Saint Paul Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 0.7 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.
About Saint Paul Water System
Saint Paul Water System serves about 380 people through 190 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 Aleutians West Census Area County, Alaska. EPA system ID: AK2260286; phone on file: 907-341-3994. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2024 (0.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Saint Paul Water System is 4.3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.7 ppb |
| 2024 | 0.7 ppb |
| 2023 | 0.7 ppb |
| 2016 | 4.3 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. Saint Paul Water System's 0.7 ppb sits at the 31st percentile in Alaska and the 46th nationally (higher means more lead).
Nearby utilities
5 other systems share Aleutians West Census Area County; 3 of them have a higher latest lead result than Saint Paul Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Unalaska Water System | 9,400 | 3.05 ppb |
| Adak Utilities | 325 | 13 ppb |
| Saint George Water System | 65 | - |
| Atka | 50 | 3.7 ppb |
| Nikolski Village | 34 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Saint Paul, 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 Saint Paul 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. 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.