Maine Public Utilities Commission observes Safe Digging Month Contributed • April 14, 2021 In observance of National Safe Digging Month in April, as proclaimed by Gov. Janet Mills, the Maine Public Utilities Commission reminds Mainers of the dangers of digging without knowing the location of underground utilities. HALLOWELL, Maine — In observance of National Safe Digging Month in April, as proclaimed by Gov. Janet Mills, the Maine Public Utilities Commission reminds Mainers of the dangers of digging without knowing the location of underground utilities. Maine law requires anyone, eve...