Maple Hill Estates, IL

Above the new 10 ppb level coming in 2027

Latest 90th-percentile lead: 15 ppb (monitoring period 2021-2023). 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.

Maple Hill Estates at a glance

Maple Hill Estates serves about 490 people through 191 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Hennepin County, Illinois. EPA system ID: MN1270015; phone on file: 7194996299. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.

Lead results over time

The highest 90th-percentile result EPA holds for Maple Hill Estates is 15 ppb across 1 monitoring period, none of them over 15 ppb (1 over 10 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. Maple Hill Estates's 15 ppb sits at the 99th percentile in Illinois and the 99th nationally (higher means more lead).

Next steps for Sherman, IL

Test your own tap with a certified lab first-draw sample; Sherman, 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 Maple Hill Estates 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. This system is in the band the 2027 10 ppb rule changes.