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• Case study for using the MIDS calculator to meet TMDL permit requirements
  ...ual MS4, rather than combining the WLAs assigned to all MS4s into a single combined (categorical) WLA. The TMDL and WLAs developed in the TMDL document include ...the discharge of pollutants in stormwater"> '''structural'''</span> (e.g., infiltration BMPs) and non-structural BMPs (e.g., street sweeping) within the portion of
  26 KB (3,924 words) - 16:08, 12 January 2023
• Water quantity and hydrology benefits of Green Stormwater Infrastructure
  .... The annual volume lost depends on the position of the underdrain and the infiltration characteristics of the underlying soil. In vegetated practices with underdr ...mn.us/index.php?title=Stormwater_infiltration_Best_Management_Practices '''Infiltration''']</span> practices retain all water captured by the practice. This captur
  31 KB (4,513 words) - 22:10, 16 February 2023
• Test page 6
  ...a simplistic, site-integrated design that provides opportunity for runoff infiltration, filtration, storage, and water uptake by vegetation. ...ms) of the permit. If used in combination with other practices, credit for combined stormwater treatment can be given. Due to the statewide prevalence of the M
  18 KB (2,519 words) - 16:10, 2 February 2023
• Requirements, recommendations and information for using trees as a BMP in the MIDS calculator
  ...porosity]] (soil saturation) and field capacity that is thus available for infiltration into the underlying soils. If multiple types of media are used in the BMP, ...ue from the values in the predefined selection list. The maximum allowable infiltration rate is 1.63 inches per hour.
  33 KB (5,371 words) - 19:08, 23 November 2022
• Examples for completing the TMDL reporting form
  *B (SM) soils (design infiltration rate of 0.45 inches per hour) *The two infiltration BMPs (INF5 and INF6) were combined into a single BMP designed to exactly treat the MIDS performance goal of 1.
  32 KB (5,079 words) - 15:54, 5 January 2023
• Support document for Checklist for bacteria source inventory
  ...of pet waste bags, Elimination of over-spray irrigation, Street sweeping, Infiltration BMPs, Waterfowl management, Other, and NA (not applicable). ...astructure_-_Sanitary_sewer_inflow_and_infiltration_.28I.26I.29 inflow and infiltration], and [https://stormwater.pca.state.mn.us/index.php?title=Support_document_
  50 KB (7,101 words) - 03:27, 25 February 2023
• Summary of changes in Version 4 Minimal Impact Design Standards (MIDS) Calculator
  ...rds_(MIDS)_Calculator#Infiltration_restriction_for_D_soils Restrictions on infiltration in D soils] ...dards_(MIDS)_Calculator#Accounting_for_bypass Accounting for bypass in non-infiltration and undersized BMPs]
  28 KB (4,322 words) - 14:19, 2 April 2024
• Pollutant removal associated with street sweeping
  ...although this same assumption applies to structural practices, except for infiltration practices. Another complicating factor is that concentrations of some pollu ...ly greater concentrations of phosphorus during fall when leaf drop occurs. Combined with the much greater mass of material generated at this time of year, targ
  8 KB (1,100 words) - 19:03, 30 January 2023
• Green Infrastructure benefits of harvest and use/re-use practices
  ...arly effective when used for irrigation on C and D soils where traditional infiltration practices are less effective. **Well maintained harvest and reuse systems combined with vegetation can improve property aesthetics that increase property valu
  22 KB (2,986 words) - 18:16, 5 December 2022
• Guidance and examples for using the MPCA Estimator
  ...ter Act; designed or used for collecting or transporting stormwater; not a combined sewer; and not part of a publicly owned treatment works."> '''MS4'''</span> ...face voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete,
  98 KB (15,156 words) - 16:40, 5 January 2023
• Summary of data received from permittees on MS4 TMDL permit reporting forms
  ...Ps can be structural or nonstructural. Examples of structural BMPs include infiltration basins, rain gardens and other bioretention practices, dry and wet swales, ...includes BMPs such as bioinfiltration, infiltration trenches, underground infiltration basins, permeable pavement, and tree trenches, accounted for 30.5 percent o
  19 KB (2,793 words) - 18:14, 30 January 2023
• MS4 fact sheet - Retrofitting: Infiltration, Filtration & Bioretention
  *reduce runoff volumes to combined sewers; **[[Infiltration|Sub-grade storage/infiltration]]
  13 KB (1,800 words) - 22:56, 23 January 2023
• Aaron test 4
  ...ices_for_climate_resilience#Enhancing_infiltration_and_detention Enhancing infiltration and detention] ...ation and replacement ordinances promote resilience, while restrictions on infiltration may hinder resilience.
  44 KB (6,214 words) - 16:22, 7 May 2024
• Phase I MS4 Guidance for completing the TMDL Annual report form
  ...rent flow regimes and different reaches of the same river. These have been combined when appropriate to simplify the reporting process. Row 2 contains the TMDL ...iltration trench, infiltration basin, tree trench/box, permeable pavement, infiltration vault, bioinfiltration
  50 KB (7,798 words) - 21:24, 4 January 2023
• Requirements, recommendations and information for using bioretention with an underdrain BMPs in the MIDS calculator
  ...d underdrain, additional volume retention is achieved through [[Glossary#I|infiltration]] of water stored in the pore spaces of the engineered media between the un ...ing into the native soils. Answering NO means the sides are not lined and infiltration is allowed through the side of the basin into the native soils.
  55 KB (8,696 words) - 13:27, 29 January 2023
• References for pretreatment
  ...nr.wi.gov/topic/stormwater/documents/1004Bioretention.pdf Bioretention for Infiltration]. Technical Note 1004. :To see the above pages as a single page, [[Pretreatment practices combined single page|link here]]
  11 KB (1,351 words) - 02:44, 25 February 2023
• Credits for Better Site design
  ...tain the pre-development hydrology of a site by reducing runoff, promoting infiltration and preventing soil erosion. Natural areas should be eligible for stormwate ...egetation of conservation areas promote rainfall interception and storage, infiltration, runoff filtering and direct uptake of pollutants. Portions of the site dev
  44 KB (6,627 words) - 14:13, 6 February 2023
• Alleviating compaction from construction activities
  ...ity goals, meet regulatory requirements, and promote green infrastructure. Infiltration BMPs must be properly designed, constructed, and maintained to perform as i ...|alt=ponded water in infiltration practice|<font size=3>Ponded water in an infiltration practice may be an indicator of compacted soils.</font size>]]
  42 KB (6,195 words) - 14:45, 6 January 2023
• Design criteria for high-gradient stormwater step-pool swale
  ...tration] or [https://stormwater.pca.state.mn.us/index.php?title=Glossary#I infiltration] practices, with the distinction being the presence of an [https://stormwat ...300px|thumb|alt=schematic infiltration step pool|<font size=3>Schematic of infiltration step pool (no underdrain). Click on image to enlarge.</font size>]]
  65 KB (10,011 words) - 17:11, 29 December 2022
• Requirements, recommendations and information for using trees with an underdrain as a BMP in the MIDS calculator
  ...ing into the native soils. Answering NO means the sides are not lined and infiltration is allowed through the side of the basin into the native soils. ...ing into the native soils. Answering NO means the bottom is not lined and infiltration is allowed through the bottom of the basin into the native soils.
  44 KB (7,312 words) - 13:41, 29 January 2023

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