The SWOS Water Quality product is elaborated combining and processing satellite data from Envisat-MERIS-Sentinel 3 or Landsat 8/Sentinel-2. It allows monitoring of aquatic pollution and physical disturbances for wetland ecosystems within a year or a season. 

SWOS products use the possibilities offered by free satellite data to generate mapping products and indicators which will be applicable globally. The precision of the products is about 300 meters, with temporal resolution of 8 days. The minimum size of water body to be mapped is 3 km2. 

The following 3 parameters can be monitored: 
- Chl a, Chlorophyll a (µg l-1)
- TSM, Total Suspended Matter (mg l-1)
- CDOM, Colored Dissolved Organic Matter absorption (m-1)

The water quality software product is available as part of:
* the SWOS software toolbox for users who want to make maps and indicators by themselves;
* the SWOS service portal (http://portal.swos-service.eu) for users  who want to access the final product on areas where water quality maps have already been generated.