Your go-to guide for water well drillers, groundwater, and drought information in st onge, South Dakota. Find reliable experts for new well installations, repairs, or routine maintenance.
Visit the St Onge Water Well Map to view the water, irrigation, and geothermal wells.
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Catchment Area –The area from which rainfall flows into a river, lake, or reservoir.
Learn about more terms in the glossary.
| Geology | |
|---|---|
| Aquifier | Lower Cretaceous aquifers |
| Rock Formation | Sandstone aquifers |
| Well Information* | |
|---|---|
| Well Depth | -- (ft) |
| SWL | -- (ft) |
| Bedrock Depth | -- (ft) |
| Yield | -- (gpm) |
| * Average within 5km | |
| Drought Monitor | |
|---|---|
| November 10, 2026 | D1 |
| November 3, 2026 | D1 |
| October 27, 2026 | D1 |
| October 20, 2026 | D1 |
| October 13, 2026 | D1 |
| October 6, 2026 | D1 |
| September 29, 2026 | D1 |
| September 22, 2026 | D2 |
| Source: US Drought Monitor | |