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Shared Wells, FHA & VA Loans: How Many Homes Can Share a Well and What is Potable Water?
If you're purchasing a home in rural Southern Arizona, there's a good chance the property may not be connected to a city water system. Instead, it may have an individual well or a shared well.
One of the questions I frequently receive is:
"Can I still buy a home with an FHA or VA loan if it has a shared well?"
The answer is yes, provided the property meets the lending guidelines.
What Is a Shared Well?
A shared well is exactly what it sounds like—a single water well that provides water to more than one home.
Shared wells are common in rural areas around:
Catalina
Oracle
Picture Rocks
Avra Valley
Three Points
Marana
Vail
Green Valley
Other rural communities throughout Arizona
While they can work very well, lenders want to ensure the system provides a safe and dependable water supply.
How Many Homes Can Share a Well?
FHA Loans
Under current FHA guidelines, a shared well may serve no more than four homes (or living units). In addition:
The well must provide enough water for every home connected to it.
Each property must have its own shut-off valve.
There must be a recorded Shared Well Agreement that explains maintenance responsibilities, repair costs, and access rights.
The water must be safe for human consumption (potable water).
VA Loans
VA loans also permit shared wells, but the focus is slightly different.
The VA requires:
A continuous supply of safe, potable water.
A permanent easement allowing access for maintenance and repairs.
A recorded well-sharing agreement binding current and future owners.
Water quality that meets VA standards for private wells. Unlike FHA, VA guidance refers to wells serving two or more properties rather than imposing a specific four-home limit in its handbook.
What Does "Potable Water" Mean?
Potable water simply means:
Water that is safe to drink and safe for everyday household use.
It should be suitable for:
Drinking
Cooking
Bathing
Washing dishes
Laundry
General household use
The water should be free from harmful bacteria, excessive nitrates, and other contaminants that could pose a health risk. If there are concerns about water quality, the lender may require testing before the loan can close.
Why Do Lenders Care?
When financing a home, lenders want to know the property is:
Safe
Sanitary
Habitable
A home without a dependable source of clean water may not qualify for financing until any issues are corrected.
That's why appraisers, lenders, and occasionally local health departments may require documentation showing that the shared well meets applicable standards.
What Is a Shared Well Agreement?
One of the most important documents is the Shared Well Agreement.
This recorded legal agreement typically outlines:
Who owns the well
Who can use it
How maintenance is handled
How repair costs are divided
Access rights for repairs and maintenance
Responsibilities that transfer to future owners
Without a properly recorded agreement, financing can be delayed or even denied.
Buying a Rural Property? Work with Someone Who Understands the Process
Purchasing a home with a shared well doesn't have to be complicated—but it does require understanding FHA, VA, and lender requirements before you get to the closing table.
As a full-time Realtor serving Tucson and Southern Arizona, I help buyers navigate these unique property issues so there are no surprises during escrow.
Whether you're purchasing your first home, relocating to a rural property, or selling acreage with a shared well, I'm here to guide you every step of the way.
If you're considering buying or selling a property with a private or shared well, I'd be happy to answer your questions.
Wes Stolsek
OMNI Homes International
📞 520-404-9773
"Helping buyers and sellers make informed real estate decisions throughout Southern Arizona."
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