Meaningful Dry-Weather Flow Reductions

Meaningful Dry-Weather Flow Reductions

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Dry-weather runoff, or non-stormwater discharge, is flow that enters the municipal separate storm sewer system (MS4) from a combination of activities including lawn watering, over-irrigation, car washing, illegal discharges, and groundwater seepage. These flows, often called “urban drool,” pose an environmental threat due in large part to the trash, sediment,  … Read More

Natural Stream Channel Restoration

Natural Stream Channel Restoration

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EPA protects water quality by regulating municipal separate storm sewer systems (MS4s) to reduce the pollutants that stormwater runoff carries into storm sewers. Nonpoint source pollutants from impervious surfaces such as oil, grease (hydrocarbons), heavy metals from vehicles and atmospheric deposition, fertilizers, pesticides, and sediments are commonly picked up by  … Read More

River Vision: Denver’s South Platte Communities Transformed

River Vision: Denver’s South Platte Communities Transformed

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Collaborative construction delivery models such as construction manager/general contractor (CM/GC) with preconstruction services are increasingly proving beneficial to owners and contractors. City and County of Denver’s River Vision is a stunning example of how these methods are providing increased value.  … Read More

Unseen Connections

Unseen Connections

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Pipes of all kinds are mostly out of sight, out of mind. People know and appreciate the danger of a leak from a gas pipe. They understand the difficulties that come from a break in a sewer line. But they seldom consider or have a passing thought about pipes that  … Read More

Mowing for Water Quality

Mowing for Water Quality

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Mowers are, literally and figuratively, the cutting edge for managing vegetation. And with new technologies and designs, they offer solutions that are also cost-effective.  … Read More



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