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Operation and maintenance for stormwater and rainwater harvest and use/reuse > Special:Search

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• Examples for completing the TMDL reporting form
  ...owing the location of structural BMPs that require estimated reductions in pollutant loading ([http://stormwater.pca.state.mn.us/index.php/Phase_I_MS4_Guidance_ ...ocation of non-structural BMPs that do not require estimated reductions in pollutant loading ([http://stormwater.pca.state.mn.us/index.php/Phase_I_MS4_Guidance_
  32 KB (5,079 words) - 15:54, 5 January 2023
• Turf
  ...his is due to the tendency for flow to channelize beyond 100 feet. In this schematic, the effective pervious area equals 100 feet times the length of parking ar ...t of MIDS Performance Goal Alternatives: Runoff Volumes, Runoff Rates, and Pollutant Removal Efficiencies] report for additional information on the hydrologic m
  31 KB (4,529 words) - 21:31, 16 February 2023
• Pre-treatment considerations for stormwater infiltration
  [[file:Situations where pretreatment is important.png|600px|thumb|alt=schematic of important situations for pretreatment|<font size=3>Conditions when pretr *'''Areas where stormwater has a high pollutant load'''. Areas with a high pollutant load, or the presence of certain pollutants that are not easily removed fro
  10 KB (1,453 words) - 20:44, 2 February 2023
• Requirements, recommendations and information for using bioretention with an underdrain BMPs in the MIDS calculator
  ...t input a value for impervious area or the BMP will not provide volume and pollutant reduction. Other fields are optional.</font size>]] ...in infiltrated water are credited as being removed, while a portion of the pollutant loads in the stormwater that flows through the underdrain are removed throu
  55 KB (8,696 words) - 13:27, 29 January 2023
• Shallow groundwater
  ...ic.jpg|300 px|thumb|alt=schematic illustrating depth to water|<font size=3>Schematic illustrating how depth to water is calculated. Note that a temporary mound ...can occur in the [[Glossary#V|vadose zone]] beneath the base of the BMP. Pollutant removal in the vadose zone is attained via biological activity, chemical de
  12 KB (1,783 words) - 13:13, 15 February 2023
• Stormwater pollutant concentrations and event mean concentrations
  ...runoff. For example, the Simple Method, which is commonly used to estimate pollutant loading, utilizes the following equation :L = Load of a pollutant in pounds per year;
  27 KB (3,838 words) - 17:36, 2 February 2023
• Design criteria for iron enhanced sand filter
  ...on and filtration systems can minimize the maintenance burden and maintain pollutant removal efficiency. Key examples include ...on enhanced sand filter basin|<font size=3>Iron-enhanced sand filter basin schematic.</font size>]]
  12 KB (1,856 words) - 19:00, 28 December 2022
• Overview for stormwater ponds
  ...ination with other practices, <span title="The stormwater runoff volume or pollutant reduction achieved toward meeting a runoff volume or water quality goal."> ...ection. This is desirable because dry ponds have limited effectiveness for pollutant removal. Alternatively, new ponds can be installed in available open areas
  12 KB (1,884 words) - 21:46, 7 February 2023
• Engineered (bioretention) media mixes for stormwater applications
  ...nitrogen is the target pollutant. In areas where phosphorus is the target pollutant, a lower concentration of fines (8 percent) should be used. A soil phosphor ...ure stormwater runoff and allow it to infiltrate into the underlying soil. Pollutant removal occurs through a variety of mechanisms, including adsorption, absor
  19 KB (2,815 words) - 14:19, 17 January 2023
• Scenario for developing a stormwater treatment train for a site with limited infiltration capacity
  [[file:Limited infiltration site layout.jpg|300px|thumb|alt=schematic showing layout for treatment train scenario|<font size=3>Site layout for a .... The goal of the project is to implement BMPs at this site to help reduce pollutant loading (phosphorus and total suspended solids) and reduce the peak volume
  38 KB (5,550 words) - 13:29, 12 February 2023
• Requirements, recommendations and information for using trees with an underdrain as a BMP in the MIDS calculator
  ...schematic of watershed tab for tree trench in MIDS calculator|<font size=3>Schematic of the Watershed tab for tree trench system-tree box BMP in the MIDS calcul ...ummary tab for tree trench with underdrain in MIDS calculator|<font size=3>Schematic of the BMP Summary tab for tree trench system-tree box with an underdrain B
  44 KB (7,312 words) - 13:41, 29 January 2023
• Exercises from MIDS calculator workshops
  ...Problem 1-1.png|300px|thumb|alt=schematic for MIDS calculator|<font size=3>Schematic for problem 1-1.</font size>]] ...f the use of a stormwater pond that does not reduce volume but does reduce pollutant loading.
  22 KB (3,549 words) - 18:28, 11 January 2023
• Calculating credits for green roofs
  |+Recommended pollutant removal efficiencies, in percent, for green roofs.<br> ...view_of_stormwater_credits Credit] refers to the quantity of stormwater or pollutant reduction achieved either by an individual <span title="One of many differe
  19 KB (2,893 words) - 14:22, 26 July 2022
• Construction stormwater best management practice – perimeter control fact sheet
  '''National Pollutant Discharge Elimination System/State Disposal System Permit Guidance on the u '''What is required by the National Pollutant Discharge Elimination System/State Disposal System Construction Stormwater
  16 KB (2,528 words) - 21:47, 27 December 2022
• Types of bioretention
  ...d on small drainage areas (5 acres or less) and are primarily designed for pollutant removal. They are effective at removing total suspended solids (TSS), parti ...tice allows water to be retained within the practice, leading to increased pollutant removal, increased infiltration, and increased evapotranspiration. The pra
  22 KB (3,288 words) - 18:52, 15 August 2022
• City of Wykoff - stormwater remediation in a karst area
  ...ive from overland flow through vegetation will greatly reduce or eliminate pollutant levels entering this second sinkhole. Best Management Practices were applie ...plan.png|thumb|500px|alt=schematic illustrating sinkhole sealing plan|This schematic illustrates the sinkhole sealing plan.]]<font size>
  8 KB (1,330 words) - 20:05, 20 July 2022
• Green Infrastructure benefits of harvest and use/re-use practices
  ...System Schematic|<font size=3>Example Stormwater Harvesting and Use System Schematic</font size>]] ...and reuse systems are excellent stormwater treatment practices due to the pollutant removal mechanisms they can be paired with such as vegetative filtering, se
  22 KB (2,986 words) - 18:16, 5 December 2022
• Overview for infiltration
  ...tices.png|300px|thumb|alt=schematic of infiltration practices|<font size=3>Schematic illustrating A)infiltration trench, B) underground infiltration, C) infiltr ...oads, and runoff temperatures are a concern. Stormwater runoff having high pollutant loads should receive a significant amount of <span title="Pretreatment redu
  23 KB (3,321 words) - 19:29, 11 August 2022
• Guidance for categorical TMDLs
  Many <span title="the amount of a pollutant from both point and nonpoint sources that a waterbody can receive and still ...individual waste load allocation (WLA) for a <span title="the amount of a pollutant from both point and nonpoint sources that a waterbody can receive and still
  16 KB (2,510 words) - 14:31, 23 January 2023
• Calculating credits for sand filter
  | colspan="8" style="text-align: center;" |'''Recommended pollutant removal efficiencies, in percent, for sand filters. [http://stormwater.pca. ...view_of_stormwater_credits Credit] refers to the quantity of stormwater or pollutant reduction achieved either by an individual <span title="One of many differe
  51 KB (7,365 words) - 20:08, 22 November 2022

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