{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "This line feature class represents MS4 grass treatment swales for stormwater located in Boca Raton. Locations were created based on existing spreadsheets that are being field verified. Inspections are reported for MS4 permitting stored in this related table:\nMS4_NPDES_GRASS_SWALES_INSPECTION", "description": "

This line feature class represents MS4 grass treatment swales for stormwater located in Boca Raton. Locations were created based on existing spreadsheets that are being field verified. Inspections are reported for MS4 permitting stored in this related table:<\/SPAN><\/P>

MS4_NPDES_GRASS_SWALES_INSPECTION<\/SPAN><\/P>

Grass Treatment Swales \u2013 Swales are defined in Chapter 403.803(14), Florida Statutes, as follows:<\/SPAN><\/P>

\u201cSwale means a manmade trench which:<\/SPAN><\/P>

1. Has a top width to depth ratio of the cross-section equal to or greater than 6:1, or side slopes equal to or flatter than 3 feet horizontal to 1-foot vertical;<\/SPAN><\/P>

2. Contains contiguous areas of standing or flowing water only following a rainfall event;<\/SPAN><\/P>

3. Is planted with or has stabilized vegetation suitable for soil stabilization, stormwater treatment, and nutrient uptake; and<\/SPAN><\/P>

4. Is designed to take into account the soil erodibility, soil percolation, slope, slope length, and drainage area so as to prevent erosion and reduce pollutant concentration of any discharge.<\/SPAN><\/P>

Swales are online retention systems and their treatment effectiveness is directly related to the amount of the annual stormwater volume that is infiltrated. Swales designed for stormwater treatment can be classified into the following two categories:<\/SPAN><\/P>

\u2022 Swales with swale blocks or raised driveway culverts.<\/SPAN><\/P>

\u2022 Swales without swale blocks or raised driveway culverts<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "summary": "This line feature class represents MS4 grass treatment swales for stormwater located in Boca Raton. Locations were created based on existing spreadsheets that are being field verified. Inspections are reported for MS4 permitting stored in this related table:\nMS4_NPDES_GRASS_SWALES_INSPECTION", "title": "BOCADATA.CNEIRA.MS4_GRASS_SWALES", "tags": [ "stormwater", "swales", "ms4", "Engineering" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 150000000, "maxScale": 5000, "spatialReference": "", "accessInformation": "Anne Capelli - Mock Roos\nanne.capelli@mockroos.com\n\nCity of Boca Raton Municipal Services Engineering\nCassandra Neira\nGIS Analyst", "licenseInfo": "

The Data is provided \"as is\" without warranty or any representation of accuracy, timeliness or completeness. The burden for determining accuracy, completeness, timeliness, merchantability and fitness for or the appropriateness for use rests solely on the requester. The City makes no warranties, express or implied, as to the use of the licensed Data. There are no implied warranties of merchantability or fitness for a particular purpose. The requester acknowledges and accepts the limitations of the Data, including the fact that the Data is dynamic and is in a constant state of maintenance, correction and update.<\/SPAN><\/SPAN><\/P><\/DIV><\/DIV><\/DIV>" }