Prathersville Pws, 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 Prathersville Pws
Prathersville Pws serves about 120 people through 72 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Clay County, Missouri. EPA system ID: MO1011067; phone on file: 816-630-1611. 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 (0.97 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Prathersville Pws is 0.97 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.97 ppb |
| 2022 | 0.97 ppb |
| 2019 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
| 2016 | 0 (not detected) |
How Prathersville Pws 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. Prathersville Pws's reported as 0 (not detected) sits at the 10th percentile in Missouri and the 11th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Clay County
18 other systems share Clay County; 9 of them have a higher latest lead result than Prathersville Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Liberty Pws | 30,800 | 4.61 ppb |
| Gladstone Pws | 27,000 | 4.3 ppb |
| Kearney Pws | 11,500 | 0 (not detected) |
| Excelsior Springs Pws | 11,084 | 0 (not detected) |
| Smithville Pws | 10,885 | 2.69 ppb |
| Clay County Pwsd 6 | 4,912 | 0 (not detected) |
| North Kansas City Pws | 4,500 | 0 (not detected) |
| Clay County Pwsd 2 | 3,485 | 1.05 ppb |
| Clay County Pwsd 3 | 3,447 | 1.62 ppb |
| Clay County Pwsd 9 | 2,465 | 2.13 ppb |
Next steps for Excelsior Springs, MO
Look up your address in Prathersville Pws'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 Prathersville Pws 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.