Baldwin, IL
Exceeded the action level in the past
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 result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Baldwin serves about 547 people through 247 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 surface water, in Randolph County, Illinois. EPA system ID: IL1570050; phone on file: 618-327-9076. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Baldwin's lead record
Against the period ending 2024 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Baldwin is 30 ppb across 9 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 1.3 ppb |
| 2021 | 1.4 ppb |
| 2020 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 30 ppb over 15 |
| 2016 | 2.4 ppb |
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. Baldwin's reported as 0 (not detected) sits at the 22nd percentile in Illinois and the 23rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
13 other systems share Randolph County; 7 of them have a higher latest lead result than Baldwin. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Chester | 8,407 | 2.6 ppb |
| Sparta | 4,395 | 5.2 ppb |
| Red Bud | 3,804 | 6 ppb |
| Menard Correctional Center | 2,950 | - |
| Egyptian Water Company | 2,543 | 0 (not detected) |
| Steeleville | 1,960 | 2.3 ppb |
| Tilden | 1,350 | 0 (not detected) |
| Coulterville | 1,052 | 1.6 ppb |
| Percy | 961 | 8.3 ppb |
| Prairie Du Rocher | 759 | 7 ppb |
Next steps for Nashville, IL
Test your own tap with a certified lab first-draw sample; Nashville, 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 Baldwin 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. Why an old exceedance still matters: over the limit before, under it now.