How long does alcohol show in a urine test?

A person can metabolize the alcohol content of one beer (12 oz) an hour. Therefore, you can conceiveably drink one beer an hour for the rest of your life and never be drunk.

Alcohol is typically tested in blood, not urine. However the EtG alcohol urine testis unreliable, as noted by the US. federal government.

A urine test for alcohol is wildly inconclusive for ETOH, as it can pick up alcohol from any number of household and healthcare products. If you test positive for alcohol on a urine test, fight it. It's an easy win.