No paper towels, no "flushable wipes", no dental floss, no hygiene products, no tee shirts (real example). 

The justification for eminent domain would be the cost of defending the current set up, health costs and environmental cleanup costs. 

Quote from @Jerem Kaawaloa: I have spent the past 20 years working in health care and have only ever purchased properties for my own use, including a home and office.

Charge more to traveling health professionals.  

In 1.5 years, I will be moving to a large university town to start a dental residency program, and I am viewing this as an opportunity to invest in my first property.

Real Estate, Self Help/Health, Starting my own Direct to Seller Business, Roth IRA, Crypto, and my family! 

After decades of work in the industry, and in Green House design and administration, she is very comfortable with the model of establishing relationships with a home health provider for on-site care.

All that being said I don't know about if a salt hot tub is better per se, I know it's better for your skin and I'd say perhaps if you're in a very health conscious area like Joshua Tree, some folks might be attracted to the idea of a salt water hot tub.

(I also had to come to CA for health reasons, so I am not sure if that is an exception) - You can use that reason to excuse the amount of time you lived in it. 

The county health department may have ok'd it, but that doesn't mean whoever lives there isn't going to get cancer from it and sue you later for knowledge.