Buttonwood Bay Mhp, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 3.8 ppb (monitoring period 2024-2024). 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.
Who runs the water here
Buttonwood Bay Mhp serves about 2,000 people through 976 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Highlands County, Michigan. EPA system ID: FL6284075; phone on file: 863-655-1122. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 1.6 ppb from 2.2 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Buttonwood Bay Mhp is 3.8 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 3.8 ppb |
| 2021 | 2.2 ppb |
| 2020 | 1 ppb |
| 2019 | 1.4 ppb |
| 2019 | 0 (not detected) |
| 2018 | 1.4 ppb |
Where this result ranks
Of the 1,227 Michigan systems with a lead result, the median latest reading is 1 ppb; 31 are over 15 ppb right now and 109 have gone over at some point. Buttonwood Bay Mhp's 3.8 ppb sits at the 81st percentile in Michigan and the 86th nationally (higher means more lead).
Your move
Test your own tap with a certified lab first-draw sample; Southfield, MI 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 Buttonwood Bay Mhp 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.