Ouzinkie Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 2.7 ppb (monitoring period 2024-2026). 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.
Who runs the water here
Ouzinkie Water System serves about 144 people through 96 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 Kodiak Island Borough County, Alaska. EPA system ID: AK2250053; phone on file: 907-680-2209. They can tell you what your service line is made of and whether they pay to replace it.
Ouzinkie Water System's lead record
That is down 1.2 ppb from 3.9 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Ouzinkie Water System is 3.9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.7 ppb |
| 2023 | 3.9 ppb |
| 2020 | 1.65 ppb |
| 2017 | 1.55 ppb |
How Ouzinkie 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. Ouzinkie Water System's 2.7 ppb sits at the 70th percentile in Alaska and the 79th nationally (higher means more lead).
Other water systems in Kodiak Island Borough County
7 other systems share Kodiak Island Borough County; 4 of them have a higher latest lead result than Ouzinkie Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kodiak Water System | 9,547 | 3.9 ppb |
| Uscg Station Kodiak | 3,092 | 1.37 ppb |
| Larsen Bay Water System | 271 | 1.2 ppb |
| Old Harbor | 246 | 5 ppb |
| Port Lions | 175 | 6.1 ppb |
| Akhiok | 90 | 4.8 ppb |
| Karluk Water System | 60 | 0.31 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Ouzinkike, 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 Ouzinkie Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1700 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. Systems that went over once often dip back under; here is what that means.