Winnebago County, IL oil and gas wells
180 wells: 0 active, 2 plugged, run by 27 operators.
Figures from the Illinois State Geological Survey, updated 2026-10-17.
Top operators in Winnebago
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Allen Ice Cream | 12-201-00247 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Anderson C | 12-201-00023 | Status not reported | Unknown | McMan, Allan |
| Anderson, R. 203-WB | 12-201-00706 | Status not reported | Service | Central IL. Electric |
| Arnold Mrs | 12-201-00077 | Status not reported | Unknown | Millis P E |
| Aspline | 12-201-00578 | Status not reported | Unknown | Schmalz Kenneth |
| Barrett E A | 12-201-00078 | Status not reported | Unknown | Millis P E |
| Birch Kenneth | 12-201-00621 | Status not reported | Unknown | — |
| Black Charles | 12-201-00394 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Brunning 215 | 12-201-02453 | Status not reported | Service | Northern Illinois Gas Co. |
| Comly 211-WB | 12-201-00793 | Plugged | Service | Central IL. Electric |
| Eckburg 303-WB | 12-201-00792 | Status not reported | Service | Central IL. Electric |
| Eckburg 209-WB | 12-201-00794 | Status not reported | Service | Central IL. Electric |
| Ekberg Material Inc. CH-1 | 12-201-32892 | Status not reported | Other | Testing Service Corp. |
| First Baptist Church | 12-201-00004 | Status not reported | Unknown | Layne Western Co., Inc. |
| Grams & Berg Construction | 12-201-25283 | Status not reported | Unknown | Livingston, Lowell |
| Gustafson 601-WB | 12-201-00727 | Status not reported | Service | Central IL. Electric |
| Gustafson 205-WB | 12-201-00759 | Status not reported | Injection | Central IL. Electric |
| Gustafson 206-WB | 12-201-00760 | Status not reported | Injection | Central IL. Electric |
| Gustafson 501 | 12-201-00787 | Status not reported | Service | Central IL Electric |
| Gustafson 304-WB | 12-201-00819 | Status not reported | Service | Central IL. Electric |
| Gustafson 213 | 12-201-02451 | Status not reported | Storage | Northern Illinois Gas Co. |
| Gustafson 220 | 12-201-02692 | Status not reported | Storage | Northern Illinois Gas Co. |
| Gustafson 223 | 12-201-02693 | Status not reported | Storage | Northern Illinois Gas Co. |
| Hall Roy | 12-201-00136 | Status not reported | Unknown | Dougherty Bros |
| Harlem Hills Country | 12-201-00325 | Status not reported | Unknown | Dickson Earl |
| Hill, Marie | 12-201-32551 | Status not reported | Other | Illinois State Geological Survey |
| Home Laundry Co | 12-201-00306 | Status not reported | Unknown | Varner C W |
| Hutchins Emma | 12-201-00385 | Status not reported | Unknown | Dougherty Bros |
| ISGS-Winn | 12-201-25652 | Status not reported | Other | Raymond Int'l., Inc. |
| ISGS-Winn | 12-201-25653 | Status not reported | Other | Raymond Int'l., Inc. |
| ISGS-Winn | 12-201-25657 | Status not reported | Other | Raymond Int'l., Inc. |
| ISGS-Winn | 12-201-25659 | Status not reported | Other | Raymond Int'l., Inc. |
| Koch A I | 12-201-00134 | Status not reported | Unknown | Dougherty B J |
| Mattison Steel | 12-201-00308 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| McGregor Filling Sta | 12-201-00079 | Status not reported | Unknown | Millis P E |
| Moth 208-WB | 12-201-00765 | Status not reported | Service | Central IL. Electric |
| National Lock Co | 12-201-00309 | Status not reported | Unknown | Sword Bros |
| Neely WB-210 | 12-201-00820 | Status not reported | Service | Central IL. Electric |
| Newberg Carl | 12-201-00022 | Status not reported | Unknown | McMann, Allan |
| Ottoson 302-WB | 12-201-00761 | Status not reported | Service | Central IL. Electric |
| Ottoson 225 | 12-201-02694 | Status not reported | Storage | Northern Illinois Gas Co. |
| Peterson 201-WB | 12-201-00704 | Status not reported | Storage | Central IL. Electric |
| Peterson 214 | 12-201-02452 | Status not reported | Storage | Northern Illinois Gas Co. |
| Peterson 219 | 12-201-02691 | Status not reported | Storage | Northern Illinois Gas Co. |
| Peterson 216 | 12-201-02695 | Status not reported | Storage | Northern Illinois Gas Co. |
| Peterson 217 | 12-201-02696 | Status not reported | Storage | Northern Illinois Gas Co. |
| Peterson 218 | 12-201-02697 | Status not reported | Storage | Northern Illinois Gas Co. |
| Redline B T | 12-201-00006 | Status not reported | Unknown | McMann, Allan |
| Reubsamen Robt | 12-201-00243 | Status not reported | Unknown | Dougherty |
| Rockford City Well 2C | 12-201-00253 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford City Well 3C | 12-201-00254 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford City Well 4C | 12-201-00255 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford City Well | 12-201-00263 | Status not reported | Unknown | Varner Well Drilling |
| Rockford City Well 0001 | 12-201-00419 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford Fiber Cont | 12-201-00276 | Status not reported | Unknown | Null Bruce |
| Rockford Paper Box C | 12-201-00274 | Status not reported | Unknown | Little W B |
| Rockford Water Works 7-C | 12-201-00314 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford Well 1C | 12-201-00252 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rockford Well 4-B | 12-201-00261 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Rogers Ready Mix & Materials | 12-201-32185 | Status not reported | Other | Raimonde Drilling Corp. |
| Roxo Ice Cream | 12-201-00259 | Status not reported | Unknown | Alco Oil & Gas Corp. |
| Sandel | 12-201-00583 | Status not reported | Unknown | Schmalz Kenneth |
| Schoel, Robert 18877 | 12-201-25249 | Status not reported | Unknown | Livingston, Lowell |
| Scott Charlie | 12-201-00025 | Status not reported | Unknown | McMann, Allan |
| Seele 1 | 12-201-00646 | Status not reported | Unknown | Seele, Ivan, Etal |
| Seele 1 | 12-201-00646-0100 | Status not reported | Unknown | Seele, Ivan, Etal |
| Seele 115266 | 12-201-00646-0200 | Status not reported | Unknown | — |
| Seele 1 | 12-201-00646-0300 | Status not reported | Unknown | Seele, Ivan, Etal |
| Seele 1 | 12-201-00646-0400 | Plugged | Dry hole | Seele, Ivan, Etal |
| Smith, H. WB-204 | 12-201-00702 | Status not reported | Service | Central IL. Electric |
| State of Illinois | 12-201-25654 | Status not reported | Other | Raymond Int'l., Inc. |
| Swenson | 12-201-00041 | Status not reported | Unknown | Peterson |
| Tipton Farm DS-8 | 12-201-31023 | Status not reported | Other | U. S. Geological Survey |
| Tipton Farm T6D | 12-201-31024 | Status not reported | Other | U. S. Geological Survey |
| Voth 207-WB | 12-201-00758 | Status not reported | Service | Central IL. Electric |
| Winnebago School | 12-201-00014 | Status not reported | Unknown | Millis P E |
| Wright WB-401 | 12-201-00703 | Status not reported | Service | Central IL. Electric |
| Wright WB-202 | 12-201-00705 | Status not reported | Storage | Central IL. Electric |
| Wright WB-301 | 12-201-00707 | Status not reported | Service | Central IL. Electric |
| Wright 212 | 12-201-02450 | Status not reported | Storage | Northern Illinois Gas Co. |