A 16-inch main water line failure near Inola forced the school district to dismiss students early and offer virtual learning on Wednesday.Mayes County Rural Water District 2 says the 16-inch main water line failed Wednesday morning near 640 Rd. and 560 Road. Crews initially believed someone struck the line while digging, but an investigation revealed the pipe simply failed on its own.Repairs were expected to be completed by 9 a.m., but as the mo…