Deerwood Subdivision, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2022-2024). 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.
Deerwood Subdivision at a glance
Deerwood Subdivision serves about 1,824 people through 608 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 groundwater, in Oakland County, Michigan. EPA system ID: MI0001773; phone on file: 248-625-8222. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Deerwood Subdivision's lead record
Against the period ending 2021 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Deerwood Subdivision is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 1 ppb |
| 2018 | 3 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. Deerwood Subdivision's 2 ppb sits at the 66th percentile in Michigan and the 72nd nationally (higher means more lead).
Neighbouring systems
105 other systems share Oakland County; 30 of them have a higher latest lead result than Deerwood Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Troy | 85,854 | 0 (not detected) |
| Rochester Hills | 74,000 | 1.3 ppb |
| Waterford Township | 73,441 | 1 ppb |
| Southfield | 71,739 | 0 (not detected) |
| Pontiac | 63,776 | 1.6 ppb |
| Royal Oak, City Of | 57,236 | 4 ppb |
| Farmington Hills, City Of | 56,984 | 0 (not detected) |
| Novi, City Of | 56,780 | 0 (not detected) |
| West Bloomfield Township | 49,479 | 0 (not detected) |
| Bloomfield Township | 41,691 | 0 (not detected) |
Next steps for Clarkston, MI
Test your own tap with a certified lab first-draw sample; Clarkston, 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 Deerwood Subdivision 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.