3.4.3 Total Phosphorus
The content in phosphorus evaluated from 2000 to 2007 (T1) presented average values ​​of 0.18 mg l-1 (milligrams per litre), against the average values ​​of 0.14 mg l-1, evaluated from 2008 to 2018 (T2), representing a 78% drop in the average values.