3.4.4 Organic Carbon
The content in Organic Carbon measured from 2000 to 2007 (T1) presented average values ​​of 9.60 mg l-1 (milligrams per litre), against the average values ​​of 5.19 mg l-1, evaluated from 2008 to 2018 (T2), with a 59% drop in average values.