Hawaii Volcanoes Nat.Park, HI
Lead detected, under the action levels
Latest 90th-percentile lead: 8.99 ppb (monitoring period 2019-2021). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Hawaii Volcanoes Nat.Park
Hawaii Volcanoes Nat.Park serves about 4,201 people through 55 service connections, which makes it a medium-sized system under EPA's size classes. It is federally owned and draws groundwater, in Hawaii County, Hawaii. EPA system ID: HI0000146; phone on file: 808-985-6025. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 8.99 ppb from 0 ppb in the period ending 2018. The highest 90th-percentile result EPA holds for Hawaii Volcanoes Nat.Park is 8.99 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2021 | 8.99 ppb |
| 2018 | 0 (not detected) |
How Hawaii Volcanoes Nat.Park compares
Of the 112 Hawaii systems with a lead result, the median latest reading is 0 ppb; 0 are over 15 ppb right now and 1 have gone over at some point. Hawaii Volcanoes Nat.Park's 8.99 ppb sits at the 98th percentile in Hawaii and the 96th nationally (higher means more lead).
Nearby utilities
36 other systems share Hawaii County; 1 of them has a higher latest lead result than Hawaii Volcanoes Nat.Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hilo | 39,477 | 0 (not detected) |
| North Kona | 29,581 | 0 (not detected) |
| Waikoloa | 12,100 | 0 (not detected) |
| South Kohala | 9,612 | 0 (not detected) |
| South Kona | 6,512 | 0 (not detected) |
| Olaa-Mountain View | 6,467 | 0 (not detected) |
| North Kohala | 4,933 | 0 (not detected) |
| Haina | 4,563 | 0 (not detected) |
| Hawaiian Beaches | 3,546 | 0 (not detected) |
| Waiohinu-Naalehu | 2,948 | 0 (not detected) |
Next steps for Hawaii National Park, HI
Test your own tap with a certified lab first-draw sample; Hawaii National Park, HI may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Hawaii Volcanoes Nat.Park whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.