Changes

*Repair sunken areas when ≥ 10 cm deep and barren/eroded areas when ≥ 30 cm long;

*Repair sunken areas when ≥ 10 cm deep and barren/eroded areas when ≥ 30 cm long;

*Remove sediment when > 5 cm deep or time to drain water ponded behind [[check dams]] exceeds 48 hours.

*Remove sediment when > 5 cm deep or time to drain water ponded behind [[check dams]] exceeds 48 hours.

|[[File:Filter Bed Pass swale.PNG|295px|thumb|center|The filter bed has retained its original grading without any sharp depressions that would indicate surface bed sinking.]]

|[[File:Filter Bed Pass swale.PNG|315px|thumb|center|The filter bed has retained its original grading without any sharp depressions that would indicate surface bed sinking.]]

[[File:Surface ponding Pass Swale.PNG|295px|thumb|center|TThe maximum surface ponding depth behind check dams matches what was specified in the final design. (Source:

[[File:Surface ponding Pass Swale.PNG|315px|thumb|center|TThe maximum surface ponding depth behind check dams matches what was specified in the final design. (Source:

Mark M. Holeman, Inc., 2015)<ref>Mark M. Holeman, Inc. 2015. What is a Bio-Swale? Authored by Rick Blankenship. 25 September 2015. Accessed 5 July 2022. http://www.holemanlandscape.com/2015/09/25/what-is-a-bio-swale/</ref>]]

Mark M. Holeman, Inc., 2015)<ref>Mark M. Holeman, Inc. 2015. What is a Bio-Swale? Authored by Rick Blankenship. 25 September 2015. Accessed 5 July 2022. http://www.holemanlandscape.com/2015/09/25/what-is-a-bio-swale/</ref>]]

|[[File:Filter Bed Fail swale.PNG|300px|thumb|center|Clear evidence of bed sinking is visible, creating a preferential ponding area where vegetation has died off.]]  

|[[File:Filter Bed Fail swale.PNG|300px|thumb|center|Clear evidence of bed sinking is visible, creating a preferential ponding area where vegetation has died off.]]  

|'''[[Vegetation]]'''

|'''[[Vegetation]]'''

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Deep rooting [[perennial]] grasses or a mixture of [[wildflowers]] and [[shrubs]], tolerant to both wet and dry conditions and [[salt]]; roots uptake water and return it to the atmosphere, provide habitat for organisms that break down trapped pollutants and help maintain soil structure and permeability

Deep rooting perennial [[grasses]] or a mixture of [[Perennials:_List|wildflowers]] and [[shrubs]], tolerant to both wet and dry conditions and [[salt]]; roots uptake water and return it to the atmosphere, provide habitat for organisms that break down trapped pollutants and help maintain soil structure and permeability

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*Routine maintenance is the same as a conventional lawn;

*Routine maintenance is the same as a conventional lawn;