Cedarbrook Estates, MI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
About Cedarbrook Estates
Cedarbrook Estates serves about 1,728 people through 691 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: MI0040375; phone on file: 248-865-0066. They can tell you what your service line is made of and whether they pay to replace it.
Cedarbrook Estates's lead record
The highest 90th-percentile result EPA holds for Cedarbrook Estates is 0 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
How Cedarbrook 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. Cedarbrook Estates's reported as 0 (not detected) sits at the 26th percentile in Michigan and the 30th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
105 other systems share Oakland County; 47 of them have a higher latest lead result than Cedarbrook 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) |
Next steps for Farmington Hills, MI
Look up your address in Cedarbrook Estates's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Cedarbrook 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. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.