Landscaping Rules in Doña Ana County, NM (2026)
2 rules for unincorporated Doña Ana County, New Mexico.
Verified from official government sources
Rainwater Harvesting
Doña Ana County treats rainwater harvesting as a voluntary water-conservation best practice, not a mandate. Subdivision design guidelines at § 350-606B(4) recommend passive systems that use gravity to route stormwater into rain gardens without added tanks or pumps. Where a landscape plan is required under § 350-507, any proposed cisterns, barrels or rain gardens must be shown with dimensions.
Doña Ana County Rainwater Harvesting Rules
Light RestrictionsDoña Ana County Code § 350-606B(4)
(4) Water conservation best management practice. (a) Description. Best practice will utilize passive water harvesting to collect stormwater, which promotes water infiltration, stormwater reduction, less complex erosion control and infrastructure systems, and optimal landscaping. Utilizing harvested stormwater will provide or offset landscape water needs. (b) Method. Best practice will include p...
Native Plants
Developers in unincorporated Doña Ana County can meet landscaping requirements by preserving natural areas with at least 50% native plants, earning a 1:1 credit against the required landscape area under UDC § 350-507C(2).
Native Plant Landscape Credit, Doña Ana County
Some RestrictionsDoña Ana County Code § 350-507C(2)
(2) Preserved areas in a natural condition. (a) Consists of areas in their natural condition including post-developed sites, which have returned to their pre-developed condition, with no less than 50% native plants. (b) An area of natural condition meets the landscape area requirement at a ratio of 1:1.
All Doña Ana County ordinances
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