Ada County, Idaho
Average Well Depth in Boise, Idaho
Wells within 5 miles of Boise were drilled to a median depth of 87 ft, and half were between 50 and 150 ft. After drilling, water typically stood about 24 ft below ground. The median well produced 40 gallons per minute. Based on 2,800 Idaho Department of Water Resources well records, updated October 2026.
Historical records within 5 miles of central Boise, 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 Boise getting deeper?
Wells drilled near Boise in the 9990s have a median depth of 95 ft, 39 ft deeper than those from the 1950s (56 ft). Budget toward the upper end of the range.
| Decade drilled | Median depth | Wells |
|---|---|---|
| 1950s | 56 ft | 290 |
| 1960s | 70 ft | 539 |
| 1970s | 90 ft | 681 |
| 1980s | 86 ft | 191 |
| 1990s | 84 ft | 62 |
| 2000s | 94 ft | 574 |
| 2010s | 70 ft | 209 |
| 2020s | 150 ft | 153 |
| 9990s | 95 ft | 99 |
Well drilling contractors near Boise
Get a free quote from a licensed driller matched to Ada County. No obligation.
Before you drill in Boise
- 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: Central District Health sets septic and well setback rules for Ada County.
- City water: inside Boise 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.
Boise well questions
How deep are wells in Boise, Idaho?
Wells within 5 miles of Boise have a median depth of 87 feet, and half were drilled between 50 and 150 feet, based on 2,800 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 Boise?
For a typical 50–150 ft household well with a pump system, a rough planning range is $5,800 to $15,000, 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 Boise?
56% of recorded wells within 5 miles of Boise 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 Boise?
Yes. A licensed Idaho driller files a drilling permit (a start card for a single-family household well) with IDWR before drilling. Ask Central District Health about septic setbacks, and check whether Boise 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 Boise. Updated October 2026.