Best well drillers in Ottawa County, Kansas

Not a pay-to-play list: these are the 39 drilling companies with wells on record in Ottawa County, ranked by wells actually drilled here — 1,344 logged wells in the Kansas Geological Survey (KGS) WWC-5 water well records database (records as of 2026-09-22). Every number links back to the public record.

39companies on record

19active since 2022

1,344wells in county record

#	Company	In Ottawa Co. since 2016	All-time in county	Statewide
1	Peterson Mcnett Drilling, Inc.	63	70	1,260
2	Associated Drilling, Inc.	30	56	1,922
3	Geocore Services Inc.	17	44	327
4	Associated Drilling, Inc. #990	17	17	479
5	Flint Hills Drlg #914	17	17	531
6	Pestinger Pump & Water Well Drlg., Inc.	13	247	1,799
7	Rosencrantz-Bemis Enterprises, Inc.	13	34	11,621
8	Williams Drilling Co., Inc.	12	29	224
9	Sargent Drlg #946	12	12	84
10	Sargent Drilling	10	13	168
11	Peterson Drilling, LLC	10	10	76
12	Dudley Wiegand	8	8	75
13	Flint Hills Drilling	4	4	206
14	Hydrotech Well And Pump	4	4	43
15	Rosencrantz-Bemis Ent.	3	3	748
16	Williams Drilling Co., Inc. #480	2	2	26
17	Haldeman Well Drilling & Pump Service	1	15	1,195
18	Peterson Drilling - #1079	1	1	32
19	Peterson Irrigation, Inc.	—	305	3,499
20	Paul Pestinger Pump & Water Well Drlg., Inc.	—	140	679
21	Daryl Cox & Sons, Inc.	—	75	340
22	O.s. Fent Hydraulic Drilling Company	—	67	440
23	Michael Peterson Irrigation, Inc.	—	57	844
24	Geo Cox & Sons, Inc.	—	25	276
25	Kelly's Water Well Service, Inc.	—	19	8,942
26	Pestinger Pump Service	—	16	71
27	Clarke Well And Equipment, Inc.	—	12	4,014
28	Layne-Christensen Co.	—	8	1,076
29	Cox-Beswick Irrigation Service, Inc.	—	8	382
30	Paul W. Benda Drilling	—	7	60
31	Central Kansas Drilling	—	5	881
32	Layne-Western	—	3	351
33	Brant E. Rader Drilling Co.	—	3	262
34	Yellow Jacket Drilling	—	3	144
35	Zinn Water Well Drlg.	—	1	842
36	Kdot	—	1	101
37	Associated Environmental, Inc.	—	1	472
38	Ksu	—	1	92
39	Carl Thoman & Son	—	1	78

Ranked by wells drilled in Ottawa County since 2016 (then all-time), from the full KGS 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 Ottawa County?

Peterson Mcnett Drilling, Inc. has drilled the most Ottawa County wells in the recent record — 63 since 2016, 70 in the county all-time.

How many well drilling companies work in Ottawa County?

39 companies in the KGS record have drilled wells in Ottawa County; 19 of them have drilled somewhere in Kansas since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Ottawa County?

The median drilled depth in Ottawa County is 79 ft, based on 1,394 recorded wells. Depths, water levels, and yields are on the Ottawa County wells page.

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

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