Manokotak Water System, AK
Lead detected, under the action levels
Latest 90th-percentile lead: 6.07 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.
Manokotak Water System at a glance
Manokotak Water System serves about 293 people through 70 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 Dillingham Census Area County, Alaska. EPA system ID: AK2260090; phone on file: 907-289-1027. They can tell you what your service line is made of and whether they pay to replace it.
Manokotak Water System's lead record
That is up 3.39 ppb from 2.68 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Manokotak Water System is 6.07 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 6.07 ppb |
| 2024 | 2.68 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. Manokotak Water System's 6.07 ppb sits at the 91st percentile in Alaska and the 93rd nationally (higher means more lead).
Neighbouring systems
10 other systems share Dillingham Census Area County; 2 of them have a higher latest lead result than Manokotak Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dillingham Water System | 2,419 | 0.4 ppb |
| Togiak Water System | 910 | 0.43 ppb |
| New Stuyahok Water System | 566 | 0.37 ppb |
| Bbahc - Kanakanak Hospital | 305 | 11 ppb |
| Manokotak Heights W/S | 215 | 0 (not detected) |
| Koliganek Water System | 170 | 2.7 ppb |
| Clarks Point Water System | 128 | 10.1 ppb |
| Twin Hills Water System | 87 | 0.69 ppb |
| Salmon Roe | 31 | 5.4 ppb |
| Nina Nicholson Subdivision | 31 | 0 (not detected) |
Next steps for Manokotak, AK
Test your own tap with a certified lab first-draw sample; Manokotak, 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 Manokotak Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1760 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.