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• TCMA Chloride Management Plan - Background and Description
  ...he chemical properties of NaCl make it effective at melting ice, but these properties also result in the chloride dissolving in water and persisting in the envir ...groundwater and drinking water supplies, infrastructure, vehicles, plants, soil, pets, and wildlife. The [https://www.pca.state.mn.us/sites/default/files/w
  22 KB (3,350 words) - 16:33, 23 November 2022
• Overview for permeable pavement
  ...ormwater runoff as it flows through a filtering medium and into underlying soil, where it may eventually percolate into groundwater. The filtering media is ...r ground above"> '''underdrains'''</span>, and geotextile over uncompacted soil subgrade. From a hydrologic perspective, permeable pavement is typically de
  15 KB (2,185 words) - 19:28, 27 December 2022
• Overview for green roofs
  Rain that falls on a green roof soaks into the soil (growing <span title="Engineered media is a mixture of sand, fines (silt, c ...n in a particular area. The curve number is based on the area's hydrologic soil group, land use , treatment and hydrologic condition."> '''curve numbers'''
  20 KB (2,983 words) - 21:34, 7 February 2023
• Spent lime, calcium water treatment residuals and application in stormwater
  ...ifically discussed on this page except where information about the general properties and applications of calcium have applicability for stormwater management. ...therefore have beneficial uses for pollutant removal or may have negative properties that would limit any beneficial use ([https://www.graymont.com/en/markets/e
  62 KB (8,932 words) - 21:08, 21 February 2023
• Erosion prevention practices - tackifiers and soil stabilizers
  ...o a seeded area. Tackifiers protect seedbeds by holding the product to the soil surface and preventing movement. Relevant products include polyacrylamide, ...for permanent stabilization. While they are effective for a wide range of soil, slope, temperature, and rainfall conditions, they are not intended for use
  27 KB (3,971 words) - 18:08, 11 January 2023
• Screening assessment for contamination at potential stormwater infiltration sites
  ...tormwater infiltration guidance for sites with known or high potential for soil or groundwater contamination on or off-site|this page]].</font size>]] [[file:Contaminated site 3.jpg|300px|thumb|alt=schematic of contaminated soil|<font size=3>Schematic for site where infiltration is feasible. Note that c
  57 KB (8,588 words) - 22:33, 16 February 2023
• Other impacts of road salt use
  ...e many chemicals associated with deicing that have both similar and unique properties and environmental effects. The following table summarizes the corrosion and {{:Summary of properties of deicing agents}}
  17 KB (2,571 words) - 15:02, 23 November 2022
• Overview for dry swale (grass swale)
  ...ormwater runoff as it flows through a filtering medium and into underlying soil, where it may eventually percolate into groundwater. The filtering media is ...l runoff from a stormwater practice, typically to avoid erosion of exposed soil or establishment of vegetation."> '''offline'''</span> configurations where
  23 KB (3,441 words) - 02:41, 15 December 2022
• Pretreatment system design information - all devices
  ...ft long and 12 in diameter x 20 ft long, wooden stakes through wattle into soil every 3-4 ft [http://nilex.com/products/wattles]</td> <td>No soil or terrain restrictions [http://prj.geosyntec.com/npsmanual/oilgritseparato
  27 KB (4,188 words) - 22:11, 22 January 2024
• Scenario for developing a stormwater treatment train for a site with limited infiltration capacity
  .../stormwater.pca.state.mn.us/index.php/Soils_with_low_infiltration_capacity soil with a low infiltration rate], sites with [http://stormwater.pca.state.mn.u ...sign_infiltration_rates Hydrologic soil group]'''</span> ‘D’, silty clays. Soil permeability (infiltration rate) is 0.06 inches per hour at a depth of 2 fe
  38 KB (5,550 words) - 13:29, 12 February 2023
• Minnesota Stormwater Manual test page 5
  ...neered media used in stormwater applications, including soil processes and properties, measuring and assessing soils, media mixes, media applications and perform ...neered media used in stormwater applications, including soil processes and properties, measuring and assessing soils, media mixes, media applications and perform
  48 KB (6,516 words) - 21:10, 10 April 2023
• Design criteria for permeable pavement
  ...hest infiltration rates. In particular, areas of HSG A or B soils shown on soil surveys should be considered as primary locations for all types of infiltra ...il's infiltration rate. Soil infiltration rates can also be estimated from soil classifications per [http://www.astm.org/Standard/index.shtml ASTM] D2487.
  44 KB (6,544 words) - 17:30, 29 December 2022
• Other impacts of deicer use
  ...e many chemicals associated with deicing that have both similar and unique properties and environmental effects. The following table summarizes the corrosion and {{:Summary of properties of deicing agents}}
  19 KB (2,771 words) - 15:03, 23 November 2022
• Brown's Creek trout habitat preservation project - thermal protection of a trout stream resource and infiltration within land-locked basins
  ...f surficial features and included the installation of monitoring wells and soil borings. ...dence) achieved 100 percent of the goal to eliminate flooding of homes and properties and has addressed 100 percent of the goal to protect Brown’s Creek from f
  8 KB (1,243 words) - 20:05, 20 July 2022
• Overview for high-gradient stormwater step-pool swale
  ...lant species] depending on the hydraulic conditions and expected post-flow soil moisture at any given point within the stormwater step pool. ...l runoff from a stormwater practice, typically to avoid erosion of exposed soil or establishment of vegetation."> '''offline'''</span> configurations where
  25 KB (3,698 words) - 02:39, 15 December 2022
• Minnesota Stormwater Manual email Updates
  *[[Identifying and characterizing redoximorphic features in soils and soil borings]] *[[Management of soil and engineered media removed from bioretention basins and similar stormwate
  73 KB (10,517 words) - 17:44, 19 July 2023
• Scenario for developing a stormwater treatment train for an ultra-urban setting
  | Soil Conditions || Hydrologic Soil Group ‘B’, silty sands and silty gravelly sands. Permeability ranges be ...can damage building integrity and overwhelm stormwater infrastructure. The soil is assumed to be compacted due to high urbanization. Lack of vegetation and
  31 KB (4,488 words) - 13:33, 12 February 2023
• Guidance and recommendations for conducting a higher level of engineering review for stormwater infiltration in DWSMAs and Wellhead Protection Areas
  ...apidly transported in the unsaturated (vadose) zone overlying the aquifer. Soil borings are highly recommended [https://stormwater.pca.state.mn.us/index.ph ...Low permeability materials include [[Design infiltration rates|Hydrologic Soil Group]] (HSG) D soils/material, clayey tills, lake clays, and shale.
  54 KB (7,942 words) - 11:39, 9 April 2023
• Credits for Better Site design
  ...rology of a site by reducing runoff, promoting infiltration and preventing soil erosion. Natural areas should be eligible for stormwater credit if they rem ...ound. Evapotranspiration by trees increases potential water storage in the soil.
  44 KB (6,627 words) - 14:13, 6 February 2023
• Overview for infiltration
  ...retreatment''']</span> to protect the groundwater quality, particularly if soil infiltration rates are high (e.g. [http://stormwater.pca.state.mn.us/index. ...t to infiltrate into the soil. As the stormwater penetrates the underlying soil, chemical, biological and physical processes remove pollutants and delay pe
  23 KB (3,321 words) - 19:29, 11 August 2022

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