Little Horsethief Canyon Hoa, 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.
About Little Horsethief Canyon Hoa
Little Horsethief Canyon Hoa serves about 35 people through 18 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Teton County, Wyoming. EPA system ID: WY5601730; phone on file: 307-690-5512. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2 ppb from 2 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Little Horsethief Canyon Hoa is 2 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 2 ppb |
| 2023 | 2 ppb |
| 2022 | 0 (not detected) |
| 2022 | 0 (not detected) |
How Little Horsethief Canyon Hoa compares
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. Little Horsethief Canyon Hoa's reported as 0 (not detected) sits at the 2nd percentile in Wyoming and the 1st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
37 other systems share Teton County; 26 of them have a higher latest lead result than Little Horsethief Canyon Hoa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jackson, Town Of | 24,760 | 1 ppb |
| Ynp-Old Faithful | 7,745 | 2 ppb |
| Ynp - Lake Village | 5,925 | 4 ppb |
| Gtnp-Colter Bay Village | 4,514 | 1 ppb |
| Gtnp-Jackson Lake Lodge | 1,830 | 2 ppb |
| Rafter J Subdivision Hoa | 1,500 | 3 ppb |
| Aspens Pines W&S District | 1,400 | 2 ppb |
| Teton Village Water & Sewer District | 906 | 2 ppb |
| Melody Ranch Improvement & Service Dist. | 900 | 5 ppb |
| Spring Creek Improvement District | 400 | 3 ppb |
Your move
Look up your address in Little Horsethief Canyon Hoa'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 Little Horsethief Canyon Hoa 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. A zero today does not rule out a jump later - the rules are tightening in 2027.