Mo American Jefferson City North, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2 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.
Mo American Jefferson City North at a glance
Mo American Jefferson City North serves about 95 people through 38 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: MO3010146; phone on file: 636-263-7370. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Mo American Jefferson City North's lead record
Against the period ending 2021 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mo American Jefferson City North is 2 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 2 ppb |
| 2021 | 2 ppb |
| 2018 | 0 (not detected) |
| 2018 | 1 ppb |
How Mo American Jefferson City North compares
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. Mo American Jefferson City North's 2 ppb sits at the 70th percentile in Missouri and the 70th nationally (higher means more lead).
Neighbouring systems
9 other systems share Callaway County; 5 of them have a higher latest lead result than Mo American Jefferson City North. 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 |
| Seges Mhp | 285 | 0 (not detected) |
| Mokane Pws | 208 | 0 (not detected) |
| Kingdom City Pws | 128 | 0.66 ppb |
| Wildwood Lot Owners Assn | 78 | 2.07 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Cottleville, MO 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 Mo American Jefferson City North 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.