Storm Water Standards

Welcome to the UCEA storm water manual.  Select any section to learn more about engineering best management standards  and see examples.

Storm Water – Low Impact Development (LID)

WET SWALES

Wet Swales are a type of filtration BMP and occur when the water table is located close to the surface.  This wet swale acts as a very long and linear shallow wetland treatment...

Storm Water – Low Impact Development (LID)

DRY SWALES

A dry swale is a shallow, gently sloping drainage channel with broad, vegetated, side slopes. Swales provide temporary storage, filtration, and infiltration of stormwater runoff...

Storm Water – Low Impact Development (LID)

SWALES WITH CHECK DAMS

A check dam is a structure installed perpendicular to flow in a conveyance channel to reduce flow velocity. By slowing flow velocities, check dams can serve multiple...

Storm Water – Low Impact Development (LID)

GENERIC INFILTRATION GALLERIES

Typically, an infiltration gallery is a structure that is designed to dissipate stormwater through a pervious medium of straight graded rocks.  These galleries can include dome...

Storm Water – Low Impact Development (LID)

RAIN GARDENS

A rain garden is a depressed area in the landscape that collects rain water from a roof, driveway or street and allows it to soak into the ground.  More complex rain gardens...

Storm Water – Low Impact Development (LID)

PERMEABLE PAVEMENT AND PAVERS

Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly...

Storm Water – Low Impact Development (LID)

POST-CONSTRUCTION INLET PROTECTION/FILTERS

The Post-Construction Inlet Protection BMP/Filter provides a permanent method of removal of some pollutants for any storm drain inlet.  This system will capture and collect...

Storm Water – Low Impact Development (LID)

HYDRODYNAMIC SEPARATORS

The Hydrodynamic Separator (HDS) is a Best Management Practice (BMP) that uses the energy of the stormwater and the shape of the structure to separate some pollutants...

Storm Water – Low Impact Development (LID)

PARTICULATE FILTRATION SYSTEMS

Particulate filtration devices allow stormwater to pass through filter media which are designed to reduce specific stormwater pollutants, but primarily solids, nutrients, and...

Storm Water – Alternate Design Possibilities (ADP)

OUTLET SKIMMERS OR SHROUDS PRE-TREATMENT

A skimmer or shroud is typically a hooded device (see drawing) that is installed over the outlet pipe in a storm drain structure with a deep sump that can help prevent...

Storm Water – Low Impact Development (LID)

SATURATED HYDRAULIC CONDUCTIVITY RATES

A professional geotechnical engineer, geologist, or soil scientist licensed in Utah must identify basin location and perform site-specific geotechnical investigation....

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