Best well drillers in Riverside County, California

Not a pay-to-play list: these are the 202 drilling companies with wells on record in Riverside County, ranked by wells actually drilled here — 23,403 logged wells in the California Department of Water Resources (DWR) Well Completion Reports database (records as of 2026-10-02). Every number links back to the public record.

202companies on record

51active since 2022

23,403wells in county record

#	Company	In Riverside Co. since 2016	All-time in county	Statewide
1	L O Lynch Quality Wells & Pumps Inc.	587	3,180	3,374
2	Heritage Well Service	451	458	528
3	Dechenne Water Well Drilling Inc.	353	1,145	1,204
4	Stehly Brothers Drilling Inc.	207	641	2,204
5	Detray Drilling	132	461	468
6	Fain Drilling & Pump Co. Inc.	71	235	3,030
7	Sebastian Valente	62	62	71
8	Farwest Corrosion Control Company	58	189	2,667
9	A Z C A Drilling & Pump Inc.	49	140	171
10	Southwest Pump & Drilling Inc.	41	165	292
11	Crum Sam Water Well Drilling Inc.	38	217	591
12	Well Tec Services Inc.	29	62	126
13	Jensen Drilling Company	26	64	186
14	Southern California Well Service LLC	24	24	51
15	North American Drilling Company	23	191	695
16	Sixkiller Drilling	23	24	26
17	Palm Springs Pump Inc.	21	104	115
18	J & H Drilling Co. Inc.	21	89	994
19	Active Drilling & Pump Supply	19	259	276
20	Layne Christensen Company	14	247	2,363
21	A B C Liovin Drilling Inc.	8	8	1,282
22	Best Drilling And Pump Inc.	7	19	248
23	Yellow Jacket Drilling Services LLC	6	21	296
24	Cascade Drilling LP	6	6	830
25	Zim Industries Inc. Dba Bakersfield Well & Pump Co.	5	121	1,721
26	Tri-County Drilling Inc.	5	13	227
27	Nor - Cal Pump & Well Drilling Inc.	4	4	250
28	Chambers Choice Drilling	3	3	75
29	Daugherty Pump & Drilling	2	6	122
30	Well Industries Inc.	2	2	559
31	Aguanga Waterwell Services Inc.	1	379	504
32	Beks Acquisition Inc.	1	21	465
33	Bc2 Environmental LLC	1	7	435
34	Chambers D P Drilling	1	5	488
35	Bertram Drilling Inc.	1	4	1,171
36	Water Well Service Inc.	1	2	146
37	Harich Enterprises Company Inc.	1	2	612
38	Wildrose Drilling LLC	1	1	102
39	M & M Well Drilling	1	1	74
40	Mel Meyer	—	3,418	101,127
41	Ivan D Alexander Water Well Drilling	—	1,603	1,617
42	Jack Jones Wells & Pumps	—	896	1,145
43	Jim Mcclain Wells	—	765	768
44	American Drilling	—	596	970
45	Ron Engeldinger Well	—	555	616
46	Coachella Valley Pump & Supply	—	550	660
47	Clearwater Drilling	—	336	351
48	James E Wright, JR	—	315	328
49	Mann Brothers	—	298	326
50	Desert Water Drilling Company	—	270	279
51	Wellmaster Drilling Company	—	236	236
52	Trunnell Wells & Pumps	—	235	384
53	Lynch L O Well Drilling And Supply	—	210	213
54	Benny DI Prima	—	203	205
55	Beylik Drilling & Pump Service	—	192	1,267
56	Mccalla Brothers	—	173	578
57	Badger Drilling Company	—	168	168
58	John H Correll	—	153	158
59	Alexander Dean Water Well Drilling	—	140	145
60	Clifford Hudspeth	—	140	140
61	Cascade Drilling Inc. - California	—	133	3,167
62	3-D Drilling Company	—	129	233
63	L Van Winkle	—	114	115
64	Schroeder Cary Contracting Inc.	—	114	114
65	Haddon Drilling	—	104	105
66	R Glick & Sons Water Wells	—	102	109
67	Conde A B	—	99	99
68	W D C Exploration & Wells	—	94	2,421
69	JC Drilling	—	92	110
70	S & S Water Well Drilling	—	82	143
71	Agri-Cal Pump & Supply	—	80	105
72	Julian Pump	—	72	74
73	R P Seay	—	70	86
74	SO Cal Pump And Well Drilling	—	69	158
75	West Hazmat Drilling Corp	—	66	1,702
76	Moss Roscoe Company	—	60	1,220
77	Chino Valley Water Well Supply Inc.	—	58	77
78	A & B Water Well Drilling	—	57	57
79	Robie Drilling Company	—	56	56
80	Bill Julian Pump	—	54	55
81	Fundin Well Drilling	—	50	394
82	Kirkland Well Service	—	50	184
83	Howard Pump Inc. A California Corporation	—	49	1,650
84	Everett E. Mcbride Dba	—	49	57
85	Beylik Drilling Inc.	—	48	174
86	Peerless Welding & Machine Shop	—	48	63
87	Layne Environmental Services Inc.	—	47	104
88	T. Carmack	—	44	69
89	Hacker's Pump Service	—	44	51
90	Moffitt & Wells	—	43	53
91	Patrick O Fortney	—	42	57
92	Claude E Kelley	—	42	47
93	C D Thompson	—	39	39
94	Cascade Drilling L P	—	38	2,827
95	H-F Drilling, Inc.	—	33	618
96	Murrieta Water Well Drilling Company	—	33	80
97	Anderson G C Drilling & Pump	—	33	53
98	E R Young	—	32	32
99	Acme Drilling Company	—	30	1,439
100	Daniel F Anderson	—	29	30
101	H2o Producers	—	27	33
102	William W Tarbutton	—	27	28
103	L R Hood	—	26	61
104	Rainbow Drilling	—	25	207
105	John H. And Jack A. Correll	—	25	32
106	American Construction And Supply Inc.	—	24	1,697
107	R H Forney	—	24	88
108	Sixkiller Rufus Henry Drilling	—	24	25
109	Gary D Lowe	—	24	25
110	Water Well Supply	—	21	533
111	Carmack & Stephenson	—	21	37
112	Johnson Drilling Co.	—	20	11,872
113	Testamerica Drilling Corp	—	20	378
114	Hiram G Smith	—	20	46
115	Mcgann	—	20	34
116	Modern Drilling	—	20	29
117	J C Water Well Drilling	—	19	52
118	F Lahorgue	—	18	87
119	C. Cruse Drilling	—	17	301
120	Mccalla Bros Pump And Drilling Co.	—	17	229
121	Rockwell Drilling Co.	—	16	244
122	Dell D Beck	—	15	60
123	Mogle Drilling & Pump Company	—	15	53
124	Patrick O Fortney & Son	—	15	46
125	Midway Drilling & Pump Company	—	14	753
126	Garrison Bros	—	14	27
127	Mogle Brothers	—	13	57
128	Fain Drilling Company	—	12	167
129	Charles Nyberg Well Drilling	—	12	55
130	Myers Brothers Well Drilling Inc.	—	10	2,865
131	Rex Anderson Corp	—	10	1,493
132	Bob Beeman Drilling Company	—	10	410
133	Clifford Suffdy	—	10	198
134	Ralph E Anderson	—	10	171
135	Barber-Bridge Drilling Corp Ltd	—	10	64
136	Coe Machine Works	—	9	110
137	Butler Drilling Company	—	8	714
138	Burt Drilling Co.	—	8	438
139	Arrowhead Group	—	8	244
140	Melvin A Mcfadden	—	8	51
141	Farm Pump And Irrigation Company Inc.	—	7	451
142	Cruse Drilling Co.	—	7	341
143	Layne-Western Co. Inc.	—	7	255
144	Randazzo Drilling Services	—	7	202
145	Stang Hydronics Inc.	—	7	56
146	Errol A Smith Drilling	—	7	37
147	Gregg Drilling LLC	—	6	564
148	Curtis Hole Drilling Company	—	6	187
149	Roscoe Moss Company	—	6	130
150	Aqua-Tek	—	6	117
151	Collum Drilling Company	—	6	37
152	Rottman Drilling Co.	—	5	1,331
153	West Coast Drilling	—	5	288
154	Martell Water Systems Inc.	—	4	1,094
155	J & O Well Drilling	—	4	159
156	Bill Belknap	—	4	2,758
157	C C Scott	—	4	75
158	Meridian Drilling & Well Supply	—	4	74
159	A & R Drilling	—	4	60
160	Mclaren Environmental Engineering	—	4	30
161	Gregg Drilling & Testing Inc.	—	3	4,828
162	MC Dougall's Well Drilling Inc.	—	3	1,345
163	Spectrum Exploration Inc.	—	3	307
164	Multi Water Systems	—	3	269
165	M R Peck & Sons	—	3	125
166	Howard Pump Company	—	3	106
167	Warden Drilling Co.	—	3	102
168	W L Watkins	—	3	29
169	Frank's Well Driling	—	2	740
170	Aqua Drilling	—	2	923
171	Western Well Drilling & Service	—	2	181
172	Pierson Drilling	—	2	59
173	Saunders Brothers	—	2	44
174	George Putman	—	2	40
175	Shipps For Water Well Drilling	—	2	33
176	Miller Drilling Co.	—	1	1,778
177	Consolidated Testing Laboratories Inc.	—	1	1,406
178	Signal Drilling Company	—	1	8,301
179	Boart Longyear Company	—	1	172
180	Randall N Wallis	—	1	531
181	Myers Reverse, Inc.	—	1	2,389
182	Starr Drilling And Pump Co.	—	1	875
183	Rauch Drilling Company Inc.	—	1	520
184	Ike's Pump & Drilling Inc.	—	1	300
185	B & J Drilling Company	—	1	282
186	Datum Exploration Inc.	—	1	223
187	Redfeairn R L Drilling	—	1	195
188	Van Norman Well Drilling	—	1	194
189	Clark Albert M	—	1	181
190	Golden Empire Drilling	—	1	168
191	Harich Construction	—	1	122
192	Hugh M Harris Drilling Company	—	1	105
193	Beale R B Inc.	—	1	105
194	Leroy Tyler	—	1	100
195	Klein Knight Drlg Co.	—	1	72
196	Pioneer Drilling Inc.	—	1	61
197	Errin A Smith Drilling	—	1	54
198	ED Owens & Son Drilling Co.	—	1	48
199	Geoloop Drilling/Tom Moreland	—	1	32
200	Keeler Drlg Co.	—	1	30
201	U S Geological Survey	—	1	30
202	Castlio Drilling Co.	—	1	29

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

L O Lynch Quality Wells & Pumps Inc. has drilled the most Riverside County wells in the recent record — 587 since 2016, 3,180 in the county all-time.

How many well drilling companies work in Riverside County?

202 companies in the DWR record have drilled wells in Riverside County; 51 of them have drilled somewhere in California since 2022. Smaller operators below the record threshold may also serve the area.

How deep is a typical well in Riverside County?

The median drilled depth in Riverside County is 300 ft, based on 31,137 recorded wells. Depths, water levels, and yields are on the Riverside County wells page.

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

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