Oxford Township, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 1.5 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.
Oxford Township at a glance
Oxford Township serves about 10,407 people through 1,724 service connections, which makes it a large 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: MI0005138; phone on file: 248-452-2271. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Oxford Township's lead record
Against the period ending 2021 (1.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Oxford Township is 5.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.5 ppb |
| 2021 | 1.8 ppb |
| 2018 | 5.8 ppb |
| 2018 | 0 (not detected) |
Against other Michigan systems
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. Oxford Township's 1.5 ppb sits at the 56th percentile in Michigan and the 64th nationally (higher means more lead).
Other water systems in Oakland County
105 other systems share Oakland County; 38 of them have a higher latest lead result than Oxford Township. 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 Waterford, MI
Test your own tap with a certified lab first-draw sample; Waterford, 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 Oxford Township 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. Size matters more than most people expect: small vs large water systems.