Mar 10, 2025 · The Stormwater Discharge Mapping Tool can helps determine the receiving waters which your facility discharges and whether they are considered impaired.

Jun 24, 2024 · Outfall. An outfall is when collected stormwater is discharged from a pipe, channel, or other conveyance system into a receiving water body, such as a stream, river, lake, or …

Drainage systems must prevent erosion of existing soils, prevent ponding, and convey flow to a suitable outfall location. Use pump stations and transmission mains only with explicit …

Outfall systems include rock splash pads, flow dispersal trenches, gabion or other energy dissipators, and tightline systems. A tightline system is typically a continuous length of pipe …

A terminal outfall is a point of a stormwater drainage system where collected stormwater or wastewater is released into a larger body of water, such as a river, lake, or ocean. In …

A storm drain is that portion of the highway drainage system which receives surface water through inlets and conveys the water through a network of pipes to an outfall (see figure below). It is …

Jan 7, 2015 · A stormwater outfall is defined as any “point at which storm water is discharged to waters of the state or to a storm sewer” (NR Code 216). Outfalls are further categorized by 2 …

Aug 6, 2003 · in order to gravity drain and maintain minimum cover over pipes, the outfalls often end up submerged. your design may want to consider the tailwater level to be something …

Nov 2, 2021 · A storm drain, also known as storm sewer is a drainage system designed to drain excess rain or surface water from impervious surfaces like roofs, sidewalks, parking lots, car …

Apr 29, 2025 · Learn how to perform a detailed analysis to determine if, how, and when stormwater systems will be compromised by coastal flooding. Familiarity with stormwater …