Shaktoolik Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 4.2 ppb (monitoring period 2023-2025). 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.
Shaktoolik Water System at a glance
Shaktoolik Water System serves about 270 people through 77 service connections, which makes it a very small system under EPA's size classes. It is owned by a Native American tribe and draws surface water, in Nome Census Area County, Alaska. EPA system ID: AK2340442; phone on file: 907-955-3441. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 2.6 ppb from 1.6 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Shaktoolik Water System is 4.2 ppb across 9 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.2 ppb |
| 2022 | 1.6 ppb |
| 2021 | 3.4 ppb |
| 2020 | 0.84 ppb |
| 2019 | 2.47 ppb |
| 2018 | 1.1 ppb |
| 2018 | 2.3 ppb |
| 2017 | 0.95 ppb |
| 2016 | 0 (not detected) |
How Shaktoolik Water System compares
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. Shaktoolik Water System's 4.2 ppb sits at the 81st percentile in Alaska and the 89th nationally (higher means more lead).
Other water systems in Nome Census Area County
16 other systems share Nome Census Area County; 2 of them have a higher latest lead result than Shaktoolik Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nome Joint Utility System | 3,920 | 2.41 ppb |
| Savoonga Water Supply | 802 | 2.6 ppb |
| Unalakleet City Water Supply | 757 | 1.4 ppb |
| Gambell Water System | 669 | 0.71 ppb |
| Stebbins City Water Supply | 590 | 2.5 ppb |
| Shishmaref Water System | 572 | 0.27 ppb |
| St. Michael Water System | 495 | 3.2 ppb |
| Brevig Mission Water System | 442 | 1.9 ppb |
| Elim Water Supply | 320 | 1.9 ppb |
| Quality Services, Llc Water Delivery | 300 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Shaktoolik, 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 Shaktoolik Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2300 ppb (copper action level 1,300 ppb).
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. Size matters more than most people expect: small vs large water systems.