Best well drillers in Riley County, Kansas

Not a pay-to-play list: these are the 32 drilling companies with wells on record in Riley County, ranked by wells actually drilled here — 1,662 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.

32companies on record

16active since 2022

1,662wells in county record

#	Company	In Riley Co. since 2016	All-time in county	Statewide
1	Associated Drilling, Inc.	105	190	1,922
2	Haldeman Well Drilling & Pump Service	45	332	1,195
3	Blue Valley Drilling	25	203	1,448
4	Associated Drilling, Inc. #990	25	25	479
5	Flint Hills Drlg #914	23	23	531
6	Flint Hills Drilling	16	17	206
7	Drill-Well, LLC	6	7	130
8	Mel's Pump & Plumbing, Inc.	3	8	72
9	Alexander Pump & Services, Inc.	2	4	46
10	Associated Environmental, Inc.	1	96	472
11	Peterson Mcnett Drilling, Inc.	1	1	1,260
12	Sargent Drlg #946	1	1	84
13	Strader Drilling Co., Inc.	—	316	4,132
14	Craig Haldeman Well Drilling & Pump Service	—	162	739
15	Harold Strader Drilling Company	—	78	380
16	Ray E. Ensley Well Drilling	—	62	63
17	Charles Eldred Harper Drilling Service	—	52	168
18	Daniel H. Hoobler Drilling Co.	—	31	375
19	Daryl Cox & Sons, Inc.	—	7	340
20	Cox-Beswick Irrigation Service, Inc.	—	6	382
21	Clarke Well And Equipment, Inc.	—	5	4,014
22	Layne-Christensen Co.	—	5	1,076
23	Grogan Ebberts Drilling	—	5	233
24	Peterson Irrigation, Inc.	—	4	3,499
25	Kdot	—	4	101
26	Sargent Drilling	—	4	168
27	Ksu	—	4	92
28	Jay C. Woofter Pump & Well, Inc.	—	3	1,862
29	Geo Cox & Sons, Inc.	—	3	276
30	Central Kansas Drilling	—	2	881
31	Harp Well & Pump Service, Inc.	—	1	22,219
32	Woofter Pump & Well, Inc.	—	1	1,939

Ranked by wells drilled in Riley 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 Riley County?

Associated Drilling, Inc. has drilled the most Riley County wells in the recent record — 105 since 2016, 190 in the county all-time.

How many well drilling companies work in Riley County?

32 companies in the KGS record have drilled wells in Riley County; 16 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 Riley County?

The median drilled depth in Riley County is 80 ft, based on 1,766 recorded wells. Depths, water levels, and yields are on the Riley County wells page.

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

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