The residual river hazard level, approved by G.P. resolution of 4 September 2020, n. 1307, classifies the territory into classes of danger in relation to residual fluvial phenomena, in compliance with art. 10 paragraph 1, letter a) of the Provincial Law of 1 July 2011, n. 9. on the basis of the criteria and methodology approved by G.P. resolution of 4 September 2020, n. 1306. The hazard classification is coded in the CAP field (HR2 - low residual, HR3 - medium residual, HR4 - high residual, HP - potential, H1 - negligible, H2 - low, H3 - medium, H4 - high). The cartographic basis for contextualizing the Hazard Map is the Provincial Technical Map in force. The hazard classification is coded in the CAP field (HR2 - low residual, HR3 - medium residual, HR4 - high residual). The cartographic basis for contextualizing the Hazard Map is the Provincial Technical Map in force.