Environmental Rules in Otero County, NM (2026)
3 rules for unincorporated Otero County, New Mexico.
Verified from official government sources
Stormwater Management
Every new subdivision in unincorporated Otero County must prove its stormwater will not overwhelm neighboring land. Otero County Code § 200-12.C(4) requires a terrain management plan showing that runoff generated by lot improvements stays on the lot and that total discharge from the subdivision does not increase once construction is done.
Otero County Subdivision Drainage Standards
Some RestrictionsOtero County Code § 200-12.C(4)
A terrain management plan, which: (a) Includes soils types and conditions and surface flow data; (b) Provides that runoff to be generated by improvements on the lots shall be contained on the lots; (c) Provides that there will be no increase in discharge from the subdivision when or after improvements are built; and (d) Contains an evaluation of subsurface drainage adequacy related to septic sy...
Flood Zones
Any development in a special flood hazard area of unincorporated Otero County needs a floodplain development permit before construction, alteration or land use change under Chapter 135, administered by the County's Emergency Manager as floodplain administrator.
Otero County Floodplain Development Permit Rule
Some RestrictionsOtero County Code §§ 135-6, 135-8, 135-9, 135-23
§ 135-6. Lands to which this chapter applies. The chapter shall apply to all areas of special flood hazard within the jurisdiction of Otero County, New Mexico. § 135- ... ... 8. Establishment of development permit. A floodplain development permit shall be required to ensure conformance with the provisions of this chapter. § 135-9. Compliance. No structure or land shall hereafter be located, alt...
Flood Elevation Requirements
New and substantially improved homes in a mapped Otero County flood hazard area must have their lowest floor built at or above the base flood elevation, or 24 inches above the highest adjacent grade if no detailed elevation data exists, certified by a licensed engineer or surveyor.
Otero County Base Flood Elevation Standard
Some RestrictionsOtero County Code § 135-18
§ 135-18. Specific standards. In all areas of special flood hazard where base flood elevation data has been provided as set forth in § 135-7, 135-14H or 135-19C, the following provisions are required: ... Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to or above the base flood elevat...
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