This page summarizes EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5, 2023–2025) drinking-water monitoring records linked to ZIP codes in New York, 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) | 163 (38.0% of state) | 163 (100.0%) — all detections at/above limit by construction | 0.0088 µg/L | 0.1115 µg/L |
| PFOS | 0.004 µg/L (MCL) | 152 (35.4% of state) | 152 (100.0%) — all detections at/above limit by construction | 0.0129 µg/L | 0.106 µg/L |
| PFHxS | 0.01 µg/L (MCL) | 140 (32.6% of state) | 80 (57.1% of detected) | 0.009 µg/L | 0.0516 µg/L |
| PFNA | 0.01 µg/L (MCL) | 137 (31.9% of state) | 10 (7.3% of detected) | 0.0066 µg/L | 0.0296 µg/L |
| PFBS | 2.0 µg/L (HI reference) | 135 (31.5% of state) | not calculated¹ | 0.0052 µg/L | 0.019 µg/L |
| Lithium | 7.36 µg/L (reference, not a regulatory limit) | 184 (42.9% of state) | 184 (100.0%) at/above reference | 35.8341 µg/L | 921.0 µg/L |
| PFPeA | — (no federal limit) | 176 (41.0% of state) | — | 0.0231 µg/L | 0.1344 µg/L |
| PFBA | — (no federal limit) | 238 (55.5% of state) | — | 0.0098 µg/L | 0.1225 µg/L |
| PFHpA | — (no federal limit) | 125 (29.1% of state) | — | 0.0085 µg/L | 0.0482 µg/L |
| 6:2 FTS | — (no federal limit) | 113 (26.3% of state) | — | 0.0206 µg/L | 0.07 µg/L |
| PFDA | — (no federal limit) | 1 (0.2% of state) | — | 0.0038 µg/L | 0.0038 µg/L |
429 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 |
|---|---|---|
| 10507 | 4 | Yes (1) |
| 10535 | 3 | Yes (1) |
| 10536 | 2 | Yes (1) |
| 10547 | 3 | Yes (1) |
| 10549 | 9 | Yes (3) |
| 10560 | 7 | Yes (3) |
| 10562 | 1 | Yes (1) |
| 10573 | 2 | Yes (1) |
| 10580 | 2 | Yes (1) |
| 10588 | 3 | Yes (1) |
| 10589 | 6 | Yes (2) |
| 10598 | 3 | Yes (1) |
| 10901 | 10 | Yes (2) |
| 10913 | 10 | Yes (2) |
| 10917 | 2 | No |
| 10918 | 3 | Yes (1) |
| 10920 | 10 | Yes (2) |
| 10923 | 10 | Yes (2) |
| 10924 | 1 | No |
| 10927 | 10 | Yes (2) |
| 10930 | 2 | No |
| 10931 | 10 | Yes (2) |
| 10950 | 7 | Yes (2) |
| 10952 | 10 | Yes (2) |
| 10954 | 10 | Yes (2) |
| 10956 | 10 | Yes (2) |
| 10960 | 10 | Yes (2) |
| 10962 | 10 | Yes (2) |
| 10964 | 10 | Yes (2) |
| 10965 | 10 | Yes (2) |
| 10968 | 10 | Yes (2) |
| 10970 | 10 | Yes (2) |
| 10973 | 1 | No |
| 10974 | 10 | Yes (2) |
| 10976 | 10 | Yes (2) |
| 10977 | 10 | Yes (2) |
| 10980 | 10 | Yes (2) |
| 10982 | 10 | Yes (2) |
| 10983 | 10 | Yes (2) |
| 10984 | 10 | Yes (2) |
| 10986 | 10 | Yes (2) |
| 10989 | 10 | Yes (2) |
| 10992 | 1 | No |
| 10993 | 10 | Yes (2) |
| 10994 | 10 | Yes (2) |
| 11001 | 7 | Yes (2) |
| 11003 | 7 | Yes (2) |
| 11010 | 7 | Yes (2) |
| 11020 | 4 | Yes (2) |
| 11021 | 4 | Yes (2) |
| 11023 | 4 | Yes (2) |
| 11030 | 6 | Yes (3) |
| 11040 | 8 | Yes (3) |
| 11042 | 4 | Yes (2) |
| 11050 | 5 | Yes (2) |
| 11501 | 3 | Yes (2) |
| 11507 | 6 | Yes (2) |
| 11509 | 4 | Yes (1) |
| 11510 | 4 | Yes (1) |
| 11516 | 4 | Yes (1) |
| 11518 | 4 | Yes (1) |
| 11530 | 8 | Yes (2) |
| 11542 | 2 | Yes (1) |
| 11550 | 1 | Yes (1) |
| 11552 | 4 | Yes (1) |
| 11553 | 2 | Yes (1) |
| 11554 | 1 | No |
| 11557 | 4 | Yes (1) |
| 11558 | 4 | Yes (1) |
| 11559 | 4 | Yes (1) |
| 11560 | 2 | Yes (1) |
| 11561 | 1 | No |
| 11563 | 4 | Yes (1) |
| 11565 | 4 | Yes (1) |
| 11566 | 1 | No |
| 11572 | 4 | Yes (1) |
| 11575 | 4 | Yes (1) |
| 11576 | 7 | Yes (3) |
| 11577 | 6 | Yes (2) |
| 11580 | 9 | Yes (2) |
| 11581 | 4 | Yes (1) |
| 11590 | 2 | Yes (1) |
| 11596 | 4 | Yes (1) |
| 11598 | 4 | Yes (1) |
| 11701 | 9 | Yes (3) |
| 11702 | 9 | Yes (3) |
| 11703 | 9 | Yes (3) |
| 11704 | 9 | Yes (3) |
| 11705 | 9 | Yes (3) |
| 11706 | 9 | Yes (3) |
| 11710 | 1 | No |
| 11713 | 9 | Yes (3) |
| 11714 | 3 | No |
| 11716 | 9 | Yes (3) |
| 11717 | 9 | Yes (3) |
| 11719 | 9 | Yes (3) |
| 11720 | 9 | Yes (3) |
| 11721 | 9 | Yes (3) |
| 11722 | 9 | Yes (3) |
| 11724 | 9 | Yes (3) |
| 11725 | 9 | Yes (3) |
| 11726 | 9 | Yes (3) |
| 11727 | 9 | Yes (3) |
| 11729 | 9 | Yes (3) |
| 11730 | 9 | Yes (3) |
| 11731 | 9 | Yes (3) |
| 11733 | 9 | Yes (3) |
| 11735 | 9 | Yes (3) |
| 11738 | 9 | Yes (3) |
| 11740 | 3 | No |
| 11741 | 9 | Yes (3) |
| 11742 | 9 | Yes (3) |
| 11743 | 9 | Yes (3) |
| 11746 | 9 | Yes (3) |
| 11747 | 1 | No |
| 11749 | 9 | Yes (3) |
| 11751 | 9 | Yes (3) |
| 11752 | 9 | Yes (3) |
| 11754 | 9 | Yes (3) |
| 11755 | 9 | Yes (3) |
| 11756 | 4 | No |
| 11757 | 9 | Yes (3) |
| 11758 | 1 | No |
| 11763 | 9 | Yes (3) |
| 11764 | 9 | Yes (3) |
| 11766 | 9 | Yes (3) |
| 11767 | 9 | Yes (3) |
| 11768 | 9 | Yes (3) |
| 11769 | 9 | Yes (3) |
| 11770 | 9 | Yes (3) |
| 11771 | 2 | No |
| 11772 | 9 | Yes (3) |
| 11776 | 9 | Yes (3) |
| 11777 | 9 | Yes (3) |
| 11778 | 9 | Yes (3) |
| 11779 | 9 | Yes (3) |
| 11780 | 9 | Yes (3) |
| 11782 | 9 | Yes (3) |
| 11783 | 1 | No |
| 11784 | 9 | Yes (3) |
| 11786 | 9 | Yes (3) |
| 11787 | 9 | Yes (3) |
| 11788 | 9 | Yes (3) |
| 11790 | 9 | Yes (3) |
| 11791 | 4 | No |
| 11792 | 3 | Yes (2) |
| 11793 | 1 | No |
| 11795 | 9 | Yes (3) |
| 11798 | 9 | Yes (3) |
| 11801 | 1 | No |
| 11803 | 3 | No |
| 11804 | 3 | No |
| 11901 | 9 | Yes (3) |
| 11931 | 3 | Yes (2) |
| 11933 | 3 | Yes (2) |
| 11934 | 9 | Yes (3) |
| 11935 | 9 | Yes (3) |
| 11937 | 9 | Yes (3) |
| 11939 | 9 | Yes (3) |
| 11941 | 9 | Yes (3) |
| 11942 | 9 | Yes (3) |
| 11944 | 9 | Yes (3) |
| 11946 | 1 | No |
| 11947 | 3 | Yes (2) |
| 11949 | 9 | Yes (3) |
| 11950 | 9 | Yes (3) |
| 11952 | 9 | Yes (3) |
| 11953 | 9 | Yes (3) |
| 11954 | 9 | Yes (3) |
| 11957 | 9 | Yes (3) |
| 11958 | 9 | Yes (3) |
| 11961 | 9 | Yes (3) |
| 11963 | 9 | Yes (3) |
| 11964 | 9 | Yes (3) |
| 11965 | 9 | Yes (3) |
| 11967 | 9 | Yes (3) |
| 11968 | 9 | Yes (3) |
| 11971 | 9 | Yes (3) |
| 11972 | 3 | Yes (2) |
| 11973 | 1 | No |
| 11976 | 9 | Yes (3) |
| 11978 | 9 | Yes (3) |
| 11980 | 9 | Yes (3) |
| 12008 | 1 | Yes (1) |
| 12019 | 3 | Yes (1) |
| 12027 | 1 | Yes (1) |
| 12054 | 1 | No |
| 12065 | 2 | No |
| 12066 | 1 | No |
| 12067 | 1 | No |
| 12075 | 1 | No |
| 12077 | 1 | No |
| 12078 | 1 | No |
| 12090 | 1 | No |
| 12143 | 1 | No |
| 12148 | 2 | No |
| 12158 | 1 | No |
| 12159 | 1 | No |
| 12186 | 3 | Yes (1) |
| 12188 | 1 | No |
| 12203 | 1 | No |
| 12205 | 1 | Yes (1) |
| 12302 | 5 | Yes (1) |
| 12401 | 3 | Yes (2) |
| 12414 | 3 | Yes (1) |
| 12451 | 1 | No |
| 12513 | 1 | No |
| 12524 | 5 | Yes (2) |
| 12534 | 1 | No |
| 12538 | 3 | Yes (1) |
| 12540 | 1 | No |
| 12549 | 2 | No |
| 12550 | 3 | Yes (1) |
| 12553 | 2 | No |
| 12566 | 1 | No |
| 12586 | 1 | No |
| 12590 | 3 | No |
| 12603 | 3 | Yes (1) |
| 12701 | 1 | Yes (1) |
| 12777 | 1 | No |
| 12779 | 2 | Yes (1) |
| 12789 | 1 | No |
| 12801 | 3 | Yes (1) |
| 12804 | 3 | Yes (1) |
| 12828 | 1 | No |
| 12866 | 2 | No |
| 12883 | 1 | No |
| 12901 | 1 | No |
| 13027 | 3 | No |
| 13028 | 1 | No |
| 13029 | 1 | No |
| 13030 | 1 | No |
| 13031 | 1 | No |
| 13032 | 1 | No |
| 13035 | 1 | No |
| 13036 | 1 | No |
| 13037 | 1 | No |
| 13039 | 1 | No |
| 13041 | 1 | No |
| 13042 | 1 | No |
| 13044 | 1 | No |
| 13045 | 2 | No |
| 13057 | 1 | No |
| 13060 | 1 | No |
| 13065 | 1 | No |
| 13066 | 1 | No |
| 13069 | 1 | No |
| 13074 | 1 | No |
| 13076 | 1 | No |
| 13078 | 1 | No |
| 13080 | 1 | No |
| 13082 | 1 | No |
| 13084 | 1 | No |
| 13088 | 1 | No |
| 13090 | 1 | No |
| 13103 | 1 | No |
| 13104 | 1 | No |
| 13108 | 1 | No |
| 13110 | 1 | No |
| 13112 | 1 | No |
| 13113 | 1 | No |
| 13115 | 1 | No |
| 13116 | 1 | No |
| 13120 | 1 | No |
| 13123 | 1 | No |
| 13126 | 1 | No |
| 13131 | 1 | No |
| 13132 | 1 | No |
| 13135 | 1 | No |
| 13138 | 1 | No |
| 13148 | 1 | No |
| 13152 | 1 | No |
| 13156 | 1 | No |
| 13157 | 1 | No |
| 13159 | 1 | No |
| 13162 | 1 | No |
| 13164 | 1 | No |
| 13165 | 1 | No |
| 13167 | 1 | No |
| 13201 | 1 | No |
| 13204 | 1 | No |
| 13205 | 1 | No |
| 13206 | 1 | No |
| 13207 | 1 | No |
| 13208 | 1 | No |
| 13209 | 1 | No |
| 13210 | 1 | No |
| 13211 | 1 | No |
| 13212 | 1 | No |
| 13214 | 1 | No |
| 13215 | 1 | No |
| 13219 | 1 | No |
| 13220 | 1 | No |
| 13221 | 1 | No |
| 13308 | 1 | No |
| 13316 | 1 | No |
| 13320 | 1 | No |
| 13357 | 1 | No |
| 13401 | 1 | No |
| 13402 | 1 | No |
| 13408 | 1 | No |
| 13421 | 1 | No |
| 13501 | 1 | No |
| 13601 | 4 | Yes (1) |
| 13602 | 5 | No |
| 13733 | 4 | Yes (2) |
| 13760 | 3 | No |
| 13790 | 3 | No |
| 13812 | 1 | No |
| 13815 | 1 | No |
| 13838 | 4 | Yes (2) |
| 13850 | 3 | No |
| 13901 | 4 | Yes (1) |
| 13903 | 5 | Yes (2) |
| 13905 | 3 | No |
| 14001 | 1 | No |
| 14008 | 1 | No |
| 14012 | 1 | No |
| 14020 | 2 | No |
| 14021 | 1 | No |
| 14028 | 1 | No |
| 14036 | 1 | No |
| 14040 | 1 | No |
| 14052 | 1 | No |
| 14054 | 1 | No |
| 14056 | 1 | No |
| 14058 | 1 | No |
| 14092 | 1 | No |
| 14094 | 1 | No |
| 14107 | 1 | No |
| 14108 | 1 | No |
| 14109 | 1 | No |
| 14126 | 1 | No |
| 14131 | 1 | No |
| 14132 | 1 | No |
| 14141 | 1 | No |
| 14143 | 1 | No |
| 14174 | 1 | No |
| 14416 | 1 | No |
| 14418 | 1 | No |
| 14420 | 1 | No |
| 14422 | 1 | No |
| 14423 | 1 | No |
| 14424 | 1 | No |
| 14428 | 1 | No |
| 14429 | 1 | No |
| 14430 | 1 | No |
| 14441 | 1 | No |
| 14445 | 1 | No |
| 14450 | 1 | No |
| 14456 | 1 | No |
| 14464 | 1 | No |
| 14466 | 1 | No |
| 14467 | 1 | No |
| 14468 | 3 | No |
| 14469 | 1 | No |
| 14470 | 2 | No |
| 14471 | 1 | No |
| 14472 | 1 | No |
| 14476 | 1 | No |
| 14477 | 1 | No |
| 14478 | 1 | No |
| 14482 | 1 | No |
| 14485 | 1 | No |
| 14487 | 1 | No |
| 14502 | 1 | No |
| 14506 | 1 | No |
| 14508 | 1 | No |
| 14511 | 1 | No |
| 14514 | 1 | No |
| 14515 | 1 | No |
| 14519 | 1 | No |
| 14521 | 1 | No |
| 14525 | 1 | No |
| 14526 | 1 | No |
| 14527 | 1 | No |
| 14534 | 1 | No |
| 14543 | 1 | No |
| 14546 | 1 | No |
| 14551 | 1 | No |
| 14557 | 1 | No |
| 14559 | 1 | No |
| 14564 | 1 | No |
| 14580 | 1 | No |
| 14585 | 1 | No |
| 14586 | 1 | No |
| 14591 | 1 | No |
| 14602 | 1 | No |
| 14603 | 1 | No |
| 14604 | 1 | No |
| 14605 | 1 | No |
| 14606 | 1 | No |
| 14607 | 1 | No |
| 14608 | 1 | No |
| 14609 | 1 | No |
| 14610 | 1 | No |
| 14611 | 1 | No |
| 14612 | 1 | No |
| 14613 | 1 | No |
| 14614 | 1 | No |
| 14615 | 1 | No |
| 14616 | 1 | No |
| 14617 | 1 | No |
| 14618 | 1 | No |
| 14620 | 1 | No |
| 14621 | 1 | No |
| 14622 | 1 | No |
| 14623 | 1 | No |
| 14624 | 1 | No |
| 14625 | 1 | No |
| 14626 | 1 | No |
| 14653 | 1 | No |
| 14692 | 1 | No |
| 14739 | 1 | No |
| 14748 | 1 | No |
| 14779 | 1 | No |
| 14802 | 1 | No |
| 14810 | 1 | No |
| 14813 | 1 | No |
| 14814 | 1 | No |
| 14821 | 1 | Yes (1) |
| 14827 | 1 | Yes (1) |
| 14830 | 2 | Yes (1) |
| 14850 | 1 | No |
| 14870 | 1 | Yes (1) |
| 14874 | 1 | No |
| 14882 | 1 | No |
| 14892 | 4 | Yes (1) |
| 14895 | 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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