Villa Park, IL
Lead detected, under the action levels
Latest 90th-percentile lead: 7 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.
Villa Park at a glance
Villa Park serves about 22,263 people through 7,167 service connections, which makes it a large system under EPA's size classes. It is under mixed public and private ownership and draws surface water, in Dupage County, Illinois. EPA system ID: IL0430800; phone on file: 630-834-8505. They can tell you what your service line is made of and whether they pay to replace it.
Villa Park's lead record
That is down 1.9 ppb from 8.9 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Villa Park is 8.9 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 7 ppb |
| 2025 | 8.9 ppb |
| 2025 | 0 (not detected) |
| 2025 | 1 ppb |
| 2025 | 6.8 ppb |
| 2023 | 2.1 ppb |
| 2020 | 2.4 ppb |
| 2017 | 7.5 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. Villa Park's 7 ppb sits at the 93rd percentile in Illinois and the 95th nationally (higher means more lead).
Neighbouring systems
47 other systems share Dupage County; 3 of them have a higher latest lead result than Villa Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Naperville | 156,406 | 6.1 ppb |
| Wheaton | 53,970 | 2.32 ppb |
| Downers Grove | 49,425 | 4.98 ppb |
| Elmhurst | 45,000 | 5.52 ppb |
| Lombard | 44,476 | 10.6 ppb |
| Carol Stream | 39,854 | 1.05 ppb |
| Addison | 38,017 | 2 ppb |
| Woodridge | 33,566 | 0 (not detected) |
| Glendale Heights | 33,176 | 0 (not detected) |
| Glen Ellyn | 28,500 | 1.87 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Villa Park, 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 Villa Park 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.