Call Tuscaloosa 311 by dialing 311 within city limits or 205-248-5311 if outside city limits. You may also call the Ed Love Plant at 205-248-5630. Your hot water heater is set too high and precipitating the lime for PH control. Set water temp between 130-140 degrees maximum. Your hot water heater may need to be drained and flushed as well.
This is to serve only as a guide. Contact a professional for more information.