Allakaket Public Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 ppb (monitoring period 2025-2025). 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.
About Allakaket Public Water System
Allakaket Public Water System serves about 135 people through 3 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 Yukon-Koyukuk Census Area County, Alaska. EPA system ID: AK2300816; phone on file: 907-968-2424. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 1.1 ppb from 2.3 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Allakaket Public Water System is 14 ppb across 11 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.2 ppb |
| 2024 | 2.3 ppb |
| 2024 | 2.2 ppb |
| 2023 | 2.5 ppb |
| 2023 | 10 ppb |
| 2022 | 3.6 ppb |
| 2021 | 3.3 ppb |
| 2020 | 2.7 ppb |
| 2020 | 2.4 ppb |
| 2019 | 14 ppb over 10 |
| 2017 | 8.25 ppb |
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. Allakaket Public Water System's 1.2 ppb sits at the 44th percentile in Alaska and the 58th nationally (higher means more lead).
Nearby utilities
26 other systems share Yukon-Koyukuk Census Area County; 18 of them have a higher latest lead result than Allakaket Public Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ft. Yukon Public Water System | 665 | 4.6 ppb |
| Galena Wtp1 - City | 490 | 3.6 ppb |
| Nenana Municipal Water | 486 | 0.7 ppb |
| Mcgrath Water System | 341 | 0.53 ppb |
| Huslia Public Water System | 323 | 2.7 ppb |
| Galena Wtp2 - Gila | 290 | 2.5 ppb |
| Too'Gha Inc - In Tanana | 271 | 1.6 ppb |
| Nulato River Well | 245 | 2.3 ppb |
| Ruby Water System | 215 | 9 ppb |
| Kaltag Public Water System | 214 | 2.1 ppb |
Next steps for Allakaket, AK
Test your own tap with a certified lab first-draw sample; Allakaket, 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 Allakaket Public Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1800 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.