New Mexico Water Restrictions 2026
Published: April 23, 2026
Sources: New Mexico Office of the State Engineer (OSE), ABCWUA (Albuquerque Water), Santa Fe Water Division, NM Drought Monitor
New Mexico is the most water-scarce state in the United States on a per-capita basis. Statewide annual rainfall averages just 14 inches; Albuquerque receives only 9.5 inches, among the lowest for any major US metro. The Rio Grande Compact allocates water between Colorado, New Mexico, and Texas, and New Mexico has repeatedly failed to meet its delivery obligations to Texas — triggering federal Supreme Court intervention in recent years.
Albuquerque maintains mandatory year-round outdoor watering restrictions since 2013, cutting per-capita water use from 250 gallons/day to 118 gallons/day — one of the steepest conservation gains any US city has achieved. The city's Bernalillo County Water Utility Authority (ABCWUA) operates a permanent Stage 1 framework with 1-day-per-week watering assigned by address digit. Santa Fe operates permanent Stage 1 restrictions since 2002, with the lowest per-capita water use (65 gallons/day) of any large southwestern city.
HOA xeriscape protection is guaranteed under NM Stat §47-16-19. HOAs cannot prohibit desert-adapted landscaping, cannot require grass-based yards, and cannot fine for drought-compliant brown lawns. These protections apply year-round, not only during emergency droughts.
How New Mexico Manages Drought
The New Mexico Office of the State Engineer (OSE) administers all surface water and groundwater rights in the state, processes permit applications, and enforces Rio Grande Compact deliveries. OSE issues drought declarations and can order curtailments of junior water rights when senior rights are not being met.
The Albuquerque Bernalillo County Water Utility Authority (ABCWUA) is the state's largest water utility, serving 650,000 residents across Albuquerque, Rio Rancho, and unincorporated Bernalillo County. ABCWUA operates the San Juan-Chama Drinking Water Project (imports Colorado River basin water via Heron Reservoir and Abiquiu Reservoir) plus local groundwater wells. Its permanent Stage 1 ordinance is the most comprehensive year-round conservation framework of any US city.
The City of Santa Fe Water Division serves 85,000 residents through a combination of Rio Grande surface diversions (via the Buckman Direct Diversion and San Juan-Chama project), Santa Fe River flows, and local wells. Santa Fe's permanent Stage 1 has been active since 2002 — the longest continuous mandatory conservation order of any US city.
New Mexico Conservation Framework
Albuquerque Stage 1 (permanent since 2013): 1 day per week by address digit. Addresses ending 0–3: Monday. 4–6: Wednesday. 7–9: Friday. No outdoor irrigation between 11 AM and 7 PM year-round. Maximum 1 inch of total water per week including rainfall. Stage 2 would cut to every-other-week watering; Stage 3 would ban all outdoor irrigation except hand watering.
Santa Fe Stage 1 (permanent since 2002): 2 days per week. Odd addresses Mon/Thu; even Tue/Fri. No irrigation Wednesday, Saturday, or Sunday. No outdoor irrigation 10 AM – 6 PM year-round. Stage 2 activates if Rio Grande flows drop below 150 cfs — this would cut to 1 day/week and impose household gallon caps.
Hand watering is exempt in both Albuquerque and Santa Fe — a shut-off nozzle hose can be used any day during allowed hours. Drip irrigation is exempt from day-of-week limits year-round. This encourages residents to shift ornamental trees, shrubs, and vegetable beds to drip systems.
New lawn installations are discouraged under both cities' permanent rules. ABCWUA and Santa Fe both require variance review for new turf installations over 500 sq ft. Xeriscape replacement rebates pay $2/sq ft up to $3,000 per household in both cities.
New Mexico Regional Breakdown
Albuquerque Metro
Albuquerque, Rio Rancho, Corrales, Los Lunas — 900,000 residents. ABCWUA serves the core metro with permanent Stage 1. Santa Fe Group aquifer decline is the long-term threat; San Juan-Chama imports offset 45% of pumping.
Santa Fe & Northern NM
Santa Fe, Los Alamos, Taos — 140,000 residents. Rio Grande and Santa Fe River surface water. Permanent Stage 1 active since 2002. Lowest per-capita use in the Southwest (65 gal/day).
Las Cruces & Southern NM
Las Cruces, Deming, Alamogordo — 300,000 residents. Rio Grande compact deliveries to Texas are a chronic legal battle. Pecos and Tularosa basin groundwater under pressure.
Eastern NM (Clovis, Roswell, Hobbs)
Ogallala Aquifer region — same depletion story as west Texas and Kansas. Clovis faces the most severe aquifer decline in the state; Hobbs benefits from oil-industry produced water treatment investment.
New Mexico Lawn Grass and the 2026 Drought
New Mexico lawns are a minority of landscape area — xeriscape is the dominant residential landscape pattern across both Albuquerque and Santa Fe. When homeowners do maintain turf, the two viable grasses are Buffalo Grass and Blue Grama — both native prairie grasses that survive the 1-inch-per-week cap and go golden-dormant by August naturally.
Bermuda grass works in Albuquerque (USDA Zone 7a) and southern NM but is stressed at Santa Fe's 7,200-ft elevation. Kentucky Bluegrass and other cool-season grasses require significantly more water than the permanent 1-inch/week cap permits and are not recommended.
Xeriscape is the long-term answer. ABCWUA and Santa Fe both offer $2/sq ft rebates for turf replacement with desert-adapted native plantings: Penstemon, Apache Plume, Chamisa, Red Yucca, Desert Spoon, Blue Grama (as ornamental rather than turf), Chocolate Flower. A typical front-yard conversion qualifies for $1,500–$3,000 in rebate funding.
Rainwater harvesting is explicitly legal and encouraged. New Mexico allows unlimited residential rain barrels and passive earthworks (swales, berms, check dams) without a permit. Albuquerque's annual 9.5 inches of rainfall falls concentrated in July–September monsoon storms — capturing even a fraction provides substantial landscape water.
Drought-Survival Watering by Grass Type
| Grass | Survival Watering | Mowing Height | Notes |
|---|---|---|---|
| Buffalo Grass | 0.5 in every 10–14 days | 3 inches | Native; goes dormant in heat; ideal for NM |
| Blue Grama | 0.5 in every 10–14 days | 2–3 inches | Native prairie grass; golden dormancy fine |
| Bermuda (ABQ only) | 0.5 in every 7 days | 1–1.5 inches | Works in ABQ; stressed at SF elevation |
| Tall Fescue | Not recommended | N/A | Needs more water than permanent cap allows |
| Xeriscape | Drip post-establishment | N/A | The recommended default for NM landscapes |
HOA Protection During Drought
New Mexico Statute §47-16-19 prohibits HOAs from banning xeriscape landscaping or penalizing homeowners for drought-compliant brown lawns. This protection applies year-round in New Mexico because ABCWUA and Santa Fe both operate permanent Stage 1 conservation ordinances — the qualifying trigger is always active.
New Mexico HOAs cannot require water-intensive turf, cannot prohibit decomposed-granite mulch or gravel ground cover, and cannot block conversion of lawns to native plantings. The statute explicitly supersedes any CC&R provision requiring specific lawn aesthetics.
If your HOA sends a violation letter for a brown lawn or xeriscape yard, respond in writing citing NM Stat §47-16-19 and attach a copy of your city's permanent Stage 1 order. File a complaint with the New Mexico Regulation and Licensing Department if the HOA persists.
New Mexico Cities — Local Water Restriction Guides
Key Contacts & Resources
Frequently Asked Questions
Why does New Mexico have permanent year-round water restrictions?
New Mexico is the most water-scarce state per capita. Albuquerque receives only 9.5 inches of annual rainfall and sits atop an aquifer that has declined over 150 feet since 1975. Santa Fe has the lowest per-capita use of any large southwestern city (65 gal/day) through permanent Stage 1. These aren't temporary drought responses — they are baseline year-round rules designed to match demand to the state's permanent arid climate.
What day can I water my lawn in Albuquerque?
1 day per week based on your last address digit. Addresses ending 0–3: Monday. 4–6: Wednesday. 7–9: Friday. No outdoor irrigation between 11 AM and 7 PM year-round. Maximum 1 inch of total water per week including rainfall. Sprinkler rules apply April 1 through October 31; drip and hand watering are allowed year-round.
What day can I water my lawn in Santa Fe?
2 days per week based on address. Odd addresses water Monday and Thursday. Even addresses water Tuesday and Friday. No irrigation Wednesday, Saturday, or Sunday. No outdoor irrigation 10 AM – 6 PM year-round. Stage 2 (triggered if Rio Grande flows drop below 150 cfs) would cut to 1 day/week.
Can my NM HOA fine me for xeriscape or a brown lawn?
No. New Mexico Statute §47-16-19 prohibits HOAs from banning xeriscape or penalizing homeowners for drought-compliant brown lawns. Because both Albuquerque and Santa Fe operate permanent Stage 1 conservation, the protection is active year-round. HOAs cannot require grass-based yards or block conversion to native plantings.
What xeriscape rebates are available in New Mexico?
ABCWUA pays $2/sq ft for turf-to-xeriscape conversion up to $3,000 per household. Santa Fe Water pays $2/sq ft up to $3,000. Both programs require pre-approval before removing turf. Additional rebates cover smart irrigation controllers ($50–$100), rain barrels (free distribution program), and high-efficiency fixtures. Apply online at abcwua.org or santafenm.gov before starting conversion.