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==A==
 
==A==
 
*<span title="a broad category of coarse to medium grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates"> '''aggregate'''</span>
 
*<span title="a broad category of coarse to medium grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates"> '''aggregate'''</span>
 +
*<span title="of, relating to, or resulting from the influence of human beings on nature"> '''anthropogenic'''</span>
 
*<span title="antidegradation means that no pollutant discharges or activities will be permitted if these may cause surface waters already meeting water quality standards to drop below those standards."> '''antidegradation'''</span>
 
*<span title="antidegradation means that no pollutant discharges or activities will be permitted if these may cause surface waters already meeting water quality standards to drop below those standards."> '''antidegradation'''</span>
 
*<span title="a habitat with water. It includes areas that are permanently covered by water and surrounding areas that are occasionally covered by water. Estuaries, rivers, and marshes are examples of aquatic habitats."> '''aquatic habitat'''</span>
 
*<span title="a habitat with water. It includes areas that are permanently covered by water and surrounding areas that are occasionally covered by water. Estuaries, rivers, and marshes are examples of aquatic habitats."> '''aquatic habitat'''</span>
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*<span title="a measure of how many cations can be retained on soil particle surfaces"> '''cation exchange capacity'''</span>
 
*<span title="a measure of how many cations can be retained on soil particle surfaces"> '''cation exchange capacity'''</span>
 
*<span title="chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence"> '''chain of custody'''</span>
 
*<span title="chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence"> '''chain of custody'''</span>
 +
*<span title="Chemical oxygen demand (COD) is the amount of oxygen necessary to oxidize all of the organic carbon completely to CO2 and H2O."> '''chemical oxygen demans'''</span>
 
*<span title="A check dam is a structure installed perpendicular to flow in a natural or manmade conveyance channel to reduce flow velocity. By slowing flow velocities, check dams can serve multiple functions including reduction of channel scour and erosion, enhancement of sediment trapping, and greater treatment of the water quality control volume via enhanced water detention or retention. Typical check dam materials include rock, earth, wood, and concrete. "> '''check dam'''</span>
 
*<span title="A check dam is a structure installed perpendicular to flow in a natural or manmade conveyance channel to reduce flow velocity. By slowing flow velocities, check dams can serve multiple functions including reduction of channel scour and erosion, enhancement of sediment trapping, and greater treatment of the water quality control volume via enhanced water detention or retention. Typical check dam materials include rock, earth, wood, and concrete. "> '''check dam'''</span>
 
*<span title="a waterproof receptacle for holding liquids, usually water. Cisterns are often built to catch and store rainwater."> '''cistern'''</span>
 
*<span title="a waterproof receptacle for holding liquids, usually water. Cisterns are often built to catch and store rainwater."> '''cistern'''</span>
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*<span title="fiber from the outer husk of the coconut"> '''[https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management coir]'''</span>
 
*<span title="fiber from the outer husk of the coconut"> '''[https://stormwater.pca.state.mn.us/index.php?title=Coir_and_applications_of_coir_in_stormwater_management coir]'''</span>
 
*<span title="a low-to-moderate-capacity road which serves to move traffic from local streets to arterial roads. Unlike arterials, collector roads are designed to provide access to residential properties."> '''collector roadway''' </span>
 
*<span title="a low-to-moderate-capacity road which serves to move traffic from local streets to arterial roads. Unlike arterials, collector roads are designed to provide access to residential properties."> '''collector roadway''' </span>
 +
*<span title="Combined sewer systems are sewers that are designed to collect rainwater runoff, domestic sewage, and industrial wastewater in the same pipe."> '''combined sewer'''</span>
 
*<span title="the process in which a stress applied to a soil causes densification as air is displaced from the pores between the soil grains. Compaction is desired in construction practices and undesirable when promoting infiltration into soil."> [https://stormwater.pca.state.mn.us/index.php/Alleviating_compaction_from_construction_activities '''compacted soil''']</span>
 
*<span title="the process in which a stress applied to a soil causes densification as air is displaced from the pores between the soil grains. Compaction is desired in construction practices and undesirable when promoting infiltration into soil."> [https://stormwater.pca.state.mn.us/index.php/Alleviating_compaction_from_construction_activities '''compacted soil''']</span>
 
*<span title="the product resulting from the controlled biological decomposition of organic materials that has been sanitized through the generation of heat and stabilized to the point that it is beneficial to plant growth"> [https://stormwater.pca.state.mn.us/index.php?title=Compost_and_stormwater_management '''compost''']</span>
 
*<span title="the product resulting from the controlled biological decomposition of organic materials that has been sanitized through the generation of heat and stabilized to the point that it is beneficial to plant growth"> [https://stormwater.pca.state.mn.us/index.php?title=Compost_and_stormwater_management '''compost''']</span>
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==D==
 
==D==
 
*<span title="Dead or inactive storage refers to water in a reservoir that cannot be drained by gravity through a dam's outlet"> '''dead storage'''</span>
 
*<span title="Dead or inactive storage refers to water in a reservoir that cannot be drained by gravity through a dam's outlet"> '''dead storage'''</span>
 +
*<span title="Deicing typically refers to removal of salt from impervious surfaces, such as roads, driveways, parking lots, and sidewalks. Chemicals, most commonly sodium chloride, are often used for deicing."> '''deicing'''</span>
 
*<span title="Depression storage refers to small low points in undulating terrain that can store precipitation that otherwise would become runoff. The precipitation stored in these depressions is then either removed through infiltration into the ground or by evaporation."> '''depression storage'''</span>
 
*<span title="Depression storage refers to small low points in undulating terrain that can store precipitation that otherwise would become runoff. The precipitation stored in these depressions is then either removed through infiltration into the ground or by evaporation."> '''depression storage'''</span>
 
*<span title="the rate of flow which a device is designed to handle"> '''design flow'''</span>
 
*<span title="the rate of flow which a device is designed to handle"> '''design flow'''</span>
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*point of discharge
 
*point of discharge
 
*<span title="any practice that reduces, eliminates, or prevents pollution at its source"> '''pollution prevention'''</span>
 
*<span title="any practice that reduces, eliminates, or prevents pollution at its source"> '''pollution prevention'''</span>
 +
*<span title="a class of chemicals that occur naturally in coal, crude oil, and gasoline. They also are produced when coal, oil, gas, wood, garbage, and tobacco are burned."> '''polycyclic aromatic hydrocarbons'''</span>
 
*<span title="Polymers are large molecules, or macromolecules, composed of many repeated subunits. For water treatment, they are used as coagulants and may be cationic, anionic, or neutral, depending on the desired treatment."> '''polymer'''</span>
 
*<span title="Polymers are large molecules, or macromolecules, composed of many repeated subunits. For water treatment, they are used as coagulants and may be cationic, anionic, or neutral, depending on the desired treatment."> '''polymer'''</span>
 
*<span title="Porosity or void fraction is a measure of the void (i.e. empty) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%."> '''porosity (f)'''</span>
 
*<span title="Porosity or void fraction is a measure of the void (i.e. empty) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%."> '''porosity (f)'''</span>
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*<span title="the process of planning and applying fire to a predetermined area, under specific environmental conditions, to achieve a desired outcome"> '''Prescribed burning'''</span>
 
*<span title="the process of planning and applying fire to a predetermined area, under specific environmental conditions, to achieve a desired outcome"> '''Prescribed burning'''</span>
 
*<span title="Pretreatment reduces maintenance and prolongs the lifespan of structural stormwater BMPs by removing trash, debris, organic materials, coarse sediments, and associated pollutants prior to entering structural stormwater BMPs. Implementing pretreatment devices also improves aesthetics by capturing debris in focused or hidden areas. Pretreatment practices include settling devices, screens, and pretreatment vegetated filter strips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span>
 
*<span title="Pretreatment reduces maintenance and prolongs the lifespan of structural stormwater BMPs by removing trash, debris, organic materials, coarse sediments, and associated pollutants prior to entering structural stormwater BMPs. Implementing pretreatment devices also improves aesthetics by capturing debris in focused or hidden areas. Pretreatment practices include settling devices, screens, and pretreatment vegetated filter strips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span>
 +
*<span title="Pre-wetting of salt is a process of coating, or treating, the dry material with a liquid."> '''pre-wetting'''</span>
 
*<span title="a pre-fabricated stormwater treatment structure utilizing settling, filtration, absorptive/adsorptive materials, vortex separation, vegetative components, and/or other appropriate technology to remove pollutants from storm runoff."> '''proprietary structures'''</span>
 
*<span title="a pre-fabricated stormwater treatment structure utilizing settling, filtration, absorptive/adsorptive materials, vortex separation, vegetative components, and/or other appropriate technology to remove pollutants from storm runoff."> '''proprietary structures'''</span>
 
*<span title="A constructed conveyance designed to drain land and to collect water quickly and efficiently"> '''public ditch'''</span>
 
*<span title="A constructed conveyance designed to drain land and to collect water quickly and efficiently"> '''public ditch'''</span>
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*<span title="Turf reinforcement mats (TRMs) are synthetic, non-degradable soil and seedbed covers of variable thickness designed to provide short-term protection against raindrop and wind erosion, permanent support for vegetation on slopes, and permanent armoring and vegetation support for ditches, swales, and channels."> [https://stormwater.pca.state.mn.us/index.php?title=Erosion_prevention_practices_-_turf_reinforcement_mats '''turf reinforcement mat''']</span>
 
*<span title="Turf reinforcement mats (TRMs) are synthetic, non-degradable soil and seedbed covers of variable thickness designed to provide short-term protection against raindrop and wind erosion, permanent support for vegetation on slopes, and permanent armoring and vegetation support for ditches, swales, and channels."> [https://stormwater.pca.state.mn.us/index.php?title=Erosion_prevention_practices_-_turf_reinforcement_mats '''turf reinforcement mat''']</span>
 
*<span title="Two-stage  channel  systems  consist  of  an  inset  channel  and  small  floodplain (benches) within the ditch confines. "> '''two-stage channel'''</span>
 
*<span title="Two-stage  channel  systems  consist  of  an  inset  channel  and  small  floodplain (benches) within the ditch confines. "> '''two-stage channel'''</span>
 +
*<span title="A rainfall distribution characterized by short duration, high intensity rainfall"> '''[https://www.wcc.nrcs.usda.gov/ftpref/wntsc/H&H/NEHhydrology/ch4_Sept2015draft.pdf Type 2 rain distribution]'''</span>
  
 
==U==
 
==U==

Revision as of 13:59, 11 May 2020

Hover boxes allow the user to hover over bolded text and see a definition for that text. If the bolded text is blue, there is a link to more information.

We have only begun to use them since June, 2019. When we modify older pages, we will incorporate hover boxes into updates.

This page lists standard definitions used in hover boxes throughout this manual. Hover your mouse over any bolded term and a definition will be displayed. This list will continue to expand as new terms are encountered. You'll note that some terms have not yet been defined (not bolded).

A

  • aggregate
  • anthropogenic
  • antidegradation
  • aquatic habitat
  • armoring
  • arterial roads
  • alum
  • anoxic

B

  • baffle
  • bank stabilization
  • baseflow
  • basin
  • bathymetric survey
  • berm
  • best management practice
  • biochar
  • bioavailable
  • biodegradation
  • biofiltration
  • bioinfiltration
  • biological oxygen demand
  • biomass
  • bioretention practice
  • Bioswale
  • biotic impairment
  • brownfield
  • Brushing
  • buffer zones
  • build-up
  • bypass flow

C

  • catch basin
  • catchment
  • categorical wasteload allocation
  • cation exchange capacity
  • chain of custody
  • chemical oxygen demans
  • check dam
  • cistern
  • clay
  • Clean Water Act
  • coagulation
  • coarse sediment
  • cofferdam
  • coir
  • collector roadway
  • combined sewer
  • compacted soil
  • compost
  • compost maturity
  • concentrated flow
  • concentrated stormwater runoff
  • connected impervious
  • continuous model
  • contributing area
  • conventional roof
  • curb-cut
  • curb bump-out
  • curve number method

D

E

F

G

  • Geographic Information System (GIS)
  • geometric mean
  • geotextile
  • grade
  • grade control structures
  • green roof
  • green space
  • geotextile
  • gross solids
  • grubbing

H

  • herbaceous perennial
  • High-density polyethylene
  • highly urban and ultra-urban environments
  • hydraulic conductivity (k)
  • hydraulic grade line
  • hydraulic gradient (i),
  • hydraulic model
  • hydrodynamic separator
  • hydrogeology
  • hydrologic soil group
  • hydroseed

I

J

K

L

  • large lot residential
  • leaching
  • level spreader
  • lignin
  • live storage
  • loam
  • longitudinal slope
  • low permeability soils

M

N

O

P

  • particle size distribution
  • pathogen
  • perennial
  • perennial stream
  • performance goal
  • perimeter control
  • permanent cover
  • permanent stormwater management
  • permeable pavement
  • Phase 1
  • Phase 2
  • physically-based model
  • pilings
  • plug flow.
  • plugs
  • point of discharge
  • pollution prevention
  • polycyclic aromatic hydrocarbons
  • polymer
  • porosity (f)
  • Portland cement concrete
  • Prairie du Chien formation,
  • Prescribed burning
  • pretreatment
  • pre-wetting
  • proprietary structures
  • public ditch
  • public water

Q

  • QA/QC
  • Quality Assurance Project Plan

R

  • rainfall distribution
  • Rational Method
  • receiving water
  • redundant
  • removal efficiency
  • resuspension
  • riparian zone
  • riprap
  • riprap
  • rock armored
  • rock riffle
  • runoff coefficient

Sa-Sn

So-Sz

  • soil aggregation
  • soil compaction
  • soil erosion
  • soil moisture holding capacity (gravity drained water)
  • soil organic matter
  • soil quality
  • soil stabilization
  • soil structure
  • soil texture
  • soil type
  • soluble
  • sonde
  • sorption
  • special water
  • specific gravity
  • spill response plan
  • spillway
  • standard operating procedure
  • steep slopes
  • stockpile
  • Stoke's Law
  • stormwater conveyance channel
  • stormwater hotspot
  • stormwater wetland
  • structural stormwater BMP
  • subsurface sewage treatment system (SSTS)
  • sump
  • sump manhole
  • surface roughness
  • suspended solids
  • swale
  • SWPPP

T

U

  • highly urban and ultra-urban environments
  • underdrain
  • under-draining
  • undersized BMP

V

W

X

Y

Z