Farson Eden School, WY
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2026-2026). 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.
About Farson Eden School
Farson Eden School serves about 530 people through 16 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 Sweetwater County, Wyoming. EPA system ID: WY5600113; phone on file: 307-352-3400. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 2 ppb from 1 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Farson Eden School is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3 ppb |
| 2025 | 1 ppb |
| 2021 | 3 ppb |
| 2018 | 1 ppb |
Against other Wyoming systems
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. Farson Eden School's 3 ppb sits at the 82nd percentile in Wyoming and the 82nd nationally (higher means more lead).
Nearby utilities
20 other systems share Sweetwater County; 2 of them have a higher latest lead result than Farson Eden School. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rock Springs, City Of | 24,000 | 3 ppb |
| Green River, City Of | 10,500 | 2 ppb |
| White Mountain W&S District | 3,000 | 2 ppb |
| Little America Hotels & Resorts, Inc- Wy | 2,004 | 4 ppb |
| Pioneer Mobile Home Park | 1,000 | 3 ppb |
| Clearview I&S District | 930 | 3 ppb |
| Jamestown-Rio Vista W&S District | 560 | 0 (not detected) |
| Wamsutter, Town Of | 500 | 2 ppb |
| Lewis Mobile Home Park | 370 | 2 ppb |
| Superior, Town Of | 336 | 3 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Rock Springs, WY 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 Farson Eden School 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.