If the meter looks like it’s been in a war—cracked, foggy, or full of ants—call your water company. That’s their equipment, not yours. Don’t try to fix it yourself; you might as well try to repair a space shuttle with duct tape.
Water Meter Outside
Also, if the meter box is full of water or bugs, don’t stick your hand in. Snakes love warm meter boxes. Just use a stick or a camera phone to peek inside.