![]() Pretreatment for above-ground or shallow below-ground storageįilterra is offered in multiple configurations to meet site specific needs.Low Impact Development, Green Infrastructure, and Environmental Site Design. ![]() North Carolina Department of Environmental Quality (NC DEQ).City of Portland, Oregon Bureau of Environmental Services.Los Angeles County, CA - Alternate to Attachment H.Maine Department of Environmental Protection (ME DEP). ![]() Virginia Department of Environmental Quality (VA DEQ).Texas Commission on Environmental Quality (TCEQ).Maryland Department of the Environment - Environmental Site.Washington Department of Ecology (GULD) – Basic, Enhanced,.New Jersey Department of Environmental Protection (NJ DEP).Some jurisdictions recognize higher removal rates - see your Contech Stormwater Consultant for performance expectations.įilterra is approved through numerous local, state and federal verification programs, including: Realistic and repeatable performance expectations. Information above is based on results from third partyįield studies following industry recognized protocols such as TAPE andįor each pollutant, and corresponding data was aggregated to provide Examining the Phosphorus Problem: What the Data Tells Us About Reducing Phosphorus in Stormwater.Stream Crossing Replacement: A Case Study on Rural Hydraulics. ![]()
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