Eleven Oaks Subdivision, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Eleven Oaks Subdivision at a glance
Eleven Oaks Subdivision serves about 105 people through 42 service connections, which makes it a very small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Marion County, Missouri. EPA system ID: FL3424099; phone on file: 314-736-4672. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Eleven Oaks Subdivision is 1.4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 1.4 ppb |
Where this result ranks
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Eleven Oaks Subdivision's reported as 0 (not detected) sits at the 9th percentile in Missouri and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
27 other systems share Marion County; 5 of them have a higher latest lead result than Eleven Oaks Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hannibal Pws | 17,108 | 5.28 ppb |
| Marion County Pwsd 1 | 4,900 | 3.07 ppb |
| Palmyra Pws | 3,595 | 1.13 ppb |
| Sun Ray Estates | 1,460 | 0 (not detected) |
| Tradewinds Village | 1,218 | 0 (not detected) |
| Little Lake Weir Subdivision | 1,138 | 0 (not detected) |
| Ocala Heights S/D | 1,045 | 0 (not detected) |
| Ocklawaha Water Works (2 Wtps) | 965 | 0 (not detected) |
| Sandy Acres | 678 | 1.4 ppb |
| Winding Waters | 608 | 0 (not detected) |
Next steps for Des Peres, MO
Look up your address in Eleven Oaks Subdivision'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 Eleven Oaks 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. 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.