Hydrologic Solutions, Inc. - Environmental & Ecological Consulting

Stormchambers or Storm Chambers can be used for infiltrator systems, rainwater retention systems, subsurface water management, surface water runoff, drainage solutions, flood management, stormwater runoff, underground water storage, managing stormwater, rainwater containment, wastewater management, sc-740, rainwater runoff, sc-310, septic applications, subsurface retention, underground stormwater management, wastewater applications, stormwater retention, groundwater recharging, storm water runoff and Rainwater Retention Systems.

SUPPORTING DOCUMENTATION

The StormChamber™ system improves water quality through the same process as a septic drain field. A biomat of micro-organisms forms on the soil and stone underlying the chambers, which metabolizes pollutants and converts nutrients to non-contaminating byproducts.

In order for municipalities to comply with the new EPA Phase II storm water and Total Maximum Daily Load (TMDL) regulations, HydroLogic Solutions has developed the StormChamber™ as a management tool for the control of storm water runoff, sediment control, and nutrient removal, designed to overcome the deficiencies of older technologies.

POLLUTANT PARAMETER INFILTRATION Wetland Water Quality Pond Filtering System Water Quality Swale

Total Phosphorus 65 51 45.5 45 14.5

Total Nitrogen 82.5 20.9 30 32 10.5

Lead 98 63 66.5 71 50

Zinc 99 53.5 50.5 69 49

Suspended Solids 88.5 78 70 81 66

Organic Carbon 82 28 35 57 23

Source: Brown, Whitney, Schueler, Thomas & National Pollutant Removal Performance Database for
Stormwater BMPs, August 1997, Center for Watershed Protection, Ellicott City, Maryland.

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