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Minnesota Stormwater Manual

Difference between revisions of "Calculating credits for stormwater and rainwater harvest and use/reuse"

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{| class="wikitable" style="float:right; margin-left: 10px; width:100px;"
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|-
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| colspan="8" style="text-align: center;" | '''Recommended pollutant removal efficiencies, in percent, for infiltration BMPs. [http://stormwater.pca.state.mn.us/index.php/Information_on_pollutant_removal_by_BMPs#References Sources].<br>
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<font size =1>TSS=total suspended solids; TP=total phosphorus; PP=particulate phosphorus; DP=dissolved phosphorus; TN=total nitrogen'''</font size>
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|-
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| '''TSS'''
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| '''TP'''
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| '''PP'''
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| '''DP'''
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| '''TN'''
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| '''Metals'''
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| '''Bacteria'''
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|'''Hydrocarbons'''
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|-
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| colspan="8" style="text-align: center;" |Pollutant removal is 100 percent for the volume that is captured and infiltrated
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|}
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[http://stormwater.pca.state.mn.us/index.php/Overview_of_stormwater_credits Credit] refers to the quantity of stormwater or pollutant reduction achieved either by an individual [[Glossary#B|Best Management Practice]] (BMP) or cumulatively with multiple BMPs. Stormwater credits are a tool for local stormwater authorities who are interested in
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*providing incentives to site developers to encourage the [[Credits for Better Site design|preservation of natural areas and the reduction of the volume of stormwater]] runoff being conveyed to a best management practice (BMP);
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*complying with permit requirements, including antidegradation (see [http://stormwater.pca.state.mn.us/index.php/Construction_stormwater_permit]; [http://stormwater.pca.state.mn.us/index.php/MS4_General_Permit]);
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*meeting the [http://stormwater.pca.state.mn.us/index.php/Performance_goals_for_new_development,_re-development_and_linear_projects MIDS performance goal]; or
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*meeting or complying with water quality objectives, including [[Total Maximum Daily Loads (TMDLs)|Total Maximum Daily Load]] (TMDL) Wasteload Allocations (WLAs).
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This page provides a discussion of how infiltration practices can achieve stormwater credits. Infiltration practices include infiltration basins, infiltration trenches (including dry wells), and underground infiltration systems. The discussion does not include [[Bioretention|bioinfiltration]] and [[Permeable pavement|permeable pavement]] systems, unless specifically mentioned. To view the credit articles for other BMPs, see the [[Calculating credits for infiltration basin#Related articles|Related pages]] section.
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<noinclude>
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==Related pages==
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*[[Overview for stormwater and rainwater harvest and use/reuse]]
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*[[Design criteria for stormwater and rainwater harvest and use/reuse]]
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*[[Construction specifications for stormwater and rainwater harvest and use/reuse]]
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*[[Operation and maintenance for stormwater and rainwater harvest and use/reuse]]
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*[[Water quality considerations for stormwater and rainwater harvest and use/reuse]]
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*[[Environmental concerns for stormwater and rainwater harvest and use/reuse]]
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*[[Cost-benefit considerations for stormwater and rainwater harvest and use/reuse]]
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*[[Case studies for stormwater and rainwater harvest and use/reuse]]
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*[[Calculating credits for stormwater and rainwater harvest and use/reuse]]
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*[[Definitions for stormwater and rainwater harvest and use/reuse]]
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*[https://stormwater.pca.state.mn.us/index.php?title=Requirements,_recommendations_and_information_for_using_Harvest_and_re-use/cistern_as_a_BMP_in_the_MIDS_calculator Requirements, recommendations and information for using Harvest and re-use/cistern as a BMP in the MIDS calculator]
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*[[Links for stormwater and rainwater harvest and use/reuse]]
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*[[References for stormwater and rainwater harvest and use/reuse]]
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*[[Technical support for stormwater and rainwater harvest and use/reuse]]
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</noinclude>

Revision as of 17:44, 21 December 2016

This site is currently undergoing revision. For more information, open this link.
 This page will be developed in Winter, 2016
Recommended pollutant removal efficiencies, in percent, for infiltration BMPs. Sources.

TSS=total suspended solids; TP=total phosphorus; PP=particulate phosphorus; DP=dissolved phosphorus; TN=total nitrogen

TSS TP PP DP TN Metals Bacteria Hydrocarbons
Pollutant removal is 100 percent for the volume that is captured and infiltrated

Credit refers to the quantity of stormwater or pollutant reduction achieved either by an individual Best Management Practice (BMP) or cumulatively with multiple BMPs. Stormwater credits are a tool for local stormwater authorities who are interested in

This page provides a discussion of how infiltration practices can achieve stormwater credits. Infiltration practices include infiltration basins, infiltration trenches (including dry wells), and underground infiltration systems. The discussion does not include bioinfiltration and permeable pavement systems, unless specifically mentioned. To view the credit articles for other BMPs, see the Related pages section.


Related pages


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