Farmer City, IL
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 12.5 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. 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.
Farmer City at a glance
Farmer City serves about 1,811 people through 1,101 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 De Witt County, Illinois. EPA system ID: IL0390150; phone on file: 309-928-3412. They can tell you what your service line is made of and whether they pay to replace it.
Farmer City's lead record
That is up 12.5 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Farmer City is 38.3 ppb across 14 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 12.5 ppb over 10 |
| 2025 | 0 (not detected) |
| 2025 | 12 ppb over 10 |
| 2025 | 13.5 ppb over 10 |
| 2024 | 16.9 ppb over 15 |
| 2024 | 0 (not detected) |
| 2023 | 11.4 ppb over 10 |
| 2023 | 6.09 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 7.2 ppb |
| 2017 | 38.3 ppb over 15 |
Where this result ranks
Of the 1,744 Illinois systems with a lead result, the median latest reading is 0 ppb; 22 are over 15 ppb right now and 152 have gone over at some point. Farmer City's 12.5 ppb sits at the 98th percentile in Illinois and the 98th nationally (higher means more lead).
Nearby utilities
7 other systems share De Witt County; 0 of them have a higher latest lead result than Farmer City. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Clinton | 7,200 | 0 (not detected) |
| Wapella | 513 | 0 (not detected) |
| Weldon | 404 | 6.3 ppb |
| Kenney | 400 | 0 (not detected) |
| Waynesville | 381 | 0 (not detected) |
| De Witt | 175 | 0 (not detected) |
| West Side Mhp | 71 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Farmer City, IL 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 Farmer City whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1460 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. This system is in the band the 2027 10 ppb rule changes.