Clarkston Lake Estates, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 8 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. 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
Clarkston Lake Estates serves about 1,245 people through 498 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Oakland County, Michigan. EPA system ID: MI0040377. Ask the utility on your bill for your address in their service line inventory.
Clarkston Lake Estates's lead record
The highest 90th-percentile result EPA holds for Clarkston Lake Estates is 8 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 8 ppb |
How Clarkston Lake Estates compares
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. Clarkston Lake Estates's 8 ppb sits at the 94th percentile in Michigan and the 96th nationally (higher means more lead).
Neighbouring systems
105 other systems share Oakland County; 5 of them have a higher latest lead result than Clarkston Lake Estates. 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) |
Your move
Test your own tap with a certified lab first-draw sample; Farmington Hills, 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 Clarkston Lake 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.