Cedar Grove Village Subd, MO
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). 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 Cedar Grove Village Subd
Cedar Grove Village Subd serves about 60 people through 36 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Warren County, Missouri. EPA system ID: MO6036189; phone on file: 636-262-2650. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cedar Grove Village Subd is 4 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 1.53 ppb |
| 2019 | 1.53 ppb |
| 2019 | 4 ppb |
Against other Missouri systems
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. Cedar Grove Village Subd's reported as 0 (not detected) sits at the 5th percentile in Missouri and the 5th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
15 other systems share Warren County; 9 of them have a higher latest lead result than Cedar Grove Village Subd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Warrenton Pws | 8,208 | 0 (not detected) |
| St Charles Co Pwsd #2 Wright City | 3,550 | 1.14 ppb |
| Marthasville Pws | 1,200 | 0 (not detected) |
| St Charles County Pwsd 2 Warren | 1,192 | 1.22 ppb |
| Lake Sherwood Subd | 1,100 | 3.83 ppb |
| Truesdale Pws | 853 | 0 (not detected) |
| Innsbrook | 810 | 0 (not detected) |
| St Charles County Pwsd 2 North Oak Dr | 660 | 1.26 ppb |
| St Charles County Pwsd 2 Dutzow | 400 | 3.92 ppb |
| Pleasant Oak Mhp | 150 | 0.56 ppb |
What to do in your house
Look up your address in Cedar Grove Village Subd'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 Cedar Grove Village Subd 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. Small systems behave differently: why small systems go over more often.