Clarks Point Water System, AK
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 10.1 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Clarks Point Water System serves about 128 people through 15 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: AK2260202; phone on file: 907-236-6036. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 7.6 ppb from 2.5 ppb in the period ending 2017. The highest 90th-percentile result EPA holds for Clarks Point Water System is 10.1 ppb across 2 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 10.1 ppb over 10 |
| 2017 | 2.5 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. Clarks Point Water System's 10.1 ppb sits at the 98th percentile in Alaska and the 97th nationally (higher means more lead).
Neighbouring systems
10 other systems share Dillingham Census Area County; 1 of them has a higher latest lead result than Clarks Point 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 Water System | 293 | 6.07 ppb |
| Manokotak Heights W/S | 215 | 0 (not detected) |
| Koliganek Water System | 170 | 2.7 ppb |
| Twin Hills Water System | 87 | 0.69 ppb |
| Salmon Roe | 31 | 5.4 ppb |
| Nina Nicholson Subdivision | 31 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Clarks Point, 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 Clarks Point Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1850 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. What a 90th-percentile result does and does not tell you: how to read a lead result. See what changes at 10 ppb in 2027.