Canyon County, Idaho
Average Well Depth in Nampa, Idaho
Wells within 5 miles of Nampa were drilled to a median depth of 105 ft, and half were between 80 and 170 ft. After drilling, water typically stood about 33 ft below ground. The median well produced 60 gallons per minute. Based on 3,656 Idaho Department of Water Resources well records, updated October 2026.
Historical records within 5 miles of central Nampa, not a guarantee for any property. Only drilling confirms depth, water quality and yield. Disclaimer
How deep is my well going to be?
Depth changes from one street to the next. Check the wells closest to your exact address.
Are wells near Nampa getting deeper?
Wells drilled near Nampa in the 9990s have a median depth of 104 ft, 31 ft shallower than those from the 1950s (135 ft).
| Decade drilled | Median depth | Wells |
|---|---|---|
| 1950s | 135 ft | 49 |
| 1960s | 97 ft | 209 |
| 1970s | 91 ft | 920 |
| 1980s | 98 ft | 267 |
| 1990s | 96 ft | 46 |
| 2000s | 119 ft | 1105 |
| 2010s | 132 ft | 474 |
| 2020s | 126 ft | 516 |
| 9990s | 104 ft | 70 |
Well drilling contractors near Nampa
Get a free quote from a licensed driller matched to Canyon County. No obligation.
Before you drill in Nampa
- Permit: a licensed Idaho driller files the drilling permit (a start card for a single-family home) with the Idaho Department of Water Resources.
- Health district: Southwest District Health sets septic and well setback rules for Canyon County.
- City water: inside Nampa city limits, check whether you're required to connect to city water before planning a well.
- Buying land? The Premium Property Well Report adds nearby water quality, groundwater restrictions and a cost estimate for one property.
Nampa well questions
How deep are wells in Nampa, Idaho?
Wells within 5 miles of Nampa have a median depth of 105 feet, and half were drilled between 80 and 170 feet, based on 3,656 Idaho Department of Water Resources well records. Depth varies by location, so look up your exact address.
How much does it cost to drill a well in Nampa?
For a typical 80–170 ft household well with a pump system, a rough planning range is $6,900 to $16,400, based on Idaho averages of $28–65 per foot to drill, about $8 per foot for PVC casing and about $4,000 for the pump system. Basalt, steel casing or a long trench to the house cost more. Get a written quote from a licensed driller for a real price.
How deep is a shallow well near Nampa?
41% of recorded wells within 5 miles of Nampa are less than 100 feet deep. Shallow wells cost less to drill but are more exposed to surface contamination and seasonal water-level drops.
Do I need a permit to drill a well in Nampa?
Yes. A licensed Idaho driller files a drilling permit (a start card for a single-family household well) with IDWR before drilling. Ask Southwest District Health about septic setbacks, and check whether Nampa requires a city water hookup inside city limits.
Well depth in nearby Idaho cities
Source: Idaho Department of Water Resources well records within 5 miles of central Nampa. Updated October 2026.