EPA UCMR 5 results for 45 public water systems. 2 had at least one PFAS detected; 0 had a highest single PFOA or PFOS result above 4.0 ppt.
UCMR 5 is a one-time EPA monitoring program, not a compliance determination. The values shown are the highest single sample result at any of the system's sampling points; one result above 4.0 ppt does not mean the system violates the PFAS rule, which is judged on running annual averages under separate compliance monitoring. Results describe the public water system, not an individual home.
| Water system | Serves | PFOA max (ppt) | PFOS max (ppt) | PFAS detected |
|---|---|---|---|---|
| Aliamanu HI0000337 | Salt Lake | ND | ND | 0 |
| Barbers Point HI0000355 | Waipahu-Ewa-Waianae | ND | ND | 0 |
| Fort Shafter HI0000341 | Honolulu County | ND | ND | 0 |
| HNL-Windward-Pearl Harbor HI0000331 | Honolulu-Windward-Pearlharbor | ND | ND | 1 |
| Haina HI0000161 | Haina | ND | ND | 0 |
| Hanapepe-Eleele HI0000404 | Hanapepe-Eleele (Dow) | ND | ND | 0 |
| Hawaii Volcanoes Nat.Park HI0000146 | Hvnp (Dho) | ND | ND | 0 |
| Hawaiian Beaches HI0000117 | Hawaiian Shores Dho | ND | ND | 0 |
| Hilo HI0000101 | Hilo | ND | ND | 0 |
| Joint Base Pearl Harbor-Hickam HI0000360 | Pearl Harbor | ND | ND | 0 |
| Kaanapali HI0000205 | Kaanapali (Dho) | ND | ND | 0 |
| Kalaheo-Koloa HI0000434 | Kalaheo | ND | ND | 0 |
| Kamehameha Schools HI0000319 | Kapalama | ND | ND | 0 |
| Kapalua HI0000204 | Kapalua (Dho) | ND | ND | 0 |
| Kaunakakai HI0000234 | Kaunakakai | ND | ND | 0 |
| Keanae HI0000219 | Keanae (Dws) | ND | ND | 0 |
| Kekaha-Waimea HI0000406 | Kekaha (Dow) | ND | ND | 0 |
| Kilauea HI0000407 | Kilauea (Dow) | ND | ND | 0 |
| Kohala Ranch Water Co. HI0000151 | Kohala Joint Venture | ND | ND | 0 |
| Lahaina HI0000214 | Lahaina | ND | ND | 0 |
| Laie Water Company HI0000325 | Laie | ND | ND | 0 |
| Lihue-Kapaa HI0000400 | Lihue-Kapaa | ND | ND | 0 |
| Lower Kula HI0000247 | Kula | ND | ND | 0 |
| Makawao HI0000213 | Makawao | ND | ND | 0 |
| Marine Corps Base Hawaii HI0000356 | Kaneohe | ND | ND | 0 |
| Mililani HI0000367 | Mililani Bws | ND | ND | 0 |
| Nctams Eastpac HI0000357 | Wahiawa | ND | ND | 0 |
| North Kohala HI0000129 | North Kohala | ND | ND | 0 |
| North Kona HI0000131 | North Kona | ND | ND | 0 |
| Olaa-Mountain View HI0000112 | Olaa-Mt.View | ND | ND | 0 |
| Princeville HI0000428 | Princeville (Dho) | ND | ND | 0 |
| Punahou School HI0000324 | Manoa | ND | ND | 0 |
| Schofield Barracks HI0000345 | Honolulu County | ND | ND | 0 |
| South Kohala HI0000130 | South Kohala | ND | ND | 0 |
| South Kona HI0000132 | South Kona | ND | ND | 0 |
| The Queen's Medical Center HI0000312 | Downtown Honolulu | ND | ND | 0 |
| Tripler Army Medical CNTR HI0000346 | Moanalua | ND | ND | 0 |
| Upper Kula HI0000215 | Kula | ND | ND | 0 |
| Wahiawa HI0000333 | Honolulu County | ND | ND | 0 |
| Waialee-Sunset Beach HI0000366 | Sunset Beach | ND | ND | 0 |
| Waialua HI0000332 | Waialua-Haleiwa | ND | ND | 0 |
| Waikoloa HI0000135 | Waikoloa (Dho) | ND | ND | 0 |
| Wailuku HI0000212 | Wailuku | ND | ND | 0 |
| Waipahu-Ewa-Waianae HI0000335 | Waipahu-Ewa-Waianae | ND | ND | 1 |
| Waipio Heights HI0000334 | Waipio | ND | ND | 0 |
ND = not detected (below the 4 ppt UCMR 5 reporting level). Values are the highest single sample result, not an annual average.