Marbleton, Town Of, WY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Marbleton, Town Of at a glance
Marbleton, Town Of serves about 861 people through 333 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Sublette County, Wyoming. EPA system ID: WY5600223; phone on file: 307-260-6214. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 2 ppb from 2 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Marbleton, Town Of is 6 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 2 ppb |
| 2023 | 2 ppb |
| 2022 | 6 ppb |
| 2019 | 0.74 ppb |
| 2016 | 2 ppb |
Where this result ranks
Of the 311 Wyoming systems with a lead result, the median latest reading is 1 ppb; 0 are over 15 ppb right now and 16 have gone over at some point. Marbleton, Town Of's reported as 0 (not detected) sits at the 26th percentile in Wyoming and the 26th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
3 other systems share Sublette County; 2 of them have a higher latest lead result than Marbleton, Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pinedale Municipal Ws | 2,005 | 1 ppb |
| High Meadow Ranch | 622 | 0 (not detected) |
| Big Piney, Town Of | 445 | 2 ppb |
What to do in your house
Look up your address in Marbleton, Town Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Marbleton, Town Of 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.