BRYN MAWR, Pa.–(BUSINESS WIRE)– #811–With construction season at its summertime peak, Essential Utilities and its subsidiaries, Aqua Water and Peoples Natural Gas, urge customers and contractors to recognize 811 Day and take great care with all digging and excavation practices. Tuesday, August 11 (8-11) brings a clear reminder of the importance of a simple and safety-first call to 811, the national number to report projects involving excavation and request utilities like Peoples and Aqua mark nearb