Seges Mhp, 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 Seges Mhp
Seges Mhp serves about 285 people through 55 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Callaway County, Missouri. EPA system ID: MO2041558; phone on file: 573-340-5810. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (0.92 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Seges Mhp is 1.88 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.92 ppb |
| 2022 | 0.92 ppb |
| 2019 | 1.47 ppb |
| 2019 | 1.47 ppb |
| 2016 | 1.88 ppb |
| 2016 | 1.88 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. Seges Mhp's reported as 0 (not detected) sits at the 18th percentile in Missouri and the 18th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Callaway County
9 other systems share Callaway County; 8 of them have a higher latest lead result than Seges Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Callaway 2 Water District | 13,080 | 1.77 ppb |
| Fulton Pws | 12,600 | 3.98 ppb |
| Callaway County Pwsd 1 | 9,840 | 4.06 ppb |
| Auxvasse Pws | 1,001 | 3.03 ppb |
| New Bloomfield Pws | 669 | 2.54 ppb |
| Mokane Pws | 208 | 0 (not detected) |
| Kingdom City Pws | 128 | 0.66 ppb |
| Mo American Jefferson City North | 95 | 2 ppb |
| Wildwood Lot Owners Assn | 78 | 2.07 ppb |
Next steps for House Springs, MO
Look up your address in Seges Mhp'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 Seges Mhp 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.