PFAS contamination data for 153 water systems in Hawaii, serving 1,554,133 people.
Hawaii follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
HI follows federal EPA MCLs. Major PFAS contamination near Joint Base Pearl Harbor-Hickam and Red Hill fuel facility.
Hawaii follows federal EPA MCLs. Critical PFAS contamination issues near Joint Base Pearl Harbor-Hickam, compounded by Red Hill fuel facility contamination.
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Hawaii.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| HNL-WINDWARD-PEARL HARBOR HI0000331 | HONOLULU | 631,389 | — | — | Compliant |
| WAIPAHU-EWA-WAIANAE HI0000335 | HONOLULU | 217,479 | — | — | Compliant |
| WAILUKU HI0000212 | WAILUKU | 74,511 | — | — | Compliant |
| JOINT BASE PEARL HARBOR-HICKAM HI0000360 | JBPPH | 65,230 | — | — | Compliant |
| MILILANI HI0000367 | HONOLULU | 50,573 | — | — | Compliant |
| HILO HI0000101 | HILO | 39,477 | — | — | Compliant |
| SCHOFIELD BARRACKS HI0000345 | SCHOFIELD BARRACKS | 37,920 | — | — | Compliant |
| LIHUE-KAPAA HI0000400 | LIHUE | 34,854 | — | — | Compliant |
| MAKAWAO HI0000213 | WAILUKU | 29,868 | — | — | Compliant |
| NORTH KONA HI0000131 | HILO | 29,581 | — | — | Compliant |
| WAHIAWA HI0000333 | HONOLULU | 23,348 | — | — | Compliant |
| LAHAINA HI0000214 | WAILUKU | 20,065 | — | — | Compliant |
| WAILUA-KAPAA HI0000413 | LIHUE | 17,179 | — | — | Compliant |
| MARINE CORPS BASE HAWAII HI0000356 | KANEOHE BAY | 16,300 | — | — | Compliant |
| HICKAM HI0000350 | HICKAM AFB | 12,853 | — | — | Compliant |
| KALAHEO-KOLOA HI0000434 | LIHUE | 12,660 | — | — | Compliant |
| WAIKOLOA HI0000135 | WAIKOLOA | 12,100 | — | — | Compliant |
| WAIPIO HEIGHTS HI0000334 | HONOLULU | 11,516 | — | — | Compliant |
| WAIALUA-HALEIWA HI0000332 | HONOLULU | 9,996 | — | — | Compliant |
| SOUTH KOHALA HI0000130 | HILO | 9,612 | — | — | Compliant |
| KAANAPALI HI0000205 | WAIKOLOA | 8,000 | — | — | Compliant |
| UPPER KULA HI0000215 | WAILUKU | 7,686 | — | — | Compliant |
| FORT SHAFTER HI0000341 | SCHOFIELD BARRACKS | 7,067 | — | — | Compliant |
| PRINCEVILLE HI0000428 | PRINCEVILLE | 6,911 | — | — | Compliant |
| SOUTH KONA HI0000132 | HILO | 6,512 | — | — | Compliant |
| NCTAMS EASTPAC HI0000357 | JBPPH | 6,470 | — | — | Compliant |
| OLAA-MOUNTAIN VIEW HI0000112 | HILO | 6,467 | — | — | Compliant |
| ALIAMANU HI0000337 | SCHOFIELD BARRACKS | 6,406 | — | — | Compliant |
| KEKAHA-WAIMEA HI0000406 | LIHUE | 5,998 | — | — | Compliant |
| HANAPEPE-ELEELE HI0000404 | LIHUE | 5,592 | — | — | Compliant |
| LAIE WATER COMPANY HI0000325 | LAIE | 5,577 | — | — | Compliant |
| TRIPLER ARMY MEDICAL CNTR HI0000346 | SCHOFIELD BARRACKS | 5,555 | — | — | Compliant |
| BARBERS POINT HI0000355 | WAIKOLOA | 5,256 | — | — | Compliant |
| NORTH KOHALA HI0000129 | HILO | 4,933 | — | — | Compliant |
| WAIALEE-SUNSET BEACH HI0000366 | HONOLULU | 4,916 | — | — | Compliant |
| HAINA HI0000161 | HILO | 4,563 | — | — | Compliant |
| HAWAII VOLCANOES NAT.PARK HI0000146 | HAWAII NATIONAL PARK | 4,201 | — | — | Compliant |
| KAPALUA HI0000204 | KAPALUA | 4,200 | — | — | Compliant |
| PUNAHOU SCHOOL HI0000324 | HONOLULU | 4,000 | — | — | Compliant |
| KAMEHAMEHA SCHOOLS HI0000319 | HONOLULU | 4,000 | — | — | Compliant |
| KAUNAKAKAI HI0000234 | WAILUKU | 3,702 | — | — | Compliant |
| HAWAIIAN BEACHES HI0000117 | PAHOA | 3,546 | — | — | Compliant |
| LOWER KULA HI0000247 | WAILUKU | 3,522 | — | — | Compliant |
| THE QUEEN'S MEDICAL CENTER HI0000312 | HONOLULU | 3,440 | — | — | Compliant |
| KILAUEA HI0000407 | LIHUE | 3,420 | — | — | Compliant |
| LANAI CITY HI0000237 | LANAI CITY | 3,200 | — | — | Compliant |
| WAIOHINU-NAALEHU HI0000108 | HILO | 2,948 | — | — | Compliant |
| ANAHOLA HI0000401 | LIHUE | 2,473 | — | — | Compliant |
| HOOLEHUA HI0000230 | KAUNAKAKAI | 2,400 | — | — | Compliant |
| PUHI HI0000412 | LIHUE | 2,206 | — | — | Compliant |
| PAPAIKOU HI0000107 | HILO | 2,203 | — | — | Compliant |
| LALAMILO HI0000160 | HILO | 1,895 | — | — | Compliant |
| PAHOA HI0000111 | HILO | 1,885 | — | — | Compliant |
| DILLINGHAM AIRFIELD HI0000338 | HONOLULU | 1,800 | — | — | Compliant |
| PEPEEKEO HI0000106 | HILO | 1,450 | — | — | Compliant |
| HAWAIIAN SHORES HI0000156 | PAHOA | 1,360 | — | — | Compliant |
| HANA HI0000217 | WAILUKU | 1,284 | — | — | Compliant |
| GAY & ROBINSON HI0000417 | KAUMAKANI | 1,271 | — | — | Compliant |
| PAHALA HI0000109 | HILO | 1,226 | — | — | Compliant |
| PACIFIC MISSILE RANGE FACILITY HI0000430 | JBPPH | 1,200 | — | — | Compliant |
| HALEAKALA NATIONAL PARK HI0000222 | MAKAWAO | 1,200 | — | — | Compliant |
| LAUPAHOEHOE-KAPEHU HI0000102 | HILO | 1,169 | — | — | Compliant |
| UALAPUE HI0000233 | WAILUKU | 1,119 | — | — | Compliant |
| MAUNALOA-KALUAKOI HI0000231 | MAUNALOA | 1,000 | — | — | Compliant |
| HAWAIIAN OCEAN VIEW ESTATES HI0000169 | HILO | 1,000 | — | — | Compliant |
| KOHALA RANCH WATER CO. HI0000151 | KAMUELA | 850 | — | — | Compliant |
| HAENA-WAINIHA HI0000415 | LIHUE | 833 | — | — | Compliant |
| HANA WATER SYSTEMS - SOUTH HI0000201 | HANA | 816 | — | — | Compliant |
| PAAUILO HI0000134 | HILO | 716 | — | — | Compliant |
| KUNIA VILLAGE HI0000303 | KUNIA | 650 | — | — | Compliant |
| HONOMU HI0000105 | HILO | 645 | — | — | Compliant |
| MAHANALUA NUI SUBDIVISON HI0000251 | KAHULUI | 606 | — | — | Compliant |
| CAMP STOVER HI0000354 | JBPPH | 595 | — | — | Compliant |
| KAWELA PLANTATION HI0000248 | KAUNAKAKAI | 553 | — | — | Compliant |
| KUALAPUU HI0000229 | MAUNALOA | 500 | — | — | Compliant |
| HANALEI HI0000403 | LIHUE | 500 | — | — | Compliant |
| KUKUIHAELE HI0000133 | HILO | 483 | — | — | Compliant |
| NAPUU WATER INC. HI0000150 | KAILUA KONA | 468 | — | — | Compliant |
| WAIAWA CORRECTIONAL FACILITY HI0000348 | PEARL CITY | 444 | — | — | Compliant |
| HAKALAU-WAILEA HI0000154 | HILO | 402 | — | — | Compliant |
| WAIALUA SUGAR PUMP 2 HI0000309 | WAHIAWA | 400 | — | — | Compliant |
| ANAHOLA FARM LOTS HI0000432 | LIHUE | 385 | — | — | Compliant |
| KALAE HI0000235 | WAILUKU | 360 | — | — | Compliant |
| KAPOHO HI0000155 | HILO | 340 | — | — | Compliant |
| WAIAHOLE HI0000368 | HONOLULU | 300 | — | — | Compliant |
| KALAPANA HI0000110 | HILO | 275 | — | — | Compliant |
| KEANAE HI0000219 | WAILUKU | 270 | — | — | Compliant |
| OOKALA (DWS) HI0000104 | HILO | 264 | — | — | Compliant |
| KONA WATER SERVICE COMPANY HI0000165 | WAIKOLOA | 260 | — | — | Compliant |
| KEALIA HI0000423 | KALAHEO | 260 | — | — | Compliant |
| NIULII HI0000139 | HILO | 254 | — | — | Compliant |
| KULANI CORRECTIONAL FACILITY HI0000153 | HILO | 250 | — | — | Compliant |
| KEOPU WATER ASSOCIATION HI0000168 | HOLUALOA | 250 | — | — | Compliant |
| PUNALU'U HI0000114 | HONOLULU | 200 | — | — | Compliant |
| KAWAIHAE UNIT #1 HI0000164 | KAMUELA | 193 | — | — | Compliant |
| KAHILI MOUNTAIN PARK HI0000422 | KOLOA | 175 | — | — | Compliant |
| ANINI HI0000402 | LIHUE | 174 | — | — | Compliant |
| HANA WATER SYSTEMS - NORTH HI0000243 | HANA | 160 | — | — | Compliant |
| NINOLE HI0000103 | HILO | 151 | — | — | Compliant |
| KAHAKULOA WATER CO. HI0000249 | WAILUKU | 150 | — | — | Compliant |
| KALAUPAPA NHP HI0000239 | KALAUPAPA | 110 | — | — | Compliant |
| NAHIKU HI0000220 | WAILUKU | 107 | — | — | Compliant |
| WAIKI'I RANCH HI0000162 | KAMUELA | 102 | — | — | Compliant |
| MOLOAA IRRIGATION COOPERATIVE HI0000437 | ANAHOLA | 100 | — | — | Compliant |
| MAUNAOLU PLANTATION HI0000254 | WAILUKU | 100 | — | — | Compliant |
| OLOWALU HI0000209 | KAHULUI | 100 | — | — | Compliant |
| KULA NANI HI0000255 | WAILUKU | 80 | — | — | Compliant |
| KIPU HI0000245 | MAUNALOA | 80 | — | — | Compliant |
| WOOD VALLEY HI0000166 | PAHALA | 75 | — | — | Compliant |
| KAHUKU AIR BASE HI0000315 | KAHUKU | 75 | — | — | Compliant |
| PEPEEKEO WATER ASSOCIATION HI0000167 | HILO | 60 | — | — | Compliant |
| WEST KUIAHA MEADOWS HI0000252 | WAILUKU | 60 | — | — | Compliant |
| THE FINEST PLACE MHP MO5048105 | WAIPAHU | 55 | — | — | Compliant |
| WOODLANDS AT NUUANU HI0000372 | HONOLULU | 48 | — | — | Compliant |
| MOLOAA HI0000436 | HONOLULU | 44 | — | — | Compliant |
| KIPAPA ACRES C.P.R. HI0000328 | AIEA | 43 | — | — | Compliant |
| HONOKOHAU HI0000218 | WAILUKU | 42 | — | — | Compliant |
| KOLOA GROVE FARM CO. HI0000421 | LIHUE | 40 | — | — | Compliant |
| BALDWIN RANCH ESTATES HI0000266 | PUKALANI | 32 | — | — | Compliant |
| VILLA ROSE HI0000374 | WAILUKU | 30 | — | — | Compliant |
| MAUI HIGHLANDS HI0000256 | WAILUKU | 26 | — | — | Compliant |
| POAMOHO HI0000371 | HONOLULU | 25 | — | — | Compliant |
| HAIKU TOWN WATER ASSOCIATION, INC. HI0000263 | KAHULUI | 20 | — | — | Compliant |
| LAWAI-OMAO HI0000409 | LIHUE | — | — | — | Compliant |
| KOLOA-POIPU HI0000408 | LIHUE | — | — | — | Compliant |