Ozone 8-hour 4th-highest daily max
Ozone 8-hour 4th-highest daily max in New Mexico statewide reached 0.072 ppm in 2024, 3% above the EPA NAAQS of 0.07 ppm.
80 TRI facilities, 592 public water systems, and 21 Superfund / NPL sites across 14 counties. Statewide TRI releases fell sharply year over year (-58%). Toxic releases concentrations have more than doubled since 2010.
FIPS 35 · population 2,117,522 · 33 counties total
Ozone 8-hour 4th-highest daily max in New Mexico statewide reached 0.072 ppm in 2024, 3% above the EPA NAAQS of 0.07 ppm.
TRI water releases at New Mexico have more than doubled since 2010 (through 2024).
TRI land + off-site releases at New Mexico have more than doubled since 2010 (through 2024).
Total TRI releases at New Mexico have more than doubled since 2010 (through 2024).
A color-shaded map of pollution data. Darker counties report more pounds of toxic chemicals released to the EPA's Toxics Release Inventory (TRI).
Shaded by total reported releases for 2024. Counties without a published page render as “no TRI data”. Red dots mark this state's top emitters.
PM2.5 annual mean (NAAQS 9 µg/m³ (annual)) concentrations are roughly unchanged from 2010.
PM2.5 24-hour 98th percentile (NAAQS 35 µg/m³ (24-hour)) concentrations are up 20% since 2010.
Ozone 8-hour 4th-highest daily max (NAAQS 0.070 ppm (8-hour)) concentrations are roughly unchanged from 2010.
NO₂ annual mean (NAAQS 53 ppb (annual)) concentrations have fallen 24% since 2010.
Single-vintage exposure modeling — EPA cadence is multi-year, so no trend line yet.
Single-vintage exposure modeling — EPA cadence is multi-year, so no trend line yet.
Single-vintage exposure modeling — EPA cadence is multi-year, so no trend line yet.
TRI air releases (5.1 fugitive + 5.2 stack) concentrations are up 10% since 2010.
TRI water releases (5.3) concentrations have more than doubled since 2010.
TRI land + off-site releases concentrations have more than doubled since 2010.
Greenhouse gases (GHGRP large emitters, through 2023) concentrations have fallen 21% since 2010.
| County | Population | Facilities | Total releases | YoY | Top chemical |
|---|---|---|---|---|---|
| Lea CountyFIPS 35025 | 73,103 | 13 | 29.0M lb | -70% | Hydrogen sulfideHealth riskAcutely toxic at high concentrations (paralyzes the olfactory nerve, then respiratory failure); chronic low-level exposure causes eye and respiratory irritation. (NIOSH) |
| Eddy CountyFIPS 35015 | 61,264 | 15 | 12.8M lb | -2% | Hydrogen sulfideHealth riskAcutely toxic at high concentrations (paralyzes the olfactory nerve, then respiratory failure); chronic low-level exposure causes eye and respiratory irritation. (NIOSH) |
| Grant CountyFIPS 35017 | 28,006 | 2 | 2.4M lb | +57% | Lead And Lead CompoundsHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR) |
| Curry CountyFIPS 35009 | 48,327 | 2 | 2.0M lb | -3% | Nitrate compounds (water dissociable; reportable only when in aqueous solution)Health riskDrinking-water nitrate causes methemoglobinemia ('blue-baby syndrome') in infants; EPA MCL is 10 mg/L as N. (EPA) |
| San Juan CountyFIPS 35045 | 121,798 | 8 | 1.8M lb | -2% | Barium And Barium CompoundsHealth riskSoluble barium compounds are toxic if ingested, affecting the heart, kidneys, and nervous system. Insoluble forms (e.g. barium sulfate) are far less toxic. (EPA) |
| Bernalillo CountyFIPS 35001 | 674,692 | 23 | 341k lb | -6% | Lead And Lead CompoundsHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR) |
| Otero CountyFIPS 35035 | 67,850 | 1 | 212k lb | +11% | Nitrate compounds (water dissociable; reportable only when in aqueous solution)Health riskDrinking-water nitrate causes methemoglobinemia ('blue-baby syndrome') in infants; EPA MCL is 10 mg/L as N. (EPA) |
| Valencia CountyFIPS 35061 | 76,613 | 1 | 54k lb | +2762% | Manganese compoundsHealth riskExcess inhalation can cause manganism, a Parkinson-like neurological disorder. (ATSDR) |
| Sandoval CountyFIPS 35043 | 149,460 | 3 | 20k lb | +41% | N-Methyl-2-pyrrolidoneHealth riskReproductive and developmental toxicant; absorbed through skin. (EPA) |
| Los Alamos CountyFIPS 35028 | 19,253 | 1 | 14k lb | -11% | LeadHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR) |
| Facility | City | Top chemical | Total releases | YoY |
|---|---|---|---|---|
| Eunice Gas PlantTarga Resources CORP | Eunice | Hydrogen sulfideHealth riskAcutely toxic at high concentrations (paralyzes the olfactory nerve, then respiratory failure); chronic low-level exposure causes eye and respiratory irritation. (NIOSH) | 12.2M lb | -1% |
| Dagger Draw Gas PlantKinetik Holdings LP | Artesia | Hydrogen sulfideHealth riskAcutely toxic at high concentrations (paralyzes the olfactory nerve, then respiratory failure); chronic low-level exposure causes eye and respiratory irritation. (NIOSH) | 12.2M lb | -3% |
| Maljamar Gas Processing PlantKinetik Holdings LP | Maljamar | Hydrogen sulfideHealth riskAcutely toxic at high concentrations (paralyzes the olfactory nerve, then respiratory failure); chronic low-level exposure causes eye and respiratory irritation. (NIOSH) | 11.2M lb | +115% |
| East Vacuum Liquid Recovery Plant/Co2 PlantDiversified Energy Co PLC | Lovington | Cyclohexane | 4.5M lb | — |
| Chino Mines CO Mine Concentrator-Sxew PlantsFreeport-Mcmoran INC | Vanadium | Lead And Lead CompoundsHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR) | 2.0M lb | +84% |
| Southwest Cheese LLCSouthwest Cheese LLC | Clovis | Nitrate compounds (water dissociable; reportable only when in aqueous solution)Health riskDrinking-water nitrate causes methemoglobinemia ('blue-baby syndrome') in infants; EPA MCL is 10 mg/L as N. (EPA) | 2.0M lb | -3% |
| Four Corners Steam Electric StationPinnacle West Capital CORP | Fruitland | Barium And Barium CompoundsHealth riskSoluble barium compounds are toxic if ingested, affecting the heart, kidneys, and nervous system. Insoluble forms (e.g. barium sulfate) are far less toxic. (EPA) | 1.4M lb | -9% |
| Red Hills Gas PlantTarga Resources CORP | Jal | BenzeneHealth riskIARC Group 1 carcinogen. Long-term inhalation causes leukemia and bone-marrow disorders. (IARC, EPA) | 562k lb | +12% |
| Freeport-Mcmoran Tyrone INC.Freeport-Mcmoran INC | Tyrone | Lead And Lead CompoundsHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR) | 307k lb | -21% |
| Chaco Gas PlantEnterprise Products Operating LLC | Bloomfield | n-HexaneHealth riskPeripheral neurotoxin. Chronic exposure causes numbness and paralysis in the extremities. (ATSDR) | 275k lb | +7% |
Sorted to surface utilities serving the most people that still have an active health-based SDWIS violation on the record. Systems in compliance with no unresolved issues fall to the bottom of the ranking.
| Water system | PWSID | Population served | Health-based · 5yr | Status |
|---|---|---|---|---|
| Santa Fe Water System (City Of) Municipal | NM3505126 | 90,810 | 1 | UNRESOLVED |
| Roswell Municipal Water System Municipal | NM3520203 | 54,025 | 2 | UNRESOLVED |
| Farmington Water System Municipal | NM3510224 | 47,655 | 1 | UNRESOLVED |
| Camino Real Regional Utility Authority Municipal | NM3502507 | 19,466 | 102 | UNRESOLVED |
| Dona Ana Mdwca Municipal | NM3554307 | 17,067 | 29 | UNRESOLVED |
| Lake Section Water Company Private | NM3529207 | 14,619 | 1 | UNRESOLVED |
| Las Vegas (City Of) Municipal | NM3518025 | 14,530 | 143 | UNRESOLVED |
| Lovington Municipal Water Supply Municipal | NM3521813 | 13,539 | 25 | UNRESOLVED |
| Belen Water System Municipal | NM3524932 | 10,830 | 66 | UNRESOLVED |
| City Of Raton/Raton Water Works Municipal | NM3526704 | 9,733 | 10 | UNRESOLVED |
Sites on EPA's Superfund National Priorities List, plus deleted sites whose cleanup objectives EPA has finalized. Federal-facility sites (defense, DOE, etc.) are flagged separately. Each link routes to a per-site page.
| Site | City | Status | Federal facility | Primary contaminant |
|---|---|---|---|---|
| At&Sf (Albuquerque) | South Valley | NPL FINAL | No | 2-Methylnaphthalene |
| Carlisle Village Cleaners | Albuquerque | NPL FINAL | No | — |
| Chevron Questa Mine | Questa | NPL FINAL | No | AluminumHealth riskInhaled aluminum fumes can cause lung scarring (aluminosis); high cumulative exposure has been linked to neurological effects. (NIOSH) |
| Eagle Picher Carefree Battery | Socorro | NPL FINAL | No | 1,1-DichloroetheneHealth riskVinylidene chloride; IARC Group 3 (inadequate evidence in humans) but liver toxic in animal studies; common TCE/PCE biodegradation product. (IARC, EPA) |
| Fruit Avenue Plume | Albuquerque | NPL FINAL | No | TrichloroetheneHealth riskTCE. IARC Group 1 carcinogen — kidney cancer; suspected liver cancer and non-Hodgkin lymphoma. EPA MCL 5 µg/L; common DNAPL groundwater plume contaminant. (IARC, EPA, ATSDR) |
| Grants Chlorinated Solvents | Grants | NPL FINAL | No | BenzeneHealth riskIARC Group 1 carcinogen. Long-term inhalation causes leukemia and bone-marrow disorders. (IARC, EPA) |
| Griggs & Walnut Ground Water Plume | Las Cruces | NPL FINAL | No | TetrachloroetheneHealth riskPCE / 'perc'. IARC Group 2A probable carcinogen; central-nervous-system effects; common dry-cleaning solvent and DNAPL plume contaminant. EPA MCL 5 µg/L. (IARC, EPA) |
| Homestake Mining Co. | Milan | NPL FINAL | No | Radon |
| Jackpile-Paguate Uranium Mine | Laguna Pueblo | NPL FINAL | No | — |
| Lea And West Second Street | Roswell | NPL FINAL | No | — |
Showing the top 10 sites by status priority. 11 additional NPL-relevant sites in New Mexico have entity pages — browse them via the host-county or host-city page rollups.
All New Mexico block groups: 2,117,522 residents. Statewide disparity score for pm2.5 (fine particulate) sits well below the reference (23). Why we surface this →
State-level percentiles are aggregated from block-group EJScreen data. The EJ pattern within the state will be sharper at the county level — drill down for the meaningful spatial detail.
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 23 | well below the reference |
| Ozone | 177 | well above the reference burden |
| Nitrogen dioxide (NO₂) | 104 | near the reference |
| Diesel particulate | 86 | below the reference |
| Toxic releases (RSEI) | 19 | well below the reference |
| Traffic proximity | 64 | below the reference |
| Lead-paint risk (pre-1960 housing) | 69 | below the reference |
| Superfund site proximity | 63 | below the reference |
| RMP-facility proximity | 54 | below the reference |
| Hazardous-waste site proximity | 61 | below the reference |
| Underground storage tanks | 85 | below the reference |
| NPDES wastewater proximity | 88 | below the reference |
| Drinking-water non-compliance | 52 | below the reference |
Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror). EJ disparity scores via the USEPA-clone GitHub mirror after EPA deprecated the public EJScreen tool in 2025; demographics from Census ACS.
Pollution trends and TRI 2024 pages for every tracked county. Alphabetical.
Sources.