Homes in Alpharetta, GA currently sell for a median price of around $789,000 and spend roughly 37 days on the market. Buyers weighing the pros and cons of living in Alpharetta often assume every property connects to the municipal utility grid. Most suburban subdivisions do run on public water lines - but some properties rely on private wells, and that distinction matters more than people expect when they're budgeting.

Understanding how these systems work helps you plan for both monthly expenses and long-term maintenance. This guide breaks down the differences between municipal water and private well systems across Fulton County, starting with what each one costs you.

A Quick Look at Alpharetta Water Sources

The City of Alpharetta doesn't operate its own water and sewer utility. That job belongs to Fulton County's Department of Public Works, which provides service through the North Fulton County Water Service District. The Fulton County Finance Department's Water & Sewer Billing and Collections Division handles accounts for residents in this area.

So in most cases, you'll deal directly with Fulton County - not the city - for your water setup and monthly billing. Properties on older, larger lots or outside the dense suburban core may still pull from private wells. When that's the situation, the homeowner becomes their own water provider and takes on all maintenance responsibilities that come with it.

Comparing the Two Systems

Municipal water gives you predictable monthly billing and county-managed quality testing. You pay a base fee plus a rate tied to exact gallons consumed, and the county handles all infrastructure repairs up to your residential water meter.

A private well eliminates the monthly municipal water bill entirely - you don't pay a volume rate for what you draw from the ground. What you do pay for is the electricity to run the well pump, plus all costs for equipment repairs and water testing. Neither system is free; they just charge you differently.

Which Source is More Common in Fulton County

The overwhelming majority of Alpharetta subdivisions, townhome communities, and commercial areas connect to the North Fulton County Water Service District. Private wells show up more often on larger parcels, equestrian properties, or in less developed pockets of the county. Some properties have it both ways - a municipal connection for the main house and an older well kept active strictly for landscape irrigation.

Defining Municipal Water and Private Wells

Homes on the municipal grid receive water from Fulton County's treatment and distribution facilities. Private wells pull groundwater directly from aquifers beneath the property. The infrastructure and daily operation of those two systems are entirely different, and so are your responsibilities as a homeowner.

The term "city water well" trips up some buyers. Municipalities do occasionally operate large community wells to feed the public supply, but in residential real estate, a home either connects to the public utility grid or it relies on a private residential well located on the lot. There's no middle ground.

Understanding the Municipal Supply

Fulton County handles extraction, treatment, and delivery for homes on the public grid. The county monitors water pressure and maintains the underground mains running through Alpharetta neighborhoods. Your responsibility starts at the water meter and runs through the plumbing inside the house.

Common Types of Private Wells

Private wells fall into categories - dug, driven, bored, or drilled. Drilled wells are the most common for modern residential use because they reach deeper aquifers and produce more reliable water flow.

These systems require a motorized pump installed deep underground. The pump pushes water up into a pressure tank inside the home or garage, which then distributes it through the house's plumbing. That's the hardware you'll be maintaining as the owner.

How to Tell Which System You Have

The fastest check: look for a water meter near the street. It's usually housed in a concrete or plastic box set flush with the ground near the property line. If it's there, you're on the municipal grid.

If the property has a steel or PVC well casing coming out of the ground in the yard, it's on private water. You'll also find a pressure tank and pump control switch somewhere inside the home or in an exterior utility shed.

Monthly and Long-Term Water Costs

Fulton County Water Services charges a base rate of $11.25 per month for a typical residential structure. Volume charges run about $4.74 per 1,000 gallons for water. Wastewater is billed separately at around $8.98 per 1,000 gallons. Fulton County has historically been noted as one of the lower-priced regional utilities, though rates have risen roughly 5% per year in recent cycles to fund capital improvements.

Typical Municipal Water Bills in Alpharetta

A household using 5,000 gallons a month will see an estimated water bill of about $34.95 - that covers water delivery and the base charge, excluding the separate sewer charges. You can track your usage through the county's billing portal. High summer bills usually come down to automated lawn irrigation systems running multiple times a week.

Well Ownership and Maintenance Expenses

Well owners don't pay a volumetric rate for their water. The primary ongoing cost is the electricity to run the pump every time someone opens a faucet or flushes a toilet. That's manageable - until something breaks.

You should budget for periodic pump replacements and pressure tank repairs. A new well pump can run a few thousand dollars, and you're covering the full cost out of pocket if the system fails without warning.

Do You Pay Separately for Well Water and Septic?

Well water and septic systems operate independently. If both are entirely private, you don't pay a monthly municipal fee for either one. You do pay to have the septic tank pumped every few years and handle all maintenance on the well equipment yourself.

One scenario worth knowing: if a home has well water but connects to the municipal sewer, you'll receive a county bill specifically for wastewater processing. The two systems don't have to match.

Water Quality, Testing, and Treatment

The Fulton County Board of Health oversees private well permitting and inspections. Per the 2022 fee schedule, a Well Location Review and Permit costs $250, which includes one water sample if requested. Older published fees listed private well construction at $220.

Municipal water is treated and tested continuously by the county before it reaches your tap. Private well owners carry that responsibility themselves. If you're considering a property off the public grid, understanding the testing requirements before you close isn't optional - it's basic due diligence.

Drinking Safety for Municipal Water

Fulton County public water meets state and federal drinking water standards. The county publishes annual water quality reports detailing testing results and treatment methods. Some homeowners still install under-sink filters or whole-house systems to adjust taste or remove trace minerals, but the water is safe to drink straight from the tap.

Testing and Treating Private Well Water

Well water can absorb minerals from the surrounding soil, which sometimes produces hard water. Owners should test annually for bacteria, nitrates, and other natural contaminants. Many properties run water softeners or reverse osmosis systems to manage mineral content - and those treatment systems need their own ongoing maintenance, like adding salt to the softener every few months. It's not a set-it-and-forget-it situation.

Weighing the Upsides and Downsides of a Private Well

A private well gives you a dedicated water supply independent of the municipal grid, and buyers often fixate on the monthly bill comparison when they're evaluating city water vs. well water costs. That's fair, but the day-to-day experience of living with the system matters just as much.

The Benefits of Private Water

You avoid monthly municipal water bills and rate increases entirely. If you use a large amount of water for gardening or filling a pool, you don't pay a premium for the extra volume. The water also arrives without added chemicals like chlorine, and plenty of people genuinely prefer the taste and feel of untreated groundwater for drinking and bathing.

The Drawbacks to Consider

If the power goes out, the well pump stops. The house loses water pressure entirely unless the property has a backup generator. There's no county infrastructure backstop.

The homeowner is also fully on the hook if the well runs dry or the pump fails. Replacing a deep-well pump or drilling a new well costs thousands of dollars and can't wait - you need water in your house. That financial exposure is the biggest difference between the two systems, and it's worth taking seriously before you commit to a well property.

Converting Your Property to Municipal Water

Fulton County's Department of Public Works, located at 11575 Maxwell Road in Alpharetta, manages water system connection fees. Connecting to the municipal grid requires purchasing a permit prior to connecting to the North Fulton County Water Service District. The county bases its fees on the water meter size required for the home, so the total cost isn't one-size-fits-all.

Converting a property means coordinating with the county for the meter and hiring private contractors to handle the plumbing work inside.

The Process of Connecting to the City Supply

Homeowners submit a Water Service Application to the county. Properties located within the City of Roswell or City of Mountain Park service districts must apply through those cities instead - not Fulton County directly.

Once approved, the county installs the meter at the street. Then you hire a plumber to run the water line from the new meter to the house and disconnect the internal plumbing from the old well system.

Connection Fees and Costs

The total connection cost includes a System Capacity Fee and the price of a new water meter. If you're also tapping into the municipal sewer line, a separate Sewer System Connection Fee applies. Additional charges can come into play if the project requires utility relocation or pavement and sidewalk repairs near the water vault.

Before you build a conversion budget, go straight to the county's official fee PDF for the current meter-size fee table. The numbers vary enough that estimating from memory isn't a good approach.

Buying an Alpharetta Home with a Well

With roughly 375 homes currently available in Alpharetta's inventory, buyers will occasionally come across properties that rely on private wells. When you do, the due diligence process needs a few extra steps that a standard transaction doesn't require.

Standard home inspections rarely cover the mechanical health of a well pump or the chemical makeup of the water. You'll want to bring in specialists - not rely on the general inspector to catch problems that are outside their scope.

What to Inspect Before Closing

Hire a well inspector to check the pump's flow rate and the condition of the pressure tank. You want confirmation that the system produces enough water pressure to support the household's daily needs - not just that the water turns on when you flip a faucet.

Get a complete water quality test as well. That test checks for bacteria, heavy metals, and mineral hardness. It tells you whether the water is safe before you're living there, not after.

Questions to Ask the Seller

Ask for the age of the well pump and any records of past water testing. A pump nearing the end of its lifespan is a near-term replacement cost you need to factor into your offer. Ask whether the well has ever run dry during summer droughts - that's a question sellers occasionally hope you won't think to raise.

Find out if the home has any point-of-entry water filtration systems installed, and how often they require servicing. Those systems add maintenance obligations that transfer to you at closing.

Frequently Asked Questions

Is it better to have a well or be on city water in Alpharetta?

It depends on your preferences and budget. City water offers convenience and continuous testing by Fulton County, while well water avoids monthly volume rates but requires the owner to handle all maintenance and testing.

Is it cheaper to use well water or city water in Alpharetta?

Well water has no monthly volume charge like Fulton County's $4.74 per 1,000 gallons, but owners must pay for electricity, pump maintenance, and periodic water testing. City water provides predictable monthly bills without the risk of sudden equipment replacement costs.

How much does it cost to switch from well to city water in Alpharetta?

Costs vary based on the water meter size required for the home. Fulton County charges a System Capacity Fee and a new meter fee, plus potential additional costs for pavement repair and the private plumbing work needed from the street to the house.

What should I look out for when buying a house with well water in Alpharetta?

Check the age of the well pump and the condition of the pressure tank. Buyers should request a complete water quality test to check for bacteria and hard minerals before closing.

Can a property in Alpharetta have both well water and city water connections?

Yes, some properties use municipal water for the house and keep an existing well active for outdoor irrigation. Homeowners must get separate Fulton County Water/Sewer Department backflow-preventer approval to ensure the systems do not cross-contaminate.

Is Alpharetta city water safer to drink than local well water?

Fulton County treats and tests the municipal supply continuously to meet federal drinking water standards. Well water is safe if properly maintained, but owners must test it themselves for bacteria and contaminants.

Will I need to maintain a private well in an Alpharetta 55+ neighborhood?

The overwhelming majority of subdivisions and retirement communities in Alpharetta connect directly to the municipal water grid. Private wells typically only show up on larger parcels, equestrian properties, or in less developed pockets of the county.

What should new residents know about water utilities before buying a house?

Planning a move to Alpharetta requires checking if a target property connects to the municipal utility grid or relies on a private well. Homes on the public supply pay predictable monthly volume rates, while private well owners must cover all equipment repairs and water testing out of pocket.