What Facts Should Every Shared Well Owner Know?

A shared well provides water service to two or more properties from one water source. It’s simple when it works. Everybody saves money. Problems arise when the rules aren’t clear. Conflict over maintenance responsibilities, excessive water usage, and muddy easement rights can ruin neighbor relations and derail real estate transactions.

Nationwide almost 1 in 20 private wells are shared wells. That’s close to 750,000 properties depending on shared groundwater through a shared well agreement. Some shared wells serve two properties. Some serve five or six homes in rural subdivisions spread out over acreage. Regardless of how many homes share the well, without a clear written agreement about how it’s owned and maintained someone will eventually get stuck with an unexpected bill or unreliable water.

What Should Be in a Shared Well Agreement?

In this article:

• What is a shared well agreement?
• What Should a Shared Well Agreement Include?
• Common Shared Well Problems
• Buying A House with a Shared Well
• Shared Well Costs and Maintenance Responsibilities

Frequently Asked Questions

What is a shared well agreement?

A shared well agreement is a legal document recorded with your county that details who owns, maintains, and how a well is used when two or more properties depend on the same water source. It usually runs with the land (meaning it applies to future owners) and is recorded the same way as an easement with your county deed recorder’s office.

The agreement specifies who owns what well equipment, how costs are divided, who can access the well and related equipment, and how decisions get made if there’s a problem with the well or if one party wants to sell their property and stop using the well. Think of it as a HOA agreement governing everything well-related – but only for the well itself.

Many shared wells operate every day without a written agreement. These are often older wells drilled 20-30 years ago by a developer or farmer who then sold off land parcels and left the owners to figure it out for themselves. If you share a well and don’t have a written agreement, state law governs your rights and responsibilities — and in most states, there aren’t any. That’s where problems start.

What Should a Shared Well Agreement Include?

At minimum your shared well agreement should cover six main topics. If you don’t address all of them your well agreement won’t hold up to changes in ownership, and future users will likely encounter some of these same problems.

Maintenance and Repair: Be clear on who is responsible for routine maintenance and annual inspections versus who handles major repairs. Many agreements say that maintenance like pump servicing and water testing is split equally regardless of the number of properties sharing the well. Specify how maintenance requests are made, how contractors are selected, and what happens if one party won’t pay their share.

Costs: Besides maintenance, detail how pumping costs (electricity) are split. Some agreements split costs evenly no matter how much water each household uses. Many well agreements prorate pumping costs based on household size or number of water hookups. Some go further, installing individual water meters on each property and splitting costs based on actual water use. All are valid. Just pick a method and put it in writing.

Access: Since one property owns the well, other properties own water lines running to the well how does someone access the well to read meters, test water quality, or fix a pump? Specify in the agreement that there is an easement granting each property owner (and their contractors) access to the well and related equipment. Without a well agreement with an access easement, the property owner where the well is located could literally prevent anyone from accessing the well to service or repair it.

Allocation: If costs are split equally how is water allocated? Some agreements set daily or monthly water allotments by household. Others simply say each house gets “reasonable domestic water usage”. “Reasonable use” should be defined in the agreement and may include water for household use and perhaps a garden, but prohibits watering lawns, filling pools, or irrigating new construction.

Dispute Resolution: Despite your best efforts disagreements happen. Ideally, the agreement provides for mediation followed by binding arbitration before anyone can file a lawsuit. Sometimes there are six parties sharing a well and decisions are made by majority vote. Clearly define how much notice is needed for decisions requiring consent (such as selling the well, installing new meters, or changing service providers) and which state’s laws govern the agreement.

Termination: Ideally nobody ever wants to stop using a shared well. Maybe they found rust in the water, or a better-paying job dozens of miles away and need reliable water during the move. When one party wants out, the agreement spells out how they’re allowed to disconnect from the well. Do they have to pay rent until the remaining owners drill another well? What happens to their share of the well costs now that they’ve stopped using the well? Paying a “buyout” of a few hundred dollars to cover the increased cost of future maintenance might be easier than buying your own well.

Common Shared Well Problems

Shared wells have inherent problems. Whether you use a well agreement to address them or not:

Unequal Water Usage: If household A only has two people while household B has six people, they may use very different amounts of water each month. Too much use by the larger household can strain the well pump during dry seasons when the water table drops and everyone’s water pressure suffers. Most well disagreements stem from disproportionate water usage. Individual water meters prices vary but each solve this problem by defining exactly who’s using what.

Maintenance Responsibilities: Everyone agrees maintenance is required until the day the bill arrives. Then one owner argues the pumps are fine and refuses to pay. A good agreement defines routine maintenance (pumps will be serviced every three years whether they need it or not) and sets expectations for replacement ahead of time. Suddenly it’s not about who thinks the pump needs replacing. It’s about whether pumping equipment passes an objective inspection.

Property Sale: Selling a property with a shared well is more complicated than homes with private wells. Lenders require an agreement that clearly outlines who owns what, how costs are split, and proves every property has access to the well. If your home shares a well remove any uncertainty about water rights by getting a shared well agreement recorded before listing your property.

Water Contamination: Let’s say someone dumps bleach or fracking fluid into the shared well by accident (this happens). Now the water is not potable, so someone must pay for well remediation. Do you tackle your neighbor’s overflowing backup toilet because it threatens your water quality too? A shared well agreement will spell out responsibilities for water quality testing, remediation, and cost sharing if the contamination comes from a single property.

Shared Well Pump and equipment fails: Interior pumps go bad and wells go dry, someday your shared well will need $500 – $5,000 in repairs. Ideally, each homeowner contributing to a shared well puts X dollars each month into a reserve account that funds major repairs when needed. Pump failure without a reserve account forces homeowners to either pay for repairs on a few days’ notice or go without water until everyone chippies in. Repair bills aren’t fair splits because one household uses twice as much water as the others.

Shared Well Costs and Maintenance Responsibilities

To ballpark shared well costs, consider are as follows:

Ideally each household sharing a well pays $300 – $500 per year for annual testing, equipment replacement reserves, and any occasional repair costs. Average homeowners save $5,000 to $15,000 per household by sharing a well vs installing separate wells. Nobody benefits from drilling new wells but your wallet.

Buying A House with a Shared Well

A house with a shared well isn’t necessarily a bad deal. You just need to know what you’re getting into before you buy. Request a copy of the shared well agreement and read it carefully. If one doesn’t exist, hire a real estate attorney to draft one now while both parties are willing. You’ll likely have to renegotiate the purchase price of your dream home until the well agreement is recorded.

Request a copy of the well inspection from the current owners. Like most wells some records may be lost over time. If no one knows how deep the well is or what shape the pump is in insist on a new well inspection prior to purchase.

Expect to pay for a third water quality test from your own vetted lab. Treat your drinking water like the importance it is. Don’t rely on water tests performed by uncertified contractors or previous owners.

Questions To Ask About When Buying a Home with a Shared Well:

How many properties share this well? Where is the well located? Is there a recorded easement granting each property access for maintenance and repairs?

How much water does the well produce, and is that enough volume for all homes sharing the well?

Are costs split equally? Is there a reserve fund for maintenance and emergency repairs?

Have there been any issues with water quality or amount of water over the past few years?

When was the pump last replaced? How old is the pressure tank?

Finances can be tricky. You’ll want the agreement to work with your mortgage lender. FHA loans have strict guidelines about shared wells . Ask your real estate attorney if the shared well agreement is FHA/VA/conventional compliant.

Red Flags When Buying a House with a Shared Well

No written shared well agreement between owners.

• Shared well agreement isn’t legally recorded with your local county clerk.
• Well head physically located on property that’s not a party to the shared well agreement.
• There’s no recorded easement granting access to the well, or the easement fails to specifically describe maintenance access.
• Well yield (output) is less than 3 gallons per minute per household connected to the well.
• Any property owners have had disputes over the past 5 years
• Pump or pressure tank is over 15 years old WITHOUT a maintenance reserve fund.

Ready To Protect Your Investment?

Uncertainty around water quality creates doubts about home value, preventing offers from nervous buyers who can only secure conventional mortgages. If you’re selling a house with a shared well provide potential buyers (and their mortgage lenders) with peace of mind by resolving these issues now:

Order your own water test. Water tests run $100 to $400 depending on how many contaminants are tested. Water quality is non-negotiable. Skip basic tests for total coliform bacteria and nitrate. Get the extended package.

Verify all parties own their share of the well and related equipment. Have property deeds handy that explicitly state each house owns a fraction of the well (1/2 for two homes, 1/4 each for four homes, etc.)

Review your existing agreement with a local real estate attorney. Get a cost estimate now. They’ll want to see existing agreements, water tests, and speak with everyone who uses the well. Still, most attorneys can provide a price quote over the phone.

Questions? Ask the Expert!

Do I need to hire a lawyer for a shared well agreement?

Yes. Unless both parties you trust like siblings, best friends, and your brother-in-law who inspects wells for a living you should hire a real estate attorney to draft your shared well agreement. State laws regarding water rights and real property easements vary widely. Attorneys usually charge $500-$1,000 to draft a comprehensive shared well agreement.

My neighbor refuses to sign a shared well agreement, what now?

Short of paying legal fees and “buying” their approval, you’re out of luck until state law changes. Start with something informal but still clearly documents each party’s responsibilities. getyourwell.com offers free shared well agreements you can customize online. Even if your neighbor doesn’t sign now, if you ever sell your home a signed agreement protecting your rights as a well owner might help you negotiate.

How many homes can a well supply?

Again, that depends on the well’s ability to meet peak water demand for all homes combined. Three gallons per minute of water should support the average household. Few wells can support more than 4 homes without running dry or suffering low water pressure during peak hours of the day.

Will a shared well lower my property value?

Yes and no. Depending on the language in your shared well agreement and overall condition of your well system. Buying a home whose water supply is shared well can reduce property value by 3% – 10% and limit financing options to only borrowers who qualify for high risk mortgages. Get a shared well agreement that protects everyone’s interests and your well won’t hold property value back.