Texas Water Well Reports field records · 2026 survey

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Best well drillers in Mclennan County, Texas

Not a pay-to-play list: these are the 35 drilling companies with wells on record in Mclennan County, ranked by wells actually drilled here — 194 logged wells in the Texas Department of Licensing and Regulation Submitted Driller's Reports (SDR) database, administered by the Texas Water Development Board (records as of 2026-07-28). Every number links back to the public record.

35companies on record
26active since 2022
194wells in county record
#CompanyIn Mclennan Co. since 2016All-time in countyStatewide
1 Associated Well Services, Inc. 38 40 2,375
2 Mcneese Drilling Co. 26 33 148
3 Pollock Water Well 12 12 288
4 Waco Drilling Co. 11 16 44
5 Pollock Water Well Drilling & Svc Inc. 5 5 248
6 Texas Southern Drilling 4 4 1,106
7 Brien Water Wells 2 13 1,632
8 Weisinger Incorporated 2 3 913
9 Mcpherson Drilling 1 3 515
10 Thi Water Well 1 3 641
11 Hydro Resources Mid Continent Inc. 1 1 3,320
12 Mark's Water Well Service, Inc. 1 1 3,439
13 Lucy Creek Water Well Service 1 1 530
14 Williams Water Wells LLC 1 1 607
15 Hazelett Drilling 1 1 220
16 Pollock Water Well Drilling 11 587
17 Jones Drilling Inc. 10 611
18 Associated Well Services Inc.- Russell Langford 7 119
19 Siegert Water Wells, Inc. 3 1,118
20 David Cowen 3 392
21 Associated Services 3 1,442
22 Biffle Water Well Service 3 340
23 Harrison Well Service, Inc. 3 216
24 C. Miller Drilling 2 2,618
25 Watts Drilling Co. 2 1,592
26 West Texas Water Well Service 1 3,699
27 Apex Drilling, Inc. 1 4,121
28 Tom Lovelace Water Well Service 1 1,004
29 M/W Drilling Company LLC 1 474
30 Alsay Incorporated 1 436
31 Clearwater Well Service Inc. 1 197
32 Russell Drilling Co., Inc. 1 297
33 Harrison Drilling 1 374
34 Harrison & Sons Well Service, Inc. 1 56
35 Stoner Drilling Inc. 1 28

Ranked by wells drilled in Mclennan County since 2016 (then all-time), from the full TDLR SDR record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and the ranking below them is never reordered.

Who drills the most wells in Mclennan County?

Associated Well Services, Inc. has drilled the most Mclennan County wells in the recent record — 38 since 2016, 40 in the county all-time.

How many well drilling companies work in Mclennan County?

35 companies in the TDLR SDR record have drilled wells in Mclennan County; 26 of them have drilled somewhere in Texas since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Mclennan County?

The median drilled depth in Mclennan County is 1,100 ft, based on 205 recorded wells. Depths, water levels, and yields are on the Mclennan County wells page.

Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Mclennan County wells page.

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