(9 intermediate revisions by the same user not shown)
Line 27: Line 27:
 
*<span title="A vegetative, structural or combination treatment of streams designed to stabilize the stream and reduce erosion."> '''bank stabilization'''</span>
 
*<span title="A vegetative, structural or combination treatment of streams designed to stabilize the stream and reduce erosion."> '''bank stabilization'''</span>
 
*<span title="Baseflow (also called drought flow, groundwater recession flow, low flow, low-water flow, low-water discharge and sustained or fair-weather runoff) is the portion of streamflow delayed shallow subsurface flow".> '''baseflow'''</span>
 
*<span title="Baseflow (also called drought flow, groundwater recession flow, low flow, low-water flow, low-water discharge and sustained or fair-weather runoff) is the portion of streamflow delayed shallow subsurface flow".> '''baseflow'''</span>
 +
*<span title="The condition(s) existing at a defined point in time or the condition corresponding to a specified performance goal or target. Examples include but are not limited to initial conditions, expected performance (e.g. expected pollutant removal), or a point in time. Baseline condition provides a reference for comparison"> '''baseline condition'''</span>
 
*<span title="The year from which stormwater practices can be credited toward meeting a total maximum daily load (TMDL) wasteload allocation (WLA)"> '''[https://stormwater.pca.state.mn.us/index.php?title=Baseline_year baseline year]'''</span>
 
*<span title="The year from which stormwater practices can be credited toward meeting a total maximum daily load (TMDL) wasteload allocation (WLA)"> '''[https://stormwater.pca.state.mn.us/index.php?title=Baseline_year baseline year]'''</span>
 
*<span title="Base saturation is calculated as the percentage of CEC occupied by base cations (calcium, magnesium, potassium, sodium, hydrogen)> '''base saturation'''</span>
 
*<span title="Base saturation is calculated as the percentage of CEC occupied by base cations (calcium, magnesium, potassium, sodium, hydrogen)> '''base saturation'''</span>
Line 48: Line 49:
 
*<span title="The expected length of time over which a best management practice (bmp) can be expected to perform its intended function(s) before needing to be rebuilt or replaced. Maintenance is likely required during the lifespan period."> '''bmp lifespan'''</span>
 
*<span title="The expected length of time over which a best management practice (bmp) can be expected to perform its intended function(s) before needing to be rebuilt or replaced. Maintenance is likely required during the lifespan period."> '''bmp lifespan'''</span>
 
*<span title="Water level fluctuations due to topography, soils, and runoff inputs during and after precipitation events."> [https://stormwater.pca.state.mn.us/index.php?title=File:Drawdown_and_bounce_2.jpg '''bounce''']</span>
 
*<span title="Water level fluctuations due to topography, soils, and runoff inputs during and after precipitation events."> [https://stormwater.pca.state.mn.us/index.php?title=File:Drawdown_and_bounce_2.jpg '''bounce''']</span>
 +
*<span title="The length of time or amount of dosing required for concentrations in effluent passing through a media to equal or exceed concentrations in influent, or the time or dosing required to first observe a chemical in effluent."> '''breakthrough'''</span>
 
*<span title="A former industrial or commercial site where future use is affected by real or perceived environmental contamination"> '''brownfield''' </span>
 
*<span title="A former industrial or commercial site where future use is affected by real or perceived environmental contamination"> '''brownfield''' </span>
 
*<span title="Removal of vegetative brush"> '''Brushing''' </span>
 
*<span title="Removal of vegetative brush"> '''Brushing''' </span>
Line 189: Line 191:
 
*<span title="A grass-lined channel is a graded, vegetated channel that collects and conveys stormwater while encouraging infiltration into the ground."> '''grass channel'''</span>
 
*<span title="A grass-lined channel is a graded, vegetated channel that collects and conveys stormwater while encouraging infiltration into the ground."> '''grass channel'''</span>
 
*<span title="Gray stormwater is designed to move urban stormwater away from the built environment and includes curbs, gutters, drains, piping, and collection systems. Generally, traditional gray infrastructure collects and conveys stormwater from impervious surfaces, such as roadways, parking lots and rooftops, into a series of piping that ultimately discharges untreated stormwater into a local water body."> '''gray infrastructure'''</span>
 
*<span title="Gray stormwater is designed to move urban stormwater away from the built environment and includes curbs, gutters, drains, piping, and collection systems. Generally, traditional gray infrastructure collects and conveys stormwater from impervious surfaces, such as roadways, parking lots and rooftops, into a series of piping that ultimately discharges untreated stormwater into a local water body."> '''gray infrastructure'''</span>
*<span title="Green Infrastructure refers to ecological systems, both natural and engineered, that act as living infrastructure. Green Infrastructure elements are planned and managed primarily for stormwater control, but also exhibit social, economic and environmental benefits (Syracuse University)."> '''Green infrastructure'''</span>
+
*<span title="Green Infrastructure refers to ecological systems, both natural and engineered, that act as living infrastructure. Green Infrastructure elements are planned and managed primarily for stormwater control, but also exhibit social, economic and environmental benefits (Syracuse University)."> '''green infrastructure'''</span>
 
*<span title="Green stormwater infrastructure (GSI) describes practices that use natural systems (or engineered systems that mimic or use natural processes) to capture, clean, and infiltrate stormwater; shade and cool surfaces and buildings; reduce flooding, create wildlife habitat; and provide other services that improve environmental quality and communities’ quality of life. (City of Tucson)"> '''green stormwater infrastructure'''</span>
 
*<span title="Green stormwater infrastructure (GSI) describes practices that use natural systems (or engineered systems that mimic or use natural processes) to capture, clean, and infiltrate stormwater; shade and cool surfaces and buildings; reduce flooding, create wildlife habitat; and provide other services that improve environmental quality and communities’ quality of life. (City of Tucson)"> '''green stormwater infrastructure'''</span>
 
*<span title="Green roofs consist of a series of layers that create an environment suitable for plant growth without damaging the underlying roof system. Green roofs create green space for public benefit, energy efficiency, and stormwater retention/ detention."> '''[https://stormwater.pca.state.mn.us/index.php?title=Green_roofs green roof]'''</span>
 
*<span title="Green roofs consist of a series of layers that create an environment suitable for plant growth without damaging the underlying roof system. Green roofs create green space for public benefit, energy efficiency, and stormwater retention/ detention."> '''[https://stormwater.pca.state.mn.us/index.php?title=Green_roofs green roof]'''</span>
Line 314: Line 316:
 
*<span title="Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP)."> '''[https://stormwater.pca.state.mn.us/index.php?title=Permeable_pavement permeable pavement]'''</span>
 
*<span title="Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP)."> '''[https://stormwater.pca.state.mn.us/index.php?title=Permeable_pavement permeable pavement]'''</span>
 
*<span title="a subsurface emplacement of reactive materials through which a dissolved contaminant plume must move as it flows. Treated water exits the other side of the permeable barrier. This method may utilize bilogical or chemical methods for pollutant removal."> '''permeable reactive barrier'''</span>
 
*<span title="a subsurface emplacement of reactive materials through which a dissolved contaminant plume must move as it flows. Treated water exits the other side of the permeable barrier. This method may utilize bilogical or chemical methods for pollutant removal."> '''permeable reactive barrier'''</span>
 +
*<span title="The permeameter is a laboratory tool to measure the saturated permeability, or K-factor, of soil samples."> '''permeameter'''</span>
 
*<span title="The Phase I program for MS4s requires operators of “medium” and “large” MS4s, that is, those that generally serve populations of 100,000 or greater, to implement a stormwater management program as a means to control polluted discharges from these MS4s"> '''Phase 1'''</span>
 
*<span title="The Phase I program for MS4s requires operators of “medium” and “large” MS4s, that is, those that generally serve populations of 100,000 or greater, to implement a stormwater management program as a means to control polluted discharges from these MS4s"> '''Phase 1'''</span>
 
*<span title="The Stormwater Phase II Rule extends coverage of the NPDES stormwater program to certain “small” MS4s but takes a slightly different approach to how the stormwater management program is developed and implemented."> '''Phase 2'''</span>
 
*<span title="The Stormwater Phase II Rule extends coverage of the NPDES stormwater program to certain “small” MS4s but takes a slightly different approach to how the stormwater management program is developed and implemented."> '''Phase 2'''</span>
Line 459: Line 462:
 
*<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>
+
*<span title="A rainfall distribution characterized by short duration, high intensity rainfall"> '''[https://www.hec.usace.army.mil/confluence/hmsdocs/hmstrm/precipitation/scs-storm Type 2 rain distribution]'''</span>
  
 
==U==
 
==U==
Line 469: Line 472:
  
 
==V==
 
==V==
 +
*<span title="The vadose zone is the variably saturated zone between the ground surface and the permanent water table of the groundwater."> '''vadose zone'''</span>
 
*<span title="Vanes are channel-spanning structures that provide grade control, dissipate energy, deflect stream flow to the center of the channel, and create pools"> '''vane weir structures'''</span>
 
*<span title="Vanes are channel-spanning structures that provide grade control, dissipate energy, deflect stream flow to the center of the channel, and create pools"> '''vane weir structures'''</span>
 
*<span title="Vegetative filtering is the removal of sediment, nutrients, or pollutants by plant structures"> '''vegetative filtering'''</span>
 
*<span title="Vegetative filtering is the removal of sediment, nutrients, or pollutants by plant structures"> '''vegetative filtering'''</span>
Line 485: Line 489:
 
*<span title="Water quality standards (WQS) are provisions of state, territorial, authorized tribal or federal law approved by EPA that describe the desired condition of a water body and the means by which that condition will be protected or achieved."> '''water quality standard'''</span>
 
*<span title="Water quality standards (WQS) are provisions of state, territorial, authorized tribal or federal law approved by EPA that describe the desired condition of a water body and the means by which that condition will be protected or achieved."> '''water quality standard'''</span>
 
*<span title="The volume of water that is treated by a BMP."> [https://stormwater.pca.state.mn.us/index.php?title=Water_quality_criteria '''Water Quality Volume''']</span>
 
*<span title="The volume of water that is treated by a BMP."> [https://stormwater.pca.state.mn.us/index.php?title=Water_quality_criteria '''Water Quality Volume''']</span>
*<span title="The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water. ... Below the water table, in the phreatic zone (zone of saturation), layers of permeable rock that yield groundwater are called aquifers."> '''A water table aquifer'''</span>
+
*<span title="The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water. ... Below the water table, in the phreatic zone (zone of saturation), layers of permeable rock that yield groundwater are called aquifers."> '''water table'''</span>
 
*<span title="A process, including a report, to identify and address threats to water quality in major watershed"> '''[https://www.pca.state.mn.us/water/watershed-approach-restoring-and-protecting-water-quality Watershed Restoration and Protection Strategy]'''</span>
 
*<span title="A process, including a report, to identify and address threats to water quality in major watershed"> '''[https://www.pca.state.mn.us/water/watershed-approach-restoring-and-protecting-water-quality Watershed Restoration and Protection Strategy]'''</span>
 
*<span title="Wave energy (or wave power) is the transport and capture of energy by surface water waves"> '''wave energy'''</span>
 
*<span title="Wave energy (or wave power) is the transport and capture of energy by surface water waves"> '''wave energy'''</span>
Line 494: Line 498:
 
*wet storage
 
*wet storage
 
*<span title="Wet swales occur when the water table is located very close to the surface or water does not readily drain out of the swale. A wet swale acts as a very long and linear shallow biofiltration or linear wetland treatment system."> [https://stormwater.pca.state.mn.us/index.php?title=Wet_swale_(wetland_channel) '''wet swale''']</span>
 
*<span title="Wet swales occur when the water table is located very close to the surface or water does not readily drain out of the swale. A wet swale acts as a very long and linear shallow biofiltration or linear wetland treatment system."> [https://stormwater.pca.state.mn.us/index.php?title=Wet_swale_(wetland_channel) '''wet swale''']</span>
 +
*<span title="The interface between soil that is unchanged from the initial state and the newly wetted zone from an infiltration or irrigation event."> '''wetting front'''</span>
 
*<span title="The wilting point, also called the permanent wilting point, may be defined as the amount of water per unit weight or per unit soil bulk volume in the soil, expressed in percent, that is held so tightly by the soil matrix that roots cannot absorb this water and a plant will wilt."> '''wilting point'''</span>
 
*<span title="The wilting point, also called the permanent wilting point, may be defined as the amount of water per unit weight or per unit soil bulk volume in the soil, expressed in percent, that is held so tightly by the soil matrix that roots cannot absorb this water and a plant will wilt."> '''wilting point'''</span>
 
*<span title="A stormwater quality model developed for the USGS by John Voorhees and Robert Pitt for evaluation of nonpoint pollution in urban areas. The model is based on field observations of grass swales, wet detention ponds, porous pavement, filter strips, cisterns and rain barrels, hydrodynamic settling devices, rain gardens/biofilters and street sweeping, as either other source area or outfall control practices. The focus of the model is on small storm hydrology and particulate washoff."> [https://stormwater.pca.state.mn.us/index.php?title=Available_stormwater_models_and_selecting_a_model#WinSLAMM '''WinSLAMM''']</span>
 
*<span title="A stormwater quality model developed for the USGS by John Voorhees and Robert Pitt for evaluation of nonpoint pollution in urban areas. The model is based on field observations of grass swales, wet detention ponds, porous pavement, filter strips, cisterns and rain barrels, hydrodynamic settling devices, rain gardens/biofilters and street sweeping, as either other source area or outfall control practices. The focus of the model is on small storm hydrology and particulate washoff."> [https://stormwater.pca.state.mn.us/index.php?title=Available_stormwater_models_and_selecting_a_model#WinSLAMM '''WinSLAMM''']</span>
Line 502: Line 507:
  
 
==Z==
 
==Z==
 +
 +
[[Category:Level 2 - General information, reference, tables, images, and archives/Reference]]

Latest revision as of 14:34, 22 January 2023

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

  • active karst
  • aggregate
  • aggregation
  • alum
  • aliphatic
  • aliquot
  • anthropogenic
  • antidegradation
  • aquatic habitat
  • armoring
  • aromatic
  • arterial roads
  • anoxic
  • as-built
  • aspect
  • available water capacity

B

  • baffle
  • bank stabilization
  • baseflow
  • baseline condition
  • baseline year
  • base saturation
  • basin
  • bathymetric survey
  • berm
  • best management practice
  • Better Site Design
  • biochar
  • bioavailable
  • biodegradation
  • biofiltration
  • bioinfiltration
  • biological oxygen demand
  • biomass
  • bioreactor
  • bioretention practice
  • Bioswale
  • biotic impairment
  • blue-green infrastructure
  • bmp lifespan
  • bounce
  • breakthrough
  • brownfield
  • Brushing
  • buffer zones
  • build-up
  • bulk density
  • bypass flow

Ca-Cl

  • C-33 sand
  • carbon sequestration
  • catch basin
  • catchment
  • categorical wasteload allocation
  • cation exchange capacity
  • cellulose
  • chain of custody
  • channelized flow
  • chemical oxygen demand
  • check dam
  • chelating agent
  • cistern
  • clay
  • claypan
  • Clean Water Act
  • climate adaptation

Cm-Cz

D

E

F

  • feedstock
  • fiber roll
  • field capacity
  • fill
  • filter fabric
  • filter strip
  • filtration
  • fine sand
  • final stabilization
  • fine textured soil
  • first flush
  • flash
  • floatables
  • flocculant
  • flocculation
  • flow path
  • flow-through device
  • flow-weighted mean concentration
  • fluvial systems
  • footprint
  • forebay
  • fractured flow
  • functional group

G

  • Geographic Information System (GIS)
  • geometric mean
  • geotextile
  • Global Positioning System (GPS)
  • grade
  • grade control structures
  • grass channel
  • gray infrastructure
  • green infrastructure
  • green stormwater infrastructure
  • green roof
  • green space
  • geotextile
  • gross solids
  • grubbing

H

  • hardness
  • harvest and reuse
  • heat island
  • herbaceous perennial
  • herbivory
  • High-density polyethylene
  • highly urban and ultra-urban environments
  • hopper
  • hydraulic conductivity (k)
  • hydraulic grade line
  • hydraulic gradient (i),
  • hydraulic head
  • hydraulic model
  • hydric
  • hydrocarbon
  • hydrodynamic separator
  • hydrogeology
  • hydrologic soil group
  • hydrometer
  • hydroseed

I

J

K

L

  • large lot residential
  • leaching
  • level spreader
  • lidar
  • lignin
  • live storage
  • loam
  • longitudinal slope
  • low impact development (LID)
  • low permeability soils
  • lysimeter

M

  • macropore
  • manhole
  • manufactured treatment device
  • media
  • mesic
  • mesocarp
  • mesotrophic
  • microclimate
  • model
  • moderate to steep slopes
  • mounding
  • MS4 (Municipal Separate Storm Sewer System)
  • mulching

N

  • native species
  • NPDES
  • nitrification
  • nitrous oxide
  • non-structural practice
  • Notice of Termination
  • nutrient cycling

O

Pa-Pm

  • P8
  • particle size distribution
  • particulate phosphorus
  • particulate matter (air)
  • particulate matter (water)
  • ped
  • pathogen
  • perennial
  • perennial stream
  • performance goal
  • perimeter control
  • permanent cover
  • permanent pool
  • permanent stormwater management
  • permeable pavement
  • permeable reactive barrier
  • permeameter
  • Phase 1
  • Phase 2
  • physically-based model
  • pilings
  • plug flow
  • plugs
  • point of discharge

Pn-Pz

  • pollution prevention
  • polycyclic aromatic hydrocarbons
  • polymer
  • porosity (f)
  • Portland cement concrete
  • Prairie du Chien formation
  • Prescribed burning
  • pre-settlement
  • pretreatment
  • pre-wetting
  • primary treatment practice
  • proprietary structures
  • public ditch
  • public water

Q

  • QA/QC
  • Quality Assurance Project Plan

R

Sa-Sn

So-Sz

T

U

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

V

W

X

Y

Z

This page was last edited on 22 January 2023, at 14:34.