Stormwater Systems

EWSG offers crews thoroughly trained in best practices for dry and wet storm drain cleaning techniques for closed pipes, open channels or paved ditches. Debris and pollutants that can lead to clogging, flooding and water quality problems are removed, eliminating problems such as foul odors, excessive sediment export and reduced dissolved oxygen in receiving waters. Our crews are trained on applicable regulations and acceptable cleaning and disposal procedures, and work with you on your preferred cleaning frequency.

Service Overview

Debris and pollutants that can lead to clogging, flooding and water quality issues are removed, eliminating problems such as foul odors, excessive sediment export, and reduced dissolved oxygen in receiving waters. Our crews are trained on applicable regulations and acceptable cleaning and disposal procedures, and work with you on your preferred cleaning frequency.

Problem

Stormwater box culverts, lift stations, pipelines and other infrastructure assets are subject to friction from fast-flowing, debris-laden water. Especially after a heavy wind and rain event, they can easily fill up with grit, leaves, tree limbs (and sometimes even entire trees), and trash that has blown or floated in on floodwaters. This can quickly clog the structure so that stormwater can no longer flow through as intended, causing severe backups into

streets and roadways, businesses and homes, and even invasion into sewer systems, causing sanitary sewer overflows (SSOs). If these conditions are not rectified, such overflows can trigger consent decrees and other unpleasant consequences.

Solution

Our operations managers assess the extent of cleaning required, then assemble a team of experienced, knowledgeable technicians. They are versed in best practices for safety, effectiveness and efficiency, in returning your renewed asset to productive service as quickly and affordably as possible.

Result

Once your newly refreshed structure is back in service, it is returned to peak capacity and optimal processing performance, avoiding dangerous and costly flooding and overflow events. You’ll also avoid related public complaints and negative publicity, giving you peace of mind.

Tools and Methods

Our professional technicians, trained in confined space entry and work, and fully outfitted in required PPE, will team up for safety and efficiency as they bring ultra-high pressure hoses and nozzles into the affected asset. They will survey the geometry of the structure and measure the depth of material to be removed before deciding where to begin blasting away debris. Larger structures will be blasted, then evacuated by the large-diameter hoses and nozzles of our combination trucks, which will dispose of the resulting debris in a location you have indicated can safely and legally receive the waste material.