What kind of lab hates to get wet?

Roxy eats mud.  I don’t know why, but she’s tearing up the lawn.  I keep meaning to ask the vet about it.  Or at least Dr. Google.  Tonight, John suggested I try to deter her.  He handed me a full water bowl.  I went out on the deck, he pointed the flashlight, and I dumped half the bowl on her head.  She hates that, but she came right back on the deck (she was ignoring me when I was calling her in because she couldn’t tear herself away from the mud).  This might work.  The spray bottle is probably a better tool than the water bowl, though.