Lilbourn Pws, MO
Exceeded the action level in the past
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 result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Lilbourn Pws serves about 902 people through 392 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in New Madrid County, Missouri. EPA system ID: MO4010468; phone on file: 573-688-2584. They can tell you what your service line is made of and whether they pay to replace it.
Lilbourn Pws's lead record
That is down 2.5 ppb from 2.5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Lilbourn Pws is 20.4 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 2.5 ppb |
| 2022 | 2.5 ppb |
| 2019 | 5 ppb |
| 2019 | 3.1 ppb |
| 2019 | 20.4 ppb over 15 |
| 2016 | 2.5 ppb |
| 2016 | 2.5 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. Lilbourn Pws's reported as 0 (not detected) sits at the 29th percentile in Missouri and the 26th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
13 other systems share New Madrid County; 10 of them have a higher latest lead result than Lilbourn Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| New Madrid Pws | 3,250 | 0 (not detected) |
| Portageville Pws | 3,200 | 6.15 ppb |
| New Madrid County Pwsd 5 | 1,800 | 3.15 ppb |
| Gideon Pws | 780 | 5.86 ppb |
| Morehouse Pws | 749 | 6.52 ppb |
| New Madrid County Pwsd 4 | 673 | 2.9 ppb |
| Matthews Pws | 628 | 3.28 ppb |
| New Madrid County Pwsd 2 | 600 | 2.06 ppb |
| Marston Pws | 503 | 0 (not detected) |
| New Madrid County Pwsd # 6 | 500 | 2.18 ppb |
Next steps for Lilbourn, MO
Test your own tap with a certified lab first-draw sample; Lilbourn, 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 Lilbourn 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. Why an old exceedance still matters: over the limit before, under it now.