Maplewood Mac Llc, MD
Lead detected, under the action levels
Latest 90th-percentile lead: 5 ppb (monitoring period 2026-2028). 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.
Maplewood Mac Llc at a glance
Maplewood Mac Llc serves about 270 people through 113 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Champaign County, Maryland. EPA system ID: IL0190660; phone on file: 585-233-2498. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Maplewood Mac Llc's lead record
That is up 5 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Maplewood Mac Llc is 5 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 5 ppb |
| 2025 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
Against other Maryland systems
Of the 437 Maryland systems with a lead result, the median latest reading is 0 ppb; 3 are over 15 ppb right now and 21 have gone over at some point. Maplewood Mac Llc's 5 ppb sits at the 92nd percentile in Maryland and the 91st nationally (higher means more lead).
Neighbouring systems
7 other systems share Champaign County; 1 of them has a higher latest lead result than Maplewood Mac Llc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ilur Liberty Commons Mhp Llc | 865 | 0 (not detected) |
| Heritage Of Rantoul | 500 | 1.1 ppb |
| Ilur Woods Edge Mhp Llc | 373 | 2.2 ppb |
| Ilur Portfolio 5-Surbana Estates Mhp Llc | 209 | 8 ppb |
| Ilur Portfolios - Carriage Estates Llc | 115 | 0 (not detected) |
| Ilur Portfolio 5 - Wilson Mhp Llc | 62 | 0 (not detected) |
| Ilur Portfolio 5 - Trailside Mhp Llc | 62 | 0 (not detected) |
Next steps for Crofton, MD
Test your own tap with a certified lab first-draw sample; Crofton, MD 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 Maplewood Mac Llc 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. Systems that went over once often dip back under; here is what that means.