Buffalo Hollow Farms Water Assoc, IL
Lead detected, under the action levels
Latest 90th-percentile lead: 3.8 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.
Who runs the water here
Buffalo Hollow Farms Water Assoc serves about 45 people through 19 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Peoria County, Illinois. EPA system ID: IL1430080; phone on file: 309-427-7138. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Buffalo Hollow Farms Water Assoc's lead record
Against the period ending 2022 (3.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Buffalo Hollow Farms Water Assoc is 3.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3.8 ppb |
| 2022 | 3.8 ppb |
| 2019 | 1.3 ppb |
| 2016 | 1 ppb |
Against other Illinois systems
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. Buffalo Hollow Farms Water Assoc's 3.8 ppb sits at the 84th percentile in Illinois and the 86th nationally (higher means more lead).
Other water systems in Peoria County
19 other systems share Peoria County; 1 of them has a higher latest lead result than Buffalo Hollow Farms Water Assoc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Il American-Peoria | 137,575 | 11 ppb |
| Chillicothe | 6,660 | 1.4 ppb |
| Peoria Heights | 5,908 | 0 (not detected) |
| Pleasant Valley Pwd | 3,783 | 0 (not detected) |
| T-L Rural Water District | 2,243 | 0 (not detected) |
| Elmwood | 2,058 | 1.8 ppb |
| Limestone-Walters Pwd | 2,023 | 1 ppb |
| Princeville | 1,901 | 0 (not detected) |
| Dunlap | 1,603 | 2.3 ppb |
| Hanna City | 1,253 | 1.6 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Chillicothe, 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 Buffalo Hollow Farms Water Assoc 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. The action level is dropping - the 10 ppb rule from 2027.