Chignik Lake Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 3.41 ppb (monitoring period 2019-2019). 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.
Chignik Lake Water System at a glance
Chignik Lake Water System serves about 200 people through 31 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 Lake And Peninsula Borough County, Alaska. EPA system ID: AK2261096; phone on file: 907-845-4041. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
The highest 90th-percentile result EPA holds for Chignik Lake Water System is 3.41 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2019 | 3.41 ppb |
Where this result ranks
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. Chignik Lake Water System's 3.41 ppb sits at the 76th percentile in Alaska and the 85th nationally (higher means more lead).
Neighbouring systems
8 other systems share Lake And Peninsula Borough County; 0 of them have a higher latest lead result than Chignik Lake Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Egegik | 485 | 3.4 ppb |
| Chignik Lagoon Water System | 273 | 2.5 ppb |
| Nondalton | 205 | 2 ppb |
| Chignik Bay Water System | 199 | 1.1 ppb |
| Kokhanok Water & Ww System | 160 | 0.64 ppb |
| Igiugig Water System | 100 | 2.1 ppb |
| Perryville Water System | 88 | 0.89 ppb |
| Newhalen Water System | 80 | 0 (not detected) |
Next steps for Chignik Lake, AK
Test your own tap with a certified lab first-draw sample; Chignik Lake, 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 Chignik Lake Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 4870 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.