Impact to the front bumper can cause the connector on the washer pump to come off and the windshield washers will not work. Depending upon the severity of the impact it could damage the washer motor and bottle.Google+
Car Problem Reports
Honda CR-V Windshield Washer Inop Due to Front Bumper Impact
Honda CR-V Problem
Average Mileage: 53,500 mi (25,000 mi - 82,000 mi)
Visitor, 2011 Honda CR-V, 25,000 mi
Had a front end collision and broke off the pump value . Had to replace the whole pump assembly.
Visitor, 2007 Honda CR-V
I was first told I must have hit something and broke it, which I did not. Dealer replaced windshield washer mech. free of charge, since still under warranty.