Nsbu - Anaktuvuk Pass, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 0.33 ppb (monitoring period 2022-2024). 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 Nsbu - Anaktuvuk Pass
Nsbu - Anaktuvuk Pass serves about 350 people through 105 service connections, which makes it a very small system under EPA's size classes. It is owned by a Native American tribe and draws groundwater, in North Slope Borough County, Alaska. EPA system ID: AK2350235. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2021 (0.28 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Nsbu - Anaktuvuk Pass is 0.33 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0.33 ppb |
| 2021 | 0.28 ppb |
| 2018 | 0 (not detected) |
Against other Alaska systems
Of the 394 Alaska systems with a lead result, the median latest reading is 1.6 ppb; 3 are over 15 ppb right now and 53 have gone over at some point. Nsbu - Anaktuvuk Pass's 0.33 ppb sits at the 22nd percentile in Alaska and the 42nd nationally (higher means more lead).
Nearby utilities
8 other systems share North Slope Borough County; 5 of them have a higher latest lead result than Nsbu - Anaktuvuk Pass. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Barrow Utilities & Elec. Coop., Inc. (Bu | 4,900 | 0 (not detected) |
| Nsbu - Point Hope | 881 | 0 (not detected) |
| The Water Service | 638 | - |
| Nsbu - Wainwright | 600 | 0.7 ppb |
| Nsbu - Nuiqsut | 443 | 5 ppb |
| Nsbu - Kaktovik (Barter Is) | 292 | 1.8 ppb |
| Nsbu - Atqasuk | 284 | 0.41 ppb |
| Nsbu - Point Lay | 237 | 1.4 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Wainwright, AK 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 Nsbu - Anaktuvuk Pass 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.