<td>Dry swale or grassed channel</td>
*Do not incorporate check dams unless the swale or channel incorporates an underdrain. Otherwise small areas of infiltrati
6 KB (947 words) - 18:23, 13 December 2022
<th>Vegetated swale</th>
6 KB (885 words) - 21:13, 24 October 2022
*[[Calculating credits for swale]]
1 KB (193 words) - 20:54, 12 December 2022
...00px|thumb|alt=symbol for swale with no underdrain|<font size=3>Symbol for Swale main channel (without an underdrain) used in the MIDS calculator.</font siz
...t flow, then a swale side slope BMP should be used in combination with the swale main channel BMP in the MIDS calculator. All pollutants in the infiltrated
33 KB (5,347 words) - 13:38, 29 January 2023
<td>Dry swale</td>
2 KB (296 words) - 15:08, 4 August 2022
<td>Dry Swale with Check Dams</td>
<td>[[File:Swale check icon.png|center|100px]]</td>
5 KB (694 words) - 17:48, 4 August 2022
<td>Vegetated swale</td>
<td>Variation of vegetated swale with side slope protection.</td>
6 KB (852 words) - 12:20, 7 August 2022
File:Dry swale with check dams complete with trees.png|alt=Infiltration practice complete
2 KB (257 words) - 15:44, 8 December 2022
...s://stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) dry swale] with an underdrain (with or without check dams),
==Dry swale and stormwater step-pool (with check dams and underdrains)==
33 KB (4,581 words) - 15:04, 11 January 2023
==Construction specifications for swale practices==
Construction of swale practices incorporates techniques and steps that may be considered nonstand
22 KB (3,332 words) - 20:46, 27 December 2022
==Village of Algonquin, Kane County, Illinois - Step pool swale==
[[File:Step pool figure 1.jpg|300px|thumb|alt=step pool swale image|<font size=3>Failing culvert and gulley formation pre-construction.</
19 KB (2,750 words) - 20:15, 12 December 2022
...e:Wet swale section.png|300px|thumb|alt=wet swale section|<font size=3>Wet swale section.</font size>]]
*Swale layout: [[File:Swale Layout2 (1).pdf]]
25 KB (3,758 words) - 17:15, 29 December 2022
...wale.jpg|300 px|thumb|alt=photo of a dry swale|<font size=3>Photo of a dry swale. Courtesy of Limnotech.</font size>]]
...wale.jpg|300 px|thumb|alt=photo of a wet swale|<font size=3>Photo of a wet swale. Courtesy of Limnotech.</font size>]]
22 KB (3,203 words) - 21:20, 16 February 2023
...kes city hall.jpg|300px|thumb|alt=Image of a swale|<font size=3>Image of a swale at Lino Lakes city hall</font size>]]
...ose 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 trea
27 KB (4,015 words) - 21:34, 24 January 2023
Incorporation of check dams into swale design allows treatment of a portion or all of the [https://stormwater.pca.
...b>, impermeable check dams will likely be necessary. This includes using a swale to meet or partly meet the requirements of the [https://stormwater.pca.stat
21 KB (3,314 words) - 15:20, 11 January 2023
...0px|thumb|alt=Symbol for swale with underdrain.png|<font size=3>Symbol for Swale main channel (with underdrain) used in the MIDS calculator.</font size>]]
...shed tab swale with underdrain|<font size=3>Schematic of Watershed tab for Swale main channel (with underdrain). The user must input a value for impervious
31 KB (4,982 words) - 13:36, 29 January 2023
...ose 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 trea
..., slope failure, or down gradient flooding exist and cannot be overcome by swale design modifications
25 KB (3,698 words) - 02:39, 15 December 2022
...stormwater.pca.state.mn.us/index.php?title=Wet_swale_(wetland_channel) wet swale]), the calculator does not differentiate between water that has been treate
6 KB (904 words) - 15:50, 12 January 2023
...stormwater wetland, sand filter, permeable pavement (with underdrain), and swale. Results of that review can be seen at this link: [[File:Credit analysis.do
3 KB (375 words) - 14:05, 1 August 2022
[[File:Wet swale figure 1.jpg|300px|thumb|alt=wet swale image|<font size=3>Eroded and failing structure banks contributing to sedim
*Design Features: Wet swale, two-stage design, grade control/rock checks, vane weirs, vegetation restor
27 KB (3,916 words) - 20:08, 12 December 2022
<td>Dry Swale with Check Dams</td>
3 KB (399 words) - 17:48, 4 August 2022
...ign_Standards_(MIDS)_Calculator#Swale_configuration_in_the_MIDS_Calculator Swale configuration and routing]
...are reported in the literature, but often these values are associated with swale systems that include pretreatment or other specific design features.
28 KB (4,322 words) - 14:19, 2 April 2024
...t of water in wet ponds. Therefore, it is an unlikely zone to include in a Swale design, though exceptions may occur. Submergent vegetation makes up this zo
...t plants. This zone is most common to Swale designs from the center of the Swale to, typically, the water quality stage elevation. Emergent plants are impor
33 KB (4,525 words) - 17:15, 8 December 2022
...on basin, permeable pavement, infiltration trench/tree box, dry swale, wet swale, sand filter, wetland, stormwater pond, user defined</td>
<td>Extended detention, bioretention, wetland basin, swale, permeable pavement, filter, and user-defined</td>
18 KB (3,187 words) - 16:41, 27 December 2022
...thumb|alt=photo of a dry swale|<font size=3>Photo of a well-maintained dry swale. Courtesy of Limnotech.</font size>]]
{{:Dry swale construction inspection checklist}}
26 KB (3,869 words) - 22:32, 31 January 2023
Additional specifications for items applicable to swale practices can be found in the [http://www.dot.state.mn.us/pre-letting/spec/
Potential techniques that could be used to divert runoff and isolate the dry swale may include one or more of the following:
21 KB (3,094 words) - 20:46, 27 December 2022
:GA - total non-roadway area draining to swale (rooftop, yard and driveway)<br>
2 KB (416 words) - 20:38, 4 August 2022
.../stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''dry swale''']</span> with <span title="A check dam is a structure installed perpendic
==Dry swale with check dams==
43 KB (6,049 words) - 17:06, 1 February 2023
<td>Dry Swale with Check Dams</td>
4 KB (583 words) - 17:48, 4 August 2022
*sediment accumulates in the swale, reducing the storage volume;
Inspections during construction are needed to ensure that the wet swale practice is built in accordance with the approved design standards and spec
24 KB (3,567 words) - 13:21, 7 February 2023
...wale.jpg|300 px|thumb|alt=photo of a dry swale|<font size=3>Photo of a dry swale. Courtesy of Limnotech.</font size>]]
...00px|thumb|alt=photo dry swale with underdrain|<font size=3>Photo of a dry swale with an underdrain. Courtesy H.R. Green</font size>]]
43 KB (6,506 words) - 16:08, 29 December 2022
...asin; 3=Infiltration Trench; 4=Dry Well; 5=Underground Infiltration; 6=Dry Swale with Check Dams; 7=Permeable Pavement; 8=Tree Trench/Tree Box</font size>
3 KB (440 words) - 20:25, 26 July 2022
*[[Overview for dry swale (grass swale)]]
*[[Overview for high-gradient stormwater step-pool swale]]
17 KB (2,515 words) - 20:06, 22 November 2022
<td>sand: per dry swale sand
3 KB (432 words) - 16:49, 4 August 2022
| Vegetated swale || <font size=4><center>◔</center></font size> || Benefit is high for
==Swale with Check Dam (with and without underdrain)==
31 KB (4,513 words) - 22:10, 16 February 2023
:'''Swales and strips: grass channel and dry swale'''
...has a lower impervious cover and pollutant load/runoff expectation. A dry swale with a bioretention base and underdrain is proposed at this location to tre
38 KB (5,550 words) - 13:29, 12 February 2023
...ps://stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''swale''']</span> and <span title="Pretreatment vegetated filter strips are design
...n basin will treat the majority of the stormwater, the main purpose of the swale will be to serve as pretreatment and to convey stormwater to the basin. For
36 KB (5,210 words) - 22:51, 12 December 2022
...ter;" | '''Recommended pollutant removal efficiencies, in percent, for wet swale BMPs. [http://stormwater.pca.state.mn.us/index.php/Information_on_pollutant
...ps://stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''swale''']</span> acts as a very long and linear shallow <span title="A bioretenti
36 KB (5,160 words) - 22:22, 23 November 2022
| Vegetated swale || <font size=4><center>◔</center></font size> || Infiltration is mos
==Swale with Check Dam (with and without underdrain)==
35 KB (5,020 words) - 17:35, 5 December 2022
<td>Wet Swale</td>
4 KB (657 words) - 20:07, 4 August 2022
...gov/media/5076/download NCDENR Stormwater BMP Manual – Section 14, Grassed Swale].
3 KB (434 words) - 02:48, 25 February 2023
*[[Calculating credits for swale]]
6 KB (792 words) - 15:30, 27 December 2022
...the normal wetted perimeter of a temporary or permanent drainage ditch or swale section with a continuous slope of greater than 2 percent. Examples of acce
4 KB (617 words) - 13:40, 24 August 2023
<td>Grassed Swale</td>
5 KB (718 words) - 20:16, 3 August 2022
...matic of dry swale|<font size=3>Schematic showing characteristics of a dry swale.</font size>]]
:'''Filter: Dry Swale System'''
44 KB (6,330 words) - 13:35, 12 February 2023
...tle="Storm runoff, flowing in a confined feature such as a channel, ditch, swale, river, etc. Concentrated flow often occurs after a maximum of 300 feet of
.../stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''dry swale''']</span>
103 KB (15,376 words) - 14:34, 22 January 2023
[[File:Figure for screening straining practices.jpg|300px|thumb|alt=image of swale check dams|<font size=3>Photograph of an example of check dams, which are d
5 KB (631 words) - 23:40, 5 December 2022
<td>FACT SHEET: Vegetated Swale</td>
<td>Operation and maintenance of dry swale (grass swale) </td>
34 KB (4,934 words) - 16:11, 3 August 2022
<td>May include flow bypass, forebay and/or blind swale, and underdrain</td>
5 KB (777 words) - 19:05, 3 August 2022
<td>Dry Swale with Check Dams</td>
<td>[[File:Swale check icon.png|center|100px]]</td>
9 KB (1,410 words) - 18:18, 4 August 2022
**Silt/sediment should be removed from the step pool and connecting swale bottoms when the accumulation exceeds 1 inch. When the soil/media’s infil
...will reveal whether sedimentation warrants scraping out the step pool and swale bottoms and replanting them.
28 KB (4,150 words) - 13:38, 11 February 2023
...:Level_3_-_Best_management_practices/Structural_practices/Dry_swale '''Dry swale''']</span>
..._3_-_Best_management_practices/Structural_practices/Step_pool '''Step pool swale''']</span>
89 KB (12,875 words) - 13:29, 9 February 2023
...on|bioretention]] devices, filtration practices such as [[Dry swale (Grass swale)|dry swales]], infiltration practices such as [[Infiltration trench|infiltr
...t=Photo of vegetated swale city of Wayzata|<font size=3>Photo of vegetated swale in the City of Wayzata</font size>]]
17 KB (2,478 words) - 21:20, 20 February 2023
...:Level_3_-_Best_management_practices/Structural_practices/Dry_swale '''Dry swale''']</span>
..._3_-_Best_management_practices/Structural_practices/Step_pool '''Step pool swale''']</span>
89 KB (12,945 words) - 15:54, 29 August 2023
...the conveyance system further downstream. Check dams incorporated into the swale design allow water to pool up and infiltrate into the underlying soil or en
...ose 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 trea
24 KB (3,277 words) - 15:12, 19 July 2023
...the conveyance system further downstream. Check dams incorporated into the swale design allow water to pool up and infiltrate into the underlying soil or en
...ose 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 trea
24 KB (3,277 words) - 15:20, 19 July 2023
...he sequence. All BMPs can be routed to a constructed wetland except for a swale side slope.
11 KB (1,614 words) - 01:14, 8 February 2023
*[[Dry swale (Grass swale)|Dry swales with check dams]]
...roofs|green roofs]], [[Filtration|media filters]], and [[Dry swale (Grass swale)|dry swales]]. [[Vegetated filter strips]] are often used as a [[Pre-treat
21 KB (3,012 words) - 20:38, 30 October 2023
...ter;" | '''Recommended pollutant removal efficiencies, in percent, for dry swale BMPs. [http://stormwater.pca.state.mn.us/index.php/Information_on_pollutant
...matic of dry swale|<font size=3>Schematic showing characteristics of a dry swale.</font size>]]
65 KB (9,893 words) - 13:52, 29 December 2022
<th>Swale or strip BMPs</th>
10 KB (1,685 words) - 13:37, 4 August 2022
...t=Photo of vegetated swale city of Wayzata|<font size=3>Photo of vegetated swale in the City of Wayzata</font size>]]
...es of such designs include the use of check dams, which store water in the swale and allow it to infiltrate, and incorporating a bioretention media into the
16 KB (2,382 words) - 14:41, 6 February 2023
...ing the variation in pollutant removal performance along the length of the swale. The experiment showed that the grassed swales studied were effective at re
10 KB (1,453 words) - 20:44, 2 February 2023
===Swale with Check Dam===
...Annual Report documented a 48% removal of average peak flow in a vegetated swale<sup>[https://stormwater.pca.state.mn.us/index.php?title=Green_Infrastructur
19 KB (2,800 words) - 17:35, 5 December 2022
..., use of a pretreatment device such as a vegetated filter strip, vegetated swale, small sedimentation basin (forebay), or water quality inlet (e.g., grit ch
*vegetated swale;
42 KB (6,383 words) - 18:54, 29 December 2022
...alculator. On the left is a green roof and on the right is an infiltration swale.</font size>]]
6 KB (880 words) - 16:36, 8 December 2022
*The final swale has check dams because it can be constructed on soils without restrictions
...els swale performance since infiltration increases disproportionately with swale length.
22 KB (3,549 words) - 18:28, 11 January 2023
*Alternating side slope plantings (swale)
*Tree check dams (swale)
10 KB (1,540 words) - 23:04, 23 January 2023
*Grass swale - A vegetated channel that conveys stormwater while allowing for settling o
6 KB (837 words) - 23:43, 5 December 2022
...treatment sequence. All BMPs can be routed to an Other BMP, except for a swale side slope.
16 KB (2,582 words) - 18:55, 23 November 2022
...ory:Level_3_-_Best_management_practices/Structural_practices/Dry_swale Dry swale]
...vel_3_-_Best_management_practices/Structural_practices/Step_pool Step pool swale]
48 KB (6,516 words) - 21:10, 10 April 2023
...ady in the sequence. All BMPs can be routed to a sand filter except for a swale side slope.
15 KB (2,395 words) - 01:30, 23 December 2022
===Grass Swale/Channel===
...ormwater volume reductions can be created by placing check dams across the swale. A
36 KB (5,524 words) - 14:44, 8 December 2022
...ll.jpg|thumb|300px|alt=Photo of a swale at Lino Lakes city hall|Photo of a swale at Lino Lakes city hall]]
...odbury.jpg|thumb|300px|alt=Photo of a Swale city of Woodbury MN|Photo of a Swale city of Woodbury MN]]
27 KB (4,233 words) - 22:45, 17 November 2022
| Wet swale || 0 || 0 || NA
*Wet swale: no removal
14 KB (2,133 words) - 20:38, 1 December 2022
...below. Note that several BMPs are applied to more than one TMDL (e.g. the swale, S2, is applied to the Lake 3 TMDL and the two stream impairments). As with
...For example, swales are typically ineffective at removing bacteria but the swale included in the worksheet may have been designed such that bacteria will be
32 KB (5,079 words) - 15:54, 5 January 2023
...treatment practice. An example is runoff from a road that discharges to a swale. Although the surface of solar panels is considered to be impervious, the
6 KB (973 words) - 01:21, 7 December 2022
...ack to the stormwater pond already in the sequence. All BMPs except for a swale side slope can be routed to a constructed stormwater pond.
17 KB (2,658 words) - 19:09, 23 November 2022
**[[Case studies for dry swale (grass swale)]]
.../stormwater.pca.state.mn.us/index.php?title=Case_studies_for_wet_swale Wet swale case study]
60 KB (8,737 words) - 18:14, 19 July 2023
...tracking BMP area can be graded to facilitate drainage toward a stabilized swale or ditch which empties into a treatment area. This treatment area can inclu
*Inspect exit pad drainage ditch or swale to ensure proper vegetation or other stabilization.
20 KB (3,043 words) - 12:49, 15 February 2023
...of design elements and design steps for high-gradient stormwater step-pool swale (step pools). The following discussion includes step pools used as [https:/
**Swale layout: [[File:Swale Layout2 (1).pdf]]
65 KB (10,011 words) - 17:11, 29 December 2022
...nderdrain|<font size=3>Schematic of pollutant removal mechanisms for a dry swale with an underdrain.</font size>]]
**Applicable to infiltration trench, infiltration basin, bioretention, grass swale, wet pond, and porous pavement
36 KB (5,227 words) - 00:44, 23 January 2023
..._swale_(Grass_swale) '''swale''']</span>, ensuring that discharge from the swale is non-erosive. Outlet protection or level spreaders can be used as necessa
...rt water and prevent roadway runoff from directly entering the stream. The swale should extend a maximum distance of 50 feet on either side (measured from t
30 KB (4,532 words) - 13:02, 2 February 2023
...trator]], or [[Guidance for completing the TMDL reporting form#Definitions|swale or strip]], the User is required to enter, in columns H through K,
...or Column E. For structural BMPs (constructed basins, filter, infiltrator, swale or strip) this cell autofills with the statement "Complete columns H throug
50 KB (7,798 words) - 21:24, 4 January 2023
...outcome pathway determination, a prototype for a long-term field study of swale infiltration performance, and a University of Minnesota-led project to inve
...s of swale study|<font size=3>Flow measurement and surveying of a roadside swale for infiltration performance monitoring. Click on image to enlarge.</font s
21 KB (3,122 words) - 21:56, 22 April 2024
*[[Dry swale (Grass swale)]]
*[[High-gradient stormwater step-pool swale]]
31 KB (4,224 words) - 19:32, 31 January 2023
...ge." >'''BMP'''</span> type (e.g., constructed basin, infiltrator, filter, swale or strip, etc.), location in geographic coordinates, owner, and year implem
18 KB (2,714 words) - 17:43, 22 November 2022
...structure to dry swale with check dam contains sump and skimmer (top), dry swale with check dam inlet pipe, downstream of inlet structure (bottom). Photos c
[[File:Dry swale with check dams complete with trees.png|thumb|300 px|alt=Infiltration pract
21 KB (3,095 words) - 20:49, 27 December 2022
...ps://stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''swale''']</span>, and wet basins (<span title="a stormwater retention basin that
10 KB (1,566 words) - 17:52, 8 December 2022
...ps://stormwater.pca.state.mn.us/index.php?title=Dry_swale_(Grass_swale) '''swale''']</span> or ditch). Weir structures may be constructed of pressure-treat
...report.pdf Performance Evaluation of Permeable Pavement and a Bioretention Swale, Seneca College, King City, Ontario]. Prepared under the Sustainable Techno
19 KB (2,778 words) - 19:25, 27 December 2022
...HKS designed a system to re-route stormwater away from the sinkhole into a swale that flows out of town. However, the sinkhole still received overland flow
8 KB (1,330 words) - 20:05, 20 July 2022
...sequence. All BMPs can be routed to the permeable pavement, except for a swale side slope.
20 KB (3,173 words) - 18:54, 23 November 2022
...ugh a pervious filter strip until it reaches the property line or drainage swale
:<font size=3>''GA''</font size> = non-roadway area draining to the swale, in acres; and
44 KB (6,627 words) - 14:13, 6 February 2023
...re each stabilization standard applied on the site. Since a typical living swale could not be designed to meet stormwater treatment requirements with the so
8 KB (1,129 words) - 20:04, 20 July 2022
*dry swale with check dams.
9 KB (1,388 words) - 23:40, 30 January 2023
...e and, at their closest point, the stained soils are within 75 feet of the swale. Since the railroad has been in operation for several decades and because m
...th of 10 feet (1/2 of the swale width) and a width of 600 feet (1/2 of the swale length).
57 KB (8,588 words) - 22:33, 16 February 2023
...lished stormwater swale at Empire WWTF|<font size=3>Established stormwater swale at Empire WWTF. Reprinted with permission from Metropolitan Council.</font
...e green roof vegetation. WWTP staff routinely inspect the pervious pavers, swale culverts, and outfalls to identify areas needing further maintenance.
31 KB (4,434 words) - 01:47, 29 December 2022
<td>Albertville Swale, 9</td>
9 KB (1,374 words) - 13:49, 4 August 2022
...t sequence. All BMPs can be routed to an infiltration basin, except for a swale side slope.
22 KB (3,347 words) - 13:33, 29 January 2023
...sequence. All BMPs can be routed to a bioinfiltration basin, except for a swale side slope BMP.
23 KB (3,549 words) - 18:50, 23 November 2022
:b. stabilization of ditch and swale bottoms;
14 KB (2,085 words) - 17:43, 22 November 2022