Water Well Drilling in Western New York & Northwestern Pennsylvania

For nearly 50 years, McCandless Well Drilling and Services, Inc. has drilled residential, agricultural, and commercial water wells across Chautauqua County, NY, Warren County, PA, and the surrounding region. We handle the entire project — site evaluation, drilling, casing, pump installation, and water testing — so you end up with one accountable contractor and a well built for decades of reliable service. Based in Jamestown, NY, our crews drill in the same glacial soils and Devonian bedrock year-round. That local experience matters: well depth, drilling method, and cost in this region are driven almost entirely by what’s underground at your specific property.

Request a free estimate or call (716) 666-3708.

What's Under Your Property: Chautauqua County Geology and Your Well

Western New York and Northwestern Pennsylvania sit on layers left behind by glaciers — till, sand and gravel outwash, and silt and clay — over Upper Devonian shale and siltstone bedrock. Where your home sits within that landscape determines how we drill.

Valley properties:

The valleys hold sand-and-gravel aquifers mapped by the U.S. Geological Survey. Where we can tap a clean, water-bearing gravel layer, wells are often shallower and yields are strong. In the middle of some valleys, the productive gravel is buried under silt and clay, which protects the water but means drilling through low-yield material to reach it.

Hilltop and upland properties:

Outside the valleys, the glacial cover is mostly dense till that doesn’t store much water. These wells are drilled into bedrock, where water moves through fractures in the shale and siltstone. Fracture patterns vary from one property to the next, which is why two neighbors can have wells of very different depths and yields.

Before we drill, we evaluate your site — terrain, nearby well records, setbacks from septic systems and property lines — and recommend the location and approach most likely to produce reliable water the first time.

How Deep Will My Well Be?

Across our service area, the average drilled well runs about 115 feet deep. Valley wells finished in sand and gravel may come in shallower; upland bedrock wells sometimes need to go 200–300 feet to intersect enough water-bearing fractures for a dependable supply.

Depth isn’t a quality contest — a 90-foot well in good gravel can outperform a 250-foot bedrock well. What matters is yield (gallons per minute), recovery rate, and water quality. We drill to the depth your property requires, case and grout the well to protect it from surface contamination, and test the yield before we consider the job done.

Experienced Water Well Services From Start to Finish

What Does a New Well Cost in Western NY & Northwestern PA?

Most complete residential well projects in our area fall between $7,500 and $12,000. That figure covers the full working system, not just the hole: drilling, steel casing, well cap, submersible pump, pressure tank, wiring, and the connection to your home.

What moves the price within (or occasionally outside) that range:

Depth. Drilling and casing are priced per foot, so a 250-foot bedrock well costs more than a 100-foot valley well.
Geology. Heavy clay, boulders in the till, or extended casing requirements to seal off poor-quality shallow water add footage and material.
Pump system. Pump horsepower and tank size scale with depth and household demand. Larger homes and farms need more capacity.
Site access and distance. A long trench from the wellhead to the house, or a site our rig can’t easily reach, adds excavation and line work.
Water treatment. Iron, sulfur, and hardness are common in this region’s groundwater. If testing shows treatment is needed, filtration or softening is an additional system — we’ll quote it separately so you can see exactly what you’re paying for.

We provide written, itemized estimates before any work begins. No allowances buried in fine print, no surprise change orders for conditions we should have anticipated.

Well Permits in New York and Pennsylvania — We Handle the Paperwork

Permit rules differ on each side of the state line, and we manage compliance on every job:

New York:

Water well drillers must be registered with the NYS Department of Environmental Conservation, and a completed well report is filed with the state for every well we drill. Local health department requirements — including setback distances from septic systems, property lines, and other contamination sources — apply to new well placement, and some towns have their own permit steps. We confirm the requirements for your specific town before drilling.

Pennsylvania:

Pennsylvania licenses well drillers through the state and requires a well record to be submitted for each completed well. Construction standards for private wells are largely set at the county and municipal level, so requirements in Warren County can differ from neighboring areas. We follow industry construction standards on every PA well regardless of local minimums — proper casing, grouting, and sanitary well caps aren’t optional on our jobs.

You don’t need to research any of this yourself. We identify what your project requires, file the paperwork, and build the well to pass inspection.

Our Well Drilling Process, Start to Finish

Site evaluation. We assess your property, review area well records, and select the drilling location with the best odds of clean, plentiful water.
Drilling and casing. Our rigs drill through the glacial overburden and into the aquifer or bedrock. Steel casing is set and grouted to seal out surface water.
Yield testing. We measure flow and recovery to confirm the well meets your household’s demand before we install equipment.
Pump and tank installation. We size and install the submersible pump and pressure tank for your depth and usage.
Water testing and treatment recommendations. Water testing checks for bacteria and the iron, hardness, and sulfur common in local groundwater, so you know exactly what’s coming out of the tap.
Ongoing service. From pump maintenance to well repair, the same company that drilled your well stands behind it.

Why Homeowners Choose McCandless

- Nearly 50 years drilling in this exact geology. We’ve logged thousands of local wells and know what to expect before the bit touches the ground.
- One contractor for the whole system. Drilling, pumps, tanks, treatment, and repair — no coordinating multiple companies.
- Certified, local crews. Our team includes certified well drillers and pump installers based in Jamestown, not a regional franchise.
- Straight answers and written estimates. You’ll know the expected depth range, the cost drivers, and the total before we start.
Call (716) 666-3708 for a free consultation and estimate.

Serving Western NY & Northwestern PA
Combined Area

Frequently Asked Questions

How deep should a water well be for a reliable supply?

Wells in our service area average about 115 feet, but the right depth is property-specific. Valley wells in sand and gravel can be shallower; upland bedrock wells may need 200 feet or more. We determine depth by drilling to adequate yield and water quality, not by hitting a preset number.

Water Well Drilling in Western New York & Northwestern Pennsylvania