| Gas Station | Regular | Plus | Premium | Diesel | Date Updated | |
| Casey's General Store #2089
185 4th St Ne
Watertown, SD, 57201
| $2.059 | N/A | N/A | N/A | 2008-11-19 14:17:00 | |
| Stone's Truck Stop
3801 9th Ave Se
Watertown, SD, 57201
| $1.999 | $1.849
| $2.199 | N/A | 2008-11-21 23:17:00 | |
| Dutch Boy Car Wash
916 9th Ave Se
Watertown, SD, 57201
| $1.859
| $1.859 | $2.259 | N/A | 2008-11-21 23:17:00 | |
|
| Cowboy Country Store
504 9th Ave Se
Watertown, SD, 57201
| $1.959 | N/A | $1.859 | $2.799 | 2008-11-21 23:17:00 | |
| Convenience Corner
4 10th St Nw
Watertown, SD, 57201
| N/A | $1.859 | N/A | N/A | 2008-11-21 10:17:00 | |
| Casey's General Store #2455
405 10th St Sw
Watertown, SD, 57201
| $1.959 | N/A | N/A | N/A | 2008-11-20 14:17:00 | |
| Casey's General Store
20 19th St Ne
Watertown, SD, 57201
| $2.059 | N/A | N/A | N/A | 2008-11-19 14:17:00 | |
| Steve's Car Care Cen
508 10th St Nw
Watertown, SD, 57201
| $1.999 | $1.859 | N/A | N/A | 2008-11-21 10:17:00 | |
| Cowboy Country Store
305 10th St Nw
Watertown, SD, 57201
| $1.959 | N/A | $1.899 | $2.799 | 2008-11-21 23:17:00 | |
| Pump 'n Pak
825 35th Cir Se
Watertown, SD, 57201
| $1.999 | $1.899 | $2.399 | $2.799 | 2008-11-21 23:17:00 | |
| Cowboy Country Store
1400 4th St Ne
Watertown, SD, 57201
| $1.999 | N/A | $1.899 | $2.799 | 2008-11-21 10:17:00 | |
| Gas N Goodies
152 4th St Ne
Watertown, SD, 57201
| N/A | $1.899 | $1.849
| N/A | 2008-11-21 23:17:00 | |
| Little River City
20 9th Ave Sw
Watertown, SD, 57201
| $1.959 | $1.859 | $2.879 | N/A | 2008-11-20 23:17:00 | |
| Cenex C-Store
1601 9th Ave Se
Watertown, SD, 57201
| $1.999 | $1.859 | N/A | $2.799 | 2008-11-21 23:17:00 | |
| Prairie Stop
1007 9th Ave Sw
Watertown, SD, 57201
| $1.999 | $1.859 | $2.259 | $3.099 | 2008-11-21 07:16:00 | |
| Sioux Valley Coop
220 10th St Nw
Watertown, SD, 57201
| $1.949 | N/A | N/A | $2.879 | 2008-11-21 23:17:00 | |
| Roadside Gas
1500 9th Ave Se
Watertown, SD, 57201
| $1.859 | $1.859 | N/A | $2.779
| 2008-11-21 23:17:00 | |
| Freedom Value Center #44
615 9th Ave Se
Watertown, SD, 57201
| $2.059 | N/A | N/A | N/A | 2008-11-18 23:16:00 | |