New Madrid County Pwsd 4, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.9 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.
About New Madrid County Pwsd 4
New Madrid County Pwsd 4 serves about 673 people through 269 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: MO4024418; phone on file: 573-258-7676. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 1.11 ppb from 1.79 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for New Madrid County Pwsd 4 is 2.9 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.9 ppb |
| 2021 | 1.79 ppb |
| 2018 | 2.84 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. New Madrid County Pwsd 4's 2.9 ppb sits at the 81st percentile in Missouri and the 80th nationally (higher means more lead).
Nearby utilities
13 other systems share New Madrid County; 6 of them have a higher latest lead result than New Madrid County Pwsd 4. 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 |
| Lilbourn Pws | 902 | 0 (not detected) |
| Gideon Pws | 780 | 5.86 ppb |
| Morehouse Pws | 749 | 6.52 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 Canalou, MO
Test your own tap with a certified lab first-draw sample; Canalou, 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 New Madrid County Pwsd 4 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. Size matters more than most people expect: small vs large water systems.