Kootenai County, ID Environmental Rules: Defensible Space (2026)
Key Facts
- Water source setback
- 50 ft minimum from structures
- Requirement
- source surrounded by defensible space
- Signage
- approved by fire district, IDL, or county
- Site plan
- must mark hydrant/water source locations
- Applies to
- timbered-area major subdivisions only
Summary
Wildfire mitigation plans for timbered subdivisions in unincorporated Kootenai County must identify emergency firefighting water supplies and protect them. Land Use and Development Code section 8.6.901(B)(6) bars locating a water source within fifty feet of a structure, requires the source to be surrounded by defensible space, and requires signage approved by the fire district, the Idaho Department of Lands, or the county.
6. Identification of sufficient and accessible emergency water supplies for firefighting purposes. Water sources cannot be located within fifty feet (50') of a structure, must be surrounded with defensible space, and should be clearly identified with signs approved by the fire district, IDL or Kootenai County.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-10: Code current through: Ord. 633, passed December 23, 2025).
Full Breakdown
206(A)(7). The report must identify sufficient and accessible emergency water supplies, and each water source has to sit at least fifty feet from any structure, be ringed by defensible space so firefighters can reach and use it during a wildfire, and carry signage approved by the fire district with jurisdiction, the Idaho Department of Lands, or Kootenai County. The same section requires an explanation of any modifications or appurtenances, such as pumps or hydrants, needed to use the water source, and if pumps rely on above-ground power lines, the county can require a plan for emergency power generation.
901(A)(9), must additionally mark the location of hydrants and emergency water sources so reviewers can confirm the fifty-foot separation and defensible-space buffer before the plat is approved. A professional forester prepares and certifies the whole plan, and Community Development, together with the fire protection district or the Idaho Department of Lands, has to sign off before a final plat can record. 603, including misdemeanor liability under section 1-4-1 and a civil penalty of up to $1,000 per incident per day, capped at $20,000 per incident.
Violations & Fines
An uncertified or unmaintained defensible-space buffer around a required emergency water source can stop final plat approval under section 8.6.206(A)(7), and it exposes an approved site to general title 8 enforcement: a misdemeanor under section 1-4-1 and a civil penalty of up to $1,000 per incident per day, capped at $20,000 per incident, under section 8.8.603.
Frequently Asked Questions
What counts as defensible space around a water source?
Does this rule apply to my existing home?
Who has to sign off on the water source location?
Sources & Official References
Other rules in Kootenai County
Compare Kootenai County to another location·View the Idaho environmental rules overview
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