stormwater inputs, hard-to-reach sampling points, and heavy coverings, […]

Industrial Permit
water flowing from outlet pipe into sample bottle

Sampling Stormwater from an Outlet Pipe

February 13, 2024

Sampling stormwater from an outlet pipe is often the easiest scenario to sample for your stormwater permit requirements. In most cases, the pipe is easy to identify, provides ample concentrated […]

Industrial Permit

Sample Handling

February 06, 2024

Sample handling is an often overlooked aspect of stormwater sampling that can have a significant impact on the accuracy of your results. The keys to proper sample handling are to […]

Industrial Permit
6 generic sampling bottles of various shapes and sizes

Stormwater Sampling Kit

January 30, 2024

Having all of your stormwater sampling supplies on hand and easily accessible is an essential way to ensure that you never miss a sampling event. While some special circumstances may […]

Industrial Permit

WSC Develops E&O Documents in Collaboration with Jurisdictions Statewide

November 15, 2023

The Washington Stormwater Center (WSC) has been actively collaborating with cities and counties from across Washington to enhance the management and quality of stormwater. These partnerships have been instrumental in […]

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Recap of Listening Sessions

September 12, 2023

The early listening sessions have provided a great space for the public to hear the proposed changes to the ISGP, ask questions about the implications of those changes, make suggestions, […]

Industrial Permit