| Date: | 2015-05-15 |
| Time: | 1324 |
| Geyser: | Oval Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 1m56s |
| Standardized Duration: | 1m 56s |
| Time Entered: | 2015-05-15 22:28:53 |
| Time Updated: | 2015-05-28 00:03:50 |
| Time Uploaded: | 2019-05-13 21:42:54 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Eruption from 1324 + 45s to 1326 + 41s from a nearly full pool. Series of low to moderately low splashes. Pool's water level rose slowly, then quickly just before eruption. Water level lowered after eruption. Last Oval Spring eruption before a Sawmill Complex deep drain. |