TN · wells & permits

Water wells in Tennessee

Real drilling records, county depth medians, active contractors, and exactly what it takes to pull a well permit in Tennessee.

The permit, in plain language

Paper / PDF filinggeneric

TDEC DWR

Rules 0400-45-06/-09

Instrument: notification
Fee: Call to confirm
Who files: Driller or owner may file
Timeline: Varies

Confirm current fee with authority

Before the rig arrives

Confirm parcel allows a private well (vs required public water connection).
Select a licensed well contractor; obtain owner authorization as required.
File notification with TDEC DWR (PDF/email/mail — WellMap prepares the packet; lawful submitter files).
Do not drill until authorization is issued (or notification accepted, per regime).

After drilling: Water Well Driller's Report CN-0825 within 60 days → TDEC DWR · filing link ↗

Forms: TN well application · Water Well Driller's Report CN-0825

Open the filing portal ↗

WellMap prepares estimate-backed quote packets and dual-party approvals. It does not issue permits and never auto-submits to government systems. The licensed driller (and/or owner where required by law) is the submitter of record. Verified 2026-07-14.

Top drillers on record

No contractor statistics for Tennessee yet — several states publish drilling records without contractor names, and a few aren't in bulk form at all. See data & methodology.

Get a depth estimate anywhere in Tennessee

County by county

Depth statistics across Tennessee

Medians from wells with verified total depth. Click a county for its permit authority, fee and filing channel.

County	Wells	With depth	Median	p10–p90
SEVIER	9,037	8,770	305 ft	125–714 ft
FAYETTE	7,168	7,135	160 ft	110–210 ft
WILLIAMSON	6,405	6,298	206 ft	100–400 ft
MADISON	4,762	4,593	135 ft	80–205 ft
RUTHERFORD	4,443	4,292	200 ft	83–400 ft
MONROE	4,008	3,996	225 ft	112–500 ft
MCMINN	3,670	3,662	245 ft	125–505 ft
BLOUNT	3,354	3,327	250 ft	118–600 ft
HARDEMAN	3,209	3,153	145 ft	77–300 ft
CARROLL	3,208	3,130	120 ft	75–180 ft
HAWKINS	3,142	3,129	245 ft	125–505 ft
COCKE	3,100	3,092	285 ft	125–585 ft
LAWRENCE	2,995	2,883	120 ft	63–232 ft
HENRY	2,965	2,946	110 ft	59–180 ft
MARSHALL	2,885	2,832	200 ft	81–500 ft
WILSON	2,761	2,692	165 ft	75–300 ft
GRAINGER	2,756	2,367	320 ft	160–600 ft
JEFFERSON	2,700	2,668	305 ft	140–600 ft
COFFEE	2,610	2,556	80 ft	54–155 ft
WEAKLEY	2,532	2,461	140 ft	80–220 ft
GIBSON	2,525	2,487	150 ft	90–252 ft
DICKSON	2,515	2,446	167 ft	80–310 ft
BRADLEY	2,461	2,445	230 ft	120–450 ft
CLAIBORNE	2,451	2,434	305 ft	125–512 ft
HUMPHREYS	2,398	2,352	160 ft	65–320 ft
SUMNER	2,393	2,300	100 ft	50–295 ft
DAVIDSON	2,383	2,329	250 ft	100–410 ft
CHESTER	2,366	2,347	124 ft	75–175 ft
GILES	2,303	2,285	150 ft	73–350 ft
KNOX	2,295	2,262	250 ft	105–545 ft
CHEATHAM	2,253	2,190	165 ft	75–270 ft
WAYNE	2,229	2,156	157 ft	70–270 ft
HAYWOOD	2,188	2,154	140 ft	80–245 ft
BLEDSOE	2,145	2,129	210 ft	104–402 ft
STEWART	2,145	2,052	200 ft	63–400 ft
BENTON	2,128	2,105	75 ft	44–175 ft
MAURY	2,062	1,897	225 ft	100–841 ft
LINCOLN	1,888	1,871	100 ft	52–300 ft
JOHNSON	1,861	1,850	285 ft	124–505 ft
BEDFORD	1,807	1,769	160 ft	73–300 ft
SHELBY	1,792	1,737	172 ft	70–460 ft
HICKMAN	1,714	1,671	180 ft	80–320 ft
CUMBERLAND	1,665	1,652	180 ft	84–350 ft
ROANE	1,660	1,625	265 ft	100–542 ft
UNION	1,650	1,410	265 ft	120–510 ft
POLK	1,624	1,620	230 ft	126–460 ft
FRANKLIN	1,566	1,538	105 ft	67–223 ft
HAMILTON	1,549	1,539	250 ft	105–500 ft
MARION	1,484	1,479	196 ft	95–402 ft
LOUDON	1,454	1,448	285 ft	125–570 ft
LEWIS	1,439	1,406	152 ft	83–280 ft
HANCOCK	1,363	1,355	265 ft	110–525 ft
SEQUATCHIE	1,359	1,355	225 ft	102–436 ft
CANNON	1,355	1,301	100 ft	48–285 ft
WARREN	1,256	1,235	103 ft	60–185 ft
DEKALB	1,252	1,187	110 ft	60–230 ft
ANDERSON	1,245	1,220	205 ft	80–500 ft
WASHINGTON	1,242	1,223	350 ft	165–645 ft
DYER	1,206	1,201	100 ft	50–210 ft
OBION	1,071	1,067	130 ft	75–275 ft