Understanding Brownfields

A brownfield is real property whose reuse or redevelopment is complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant. Congress added this definition to the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), recognizing that l…continue

Restoring Riparian Corridors: Proven Techniques for Healthy Waterways

Riparian corridors, the vegetated strips that border rivers, streams, and lakes, serve as protective edges for both land and water. They filter pollutants, stabilize banks, slow floodwaters, recharge groundwater, and create habitat highways for fish and wildlife. When these corridors are degraded by…continue

Understanding Stormwater Outfalls: Types and Their Environmental Impact

What is a stormwater outfall? A stormwater outfall is the point where a storm-drain system, whether pipes, ditches, or channels, discharges runoff to a receiving water such as a stream, wetland, lake, or the ocean. Regulatory guidance clarifies that simple cross-road culverts, which only pass flow b…continue

Construction Site Runoff Control: Keeping Sediment, Chemicals, and Fines Out of Your Storm Drains

(In the photo above, the silt fence has been improperly installed, as you can see it was placed in loose, already excavated, soil.) Why Construction Runoff Matters A single acre of bare earth can release 10 - 20 times more sediment than the same acre in cropland, and up to 2,000 times more than a fo…continue

Unlocking Funding: Grants for Stormwater Infrastructure Improvement

Upgrading stormwater infrastructure is a pressing priority for municipalities across the country, yet it often comes with a hefty price tag. Whether addressing outdated culverts, installing green infrastructure, or improving data management and compliance under an MS4 permit, funding is frequently t…continue

Understanding Common Pollutants in Runoff

Stormwater runoff is one of the leading causes of water pollution in the United States. As rainfall or snowmelt flows over impervious surfaces such as roads, parking lots, and rooftops, it collects a wide array of pollutants that are carried into local waterways through storm drain systems. Understa…continue

How to Identify Illicit Stormwater Discharges

Protecting your community’s waterways starts with knowing what doesn’t belong. Illicit discharges are one of the most persistent threats to stormwater systems and local water quality. These unauthorized flows, often containing pollutants like oils, detergents, sewage, or industrial waste…continue