Stoddard County Pwsd 4, MO
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11.5 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Stoddard County Pwsd 4 serves about 1,530 people through 612 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 Stoddard County, Missouri. EPA system ID: MO4024584; phone on file: 573-576-1993. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 3.27 ppb from 8.23 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Stoddard County Pwsd 4 is 11.5 ppb across 8 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 11.5 ppb over 10 |
| 2022 | 8.23 ppb |
| 2021 | 8.23 ppb |
| 2021 | 8.23 ppb |
| 2019 | 3.39 ppb |
| 2018 | 3.39 ppb |
| 2018 | 3.39 ppb |
| 2016 | 11 ppb over 10 |
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. Stoddard County Pwsd 4's 11.5 ppb sits at the 99th percentile in Missouri and the 98th nationally (higher means more lead).
Nearby utilities
15 other systems share Stoddard County; 0 of them have a higher latest lead result than Stoddard County Pwsd 4. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Dexter Pws | 8,200 | 2.03 ppb |
| Stoddard County Pwsd 1 | 3,000 | 1.52 ppb |
| Bloomfield Pws | 1,980 | 0 (not detected) |
| Bernie Pws | 1,898 | 6.43 ppb |
| Advance Pws | 1,400 | 3.1 ppb |
| Puxico Pws | 890 | 0 (not detected) |
| Stoddard County Pwsd 6 | 840 | 1.16 ppb |
| Stoddard County Pwsd 5 | 650 | 0 (not detected) |
| Stoddard County Pwsd 7 | 500 | 0.98 ppb |
| Bell City Pws | 428 | 2.74 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Dexter, 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 Stoddard 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. Why sampled homes are the worst-case ones is in the guide to reading the number. This system is in the band the 2027 10 ppb rule changes.