Palmyra Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.13 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.
About Palmyra Pws
Palmyra Pws serves about 3,595 people through 1,638 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Marion County, Missouri. EPA system ID: MO2010623; phone on file: 573-822-0933. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 1.13 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Palmyra Pws is 1.29 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.13 ppb |
| 2022 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 1.29 ppb |
| 2019 | 1.29 ppb |
| 2016 | 0 (not detected) |
| 2016 | 0 (not detected) |
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. Palmyra Pws's 1.13 ppb sits at the 52nd percentile in Missouri and the 58th nationally (higher means more lead).
Other water systems in Marion County
27 other systems share Marion County; 4 of them have a higher latest lead result than Palmyra Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hannibal Pws | 17,108 | 5.28 ppb |
| Marion County Pwsd 1 | 4,900 | 3.07 ppb |
| Sun Ray Estates | 1,460 | 0 (not detected) |
| Tradewinds Village | 1,218 | 0 (not detected) |
| Little Lake Weir Subdivision | 1,138 | 0 (not detected) |
| Ocala Heights S/D | 1,045 | 0 (not detected) |
| Ocklawaha Water Works (2 Wtps) | 965 | 0 (not detected) |
| Sandy Acres | 678 | 1.4 ppb |
| Winding Waters | 608 | 0 (not detected) |
| Hilltop At Lake Weir | 595 | 0 (not detected) |
Next steps for Palmyra, MO
Test your own tap with a certified lab first-draw sample; Palmyra, 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 Palmyra 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.