The state of Pennsylvania keeps a log of every well ever drilled. We read all 592,874 of them.
Pennsylvania well logs, made useful.
Every water well in the state groundwater inventory — depth, reported yield and the address it was filed under — brought together around one address, instead of one record at a time.
✓ Verified against PaGWIS · 2026-08-19
162 ftmedian well depth statewide
12 gpmmedian well yield
380 ft9 in 10 wells are shallower than this
353,674wells you can look up by location
What you can answer here
- How deep will my well need to be? Median and range of actual drilled depths near you — not national averages.
- What will it cost? Local median depth × published per-foot rates, with the math shown.
- Will it produce enough water? Yields from pump tests on nearby wells.
- Who drills around here? The drillers who actually filed recent well logs in your county.
These are PaGWIS records
Every figure here comes from the Pennsylvania Groundwater Information System (PaGWIS), published by the PA Department of Conservation and Natural Resources — the state's official well-log repository. We index those same records by location so you can start from an address, and every well links back to its original filed log.
Buying property with a well — or land you'd need to drill?
See every recorded well near any Pennsylvania address: depths, water levels, yields, and links to the original driller's logs — all in one report.
Get the property report — $29Driller, agent, or inspector? Unlimited & white-label plans →
Well data by county
Adams County
13,292 wells · median 207 ft Allegheny County
5,290 wells · median 67 ft Armstrong County
3,500 wells · median 125 ft Beaver County
7,004 wells · median 150 ft Bedford County
11,129 wells · median 200 ft Berks County
22,763 wells · median 180 ft Blair County
6,445 wells · median 160 ft Bradford County
7,787 wells · median 138 ft Bucks County
22,724 wells · median 185 ft Butler County
11,405 wells · median 145 ft Cambria County
6,705 wells · median 130 ft Cameron County
690 wells · median 90 ft Carbon County
9,164 wells · median 200 ft Centre County
5,231 wells · median 200 ft Chester County
39,136 wells · median 150 ft Clarion County
2,603 wells · median 92 ft Clearfield County
2,987 wells · median 140 ft Clinton County
3,186 wells · median 125 ft Columbia County
2,607 wells · median 150 ft Crawford County
9,217 wells · median 80 ft Cumberland County
14,438 wells · median 180 ft Dauphin County
11,672 wells · median 175 ft Delaware County
4,851 wells · median 101 ft Elk County
1,671 wells · median 120 ft Erie County
9,629 wells · median 60 ft Fayette County
1,506 wells · median 100 ft Forest County
1,706 wells · median 100 ft Franklin County
12,040 wells · median 180 ft Fulton County
3,185 wells · median 220 ft Greene County
1,922 wells · median 98 ft Huntingdon County
4,542 wells · median 185 ft Indiana County
7,255 wells · median 120 ft Jefferson County
4,317 wells · median 122 ft Juniata County
2,056 wells · median 155 ft Lackawanna County
7,526 wells · median 240 ft Lancaster County
31,290 wells · median 200 ft Lawrence County
5,851 wells · median 130 ft Lebanon County
9,236 wells · median 180 ft Lehigh County
11,197 wells · median 200 ft Luzerne County
5,990 wells · median 217 ft Lycoming County
5,288 wells · median 150 ft Mckean County
1,402 wells · median 100 ft Mercer County
8,422 wells · median 95 ft Mifflin County
2,332 wells · median 180 ft Monroe County
25,536 wells · median 220 ft Montgomery County
19,427 wells · median 158 ft Montour County
1,418 wells · median 160 ft Northampton County
10,532 wells · median 200 ft Northumberland County
3,286 wells · median 175 ft Perry County
5,882 wells · median 200 ft Philadelphia County
4,693 wells · median 30 ft Pike County
8,468 wells · median 251 ft Potter County
3,648 wells · median 142 ft Schuylkill County
6,562 wells · median 180 ft Snyder County
2,911 wells · median 199 ft Somerset County
5,193 wells · median 175 ft Sullivan County
1,074 wells · median 160 ft Susquehanna County
5,161 wells · median 245 ft Tioga County
5,716 wells · median 140 ft Union County
3,283 wells · median 160 ft Venango County
4,533 wells · median 92 ft Warren County
3,181 wells · median 85 ft Washington County
4,759 wells · median 101 ft Wayne County
4,825 wells · median 220 ft Westmoreland County
7,201 wells · median 145 ft Wyoming County
3,094 wells · median 240 ft York County
29,640 wells · median 200 ft