Hoyleton-New Minden, IL
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). 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 Hoyleton-New Minden
Hoyleton-New Minden serves about 35 people through 14 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Washington County, Illinois. EPA system ID: IL1895500; phone on file: 618-532-8569. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Hoyleton-New Minden's lead record
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hoyleton-New Minden is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 1 ppb |
| 2019 | 0 (not detected) |
| 2016 | 3 ppb |
How Hoyleton-New Minden compares
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. Hoyleton-New Minden's reported as 0 (not detected) sits at the 0th percentile in Illinois and the 1st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Washington County
14 other systems share Washington County; 7 of them have a higher latest lead result than Hoyleton-New Minden. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Washington County Water Company | 12,040 | 2 ppb |
| Nashville | 3,230 | 0 (not detected) |
| Okawville | 1,457 | 2.1 ppb |
| Irvington | 1,081 | 0 (not detected) |
| Hoyleton Rwc | 1,020 | 0 (not detected) |
| Hoyleton | 658 | 0 (not detected) |
| Ashley | 565 | 1.9 ppb |
| New Minden | 343 | 0 (not detected) |
| Richview | 251 | 0 (not detected) |
| Brookside Meadows Mhp | 250 | 3.8 ppb |
Next steps for Centralia, IL
Look up your address in Hoyleton-New Minden'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 Hoyleton-New Minden 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. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.