Jamesport Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 4.31 ppb (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. 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.
Who runs the water here
Jamesport Pws serves about 567 people through 314 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 Daviess County, Missouri. EPA system ID: MO1010406; phone on file: 660-684-6111. 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 2.78 ppb from 1.53 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Jamesport Pws is 4.31 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.31 ppb |
| 2022 | 1.53 ppb |
| 2022 | 1.53 ppb |
| 2019 | 2.96 ppb |
| 2019 | 2.96 ppb |
| 2016 | 3.51 ppb |
| 2016 | 3.51 ppb |
How Jamesport 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. Jamesport Pws's 4.31 ppb sits at the 89th percentile in Missouri and the 89th nationally (higher means more lead).
Neighbouring systems
8 other systems share Daviess County; 0 of them have a higher latest lead result than Jamesport Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Daviess County Pwsd 2 | 2,448 | 1.71 ppb |
| Daviess County Pwsd 1 | 2,165 | 1.45 ppb |
| Gallatin Pws | 1,821 | 2.26 ppb |
| Daviess County Pwsd 3 | 400 | 0 (not detected) |
| Pattonsburg Pws | 315 | 0 (not detected) |
| Altamont Pws | 207 | 2.41 ppb |
| Coffey Pws | 166 | 0 (not detected) |
| Jameson | 121 | - |
Next steps for Jamesport, MO
Test your own tap with a certified lab first-draw sample; Jamesport, 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 Jamesport 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. Size matters more than most people expect: small vs large water systems.