Pilot Station Water System, AK
Exceeded the action level in the past
Latest 90th-percentile lead: 4.8 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Pilot Station Water System serves about 580 people through 126 service connections, which makes it a small system under EPA's size classes. It is owned by a Native American tribe and draws groundwater, in Wade Hampton Census Area County, Alaska. EPA system ID: AK2260163; phone on file: 907-549-3211. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 4.3 ppb from 9.1 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Pilot Station Water System is 25 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.8 ppb |
| 2024 | 9.1 ppb |
| 2022 | 1.6 ppb |
| 2022 | 2.7 ppb |
| 2016 | 25 ppb over 15 |
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. Pilot Station Water System's 4.8 ppb sits at the 85th percentile in Alaska and the 90th nationally (higher means more lead).
Neighbouring systems
11 other systems share Wade Hampton Census Area County; 1 of them has a higher latest lead result than Pilot Station Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Hooper Bay | 1,375 | 1.4 ppb |
| Chevak Water System | 938 | 4.9 ppb |
| Mountain Village Water System | 887 | 1.47 ppb |
| Emmonak Water System | 820 | 0.94 ppb |
| Scammon Bay Water System | 637 | 0 (not detected) |
| Kotlik Water System | 617 | 2 ppb |
| Alakanuk Water System | 570 | 1.8 ppb |
| St. Marys Water System | 548 | 0 (not detected) |
| Russian Mission Water System | 340 | 1.1 ppb |
| Marshall Water System | 308 | 1.2 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Pilot Station, 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 Pilot Station Water System 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. Why sampled homes are the worst-case ones is in the guide to reading the number. More in what a past exceedance means today.