This page summarizes EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5, 2023–2025) drinking-water monitoring records linked to ZIP codes in New Mexico, as processed for the PFAS Estimator national dataset. Data updated: July 2026.
| Compound | Applicable threshold | ZIP codes detected | At/above threshold | Mean detected | Maximum detected |
|---|---|---|---|---|---|
| PFOA | 0.004 µg/L (MCL) | 3 (2.9% of state) | 3 (100.0%) — all detections at/above limit by construction | 0.006 µg/L | 0.0074 µg/L |
| PFOS | 0.004 µg/L (MCL) | 2 (2.0% of state) | 2 (100.0%) — all detections at/above limit by construction | 0.0054 µg/L | 0.0067 µg/L |
| PFHxS | 0.01 µg/L (MCL) | 1 (1.0% of state) | 1 (100.0% of detected) | 0.0177 µg/L | 0.0177 µg/L |
| PFBS | 2.0 µg/L (HI reference) | 9 (8.8% of state) | not calculated¹ | 0.0228 µg/L | 0.0305 µg/L |
| Lithium | 7.36 µg/L (reference, not a regulatory limit) | 102 (100.0% of state) | 102 (100.0%) at/above reference | 95.6667 µg/L | 540.0 µg/L |
| PFPeA | — (no federal limit) | 3 (2.9% of state) | — | 0.0248 µg/L | 0.042 µg/L |
| PFBA | — (no federal limit) | 4 (3.9% of state) | — | 0.0095 µg/L | 0.02 µg/L |
| PFHpA | — (no federal limit) | 3 (2.9% of state) | — | 0.0054 µg/L | 0.006 µg/L |
| 6:2 FTS | — (no federal limit) | 1 (1.0% of state) | — | 0.016 µg/L | 0.016 µg/L |
102 ZIP codes with at least one recorded PFAS detection. Click a ZIP code to view its full compound-level results.
| ZIP code | Compounds detected | At/above threshold |
|---|---|---|
| 87001 | 1 | No |
| 87004 | 1 | No |
| 87015 | 1 | No |
| 87021 | 1 | No |
| 87022 | 1 | No |
| 87026 | 1 | No |
| 87031 | 1 | No |
| 87035 | 1 | No |
| 87042 | 1 | No |
| 87043 | 1 | No |
| 87047 | 1 | No |
| 87048 | 1 | No |
| 87052 | 1 | No |
| 87059 | 1 | No |
| 87068 | 1 | No |
| 87102 | 1 | No |
| 87104 | 1 | No |
| 87105 | 1 | No |
| 87106 | 1 | No |
| 87107 | 1 | No |
| 87108 | 1 | No |
| 87109 | 1 | No |
| 87110 | 1 | No |
| 87111 | 1 | No |
| 87112 | 1 | No |
| 87113 | 1 | No |
| 87114 | 1 | No |
| 87116 | 1 | No |
| 87117 | 1 | No |
| 87120 | 1 | No |
| 87121 | 1 | No |
| 87122 | 1 | No |
| 87123 | 1 | No |
| 87124 | 1 | No |
| 87131 | 1 | No |
| 87144 | 1 | No |
| 87301 | 1 | No |
| 87327 | 1 | No |
| 87401 | 1 | No |
| 87402 | 1 | No |
| 87410 | 1 | No |
| 87413 | 1 | No |
| 87416 | 1 | No |
| 87417 | 1 | No |
| 87421 | 1 | No |
| 87499 | 1 | No |
| 87501 | 1 | No |
| 87502 | 1 | No |
| 87503 | 1 | No |
| 87504 | 1 | No |
| 87505 | 1 | No |
| 87506 | 1 | No |
| 87507 | 1 | No |
| 87508 | 2 | No |
| 87509 | 1 | No |
| 87532 | 1 | No |
| 87539 | 1 | No |
| 87544 | 1 | No |
| 87547 | 1 | No |
| 87571 | 1 | No |
| 87592 | 1 | No |
| 87594 | 1 | No |
| 87710 | 1 | No |
| 87740 | 1 | No |
| 87801 | 1 | No |
| 87935 | 2 | Yes (1) |
| 88001 | 1 | No |
| 88003 | 1 | No |
| 88005 | 1 | No |
| 88007 | 3 | Yes (1) |
| 88011 | 1 | No |
| 88012 | 1 | No |
| 88021 | 2 | No |
| 88024 | 2 | No |
| 88030 | 1 | No |
| 88044 | 2 | No |
| 88047 | 2 | No |
| 88048 | 2 | No |
| 88061 | 1 | No |
| 88062 | 1 | No |
| 88063 | 1 | No |
| 88072 | 2 | No |
| 88081 | 1 | No |
| 88101 | 2 | No |
| 88103 | 6 | Yes (1) |
| 88130 | 1 | No |
| 88201 | 1 | No |
| 88202 | 1 | No |
| 88203 | 1 | No |
| 88210 | 1 | No |
| 88211 | 1 | No |
| 88220 | 1 | No |
| 88231 | 1 | No |
| 88240 | 5 | Yes (1) |
| 88242 | 5 | Yes (1) |
| 88260 | 1 | No |
| 88310 | 2 | Yes (1) |
| 88312 | 1 | No |
| 88330 | 1 | No |
| 88345 | 2 | No |
| 88401 | 1 | No |
| 88415 | 1 | No |
Results are based on EPA UCMR 5 monitoring data (2023–2025), linked to ZIP codes via Public Water System Identifier. Non-detections are not present in this analytic dataset. For each compound and ZIP code, the highest observed concentration across the monitoring period is retained; this characterizes the upper bound of observed drinking-water concentrations, not a long-term average or an individual exposure estimate. A single water system may serve multiple ZIP codes, so the same monitoring record can appear for more than one ZIP in this table. ZIP-code assignment reflects water-system service area geography and does not establish individual household exposure. Private wells are not represented unless served by a monitored public water system. PFOA and PFOS are reported by detection prevalence because the UCMR 5 reporting limit equals their federal MCL. A full PFBS Hazard Index is not calculated because co-located, same-event multi-compound readings are not retained in this dataset. Lithium has no federal Maximum Contaminant Level; 7.36 µg/L is an evidence-based reference concentration from a prospective cohort study, not a regulatory threshold.
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