Hannibal Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 5.28 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.
Who runs the water here
Hannibal Pws serves about 17,108 people through 7,348 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Marion County, Missouri. EPA system ID: MO2010344; phone on file: 573-221-8050. They can tell you what your service line is made of and whether they pay to replace it.
Hannibal Pws's lead record
That is up 2.45 ppb from 2.83 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Hannibal Pws is 5.28 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 5.28 ppb |
| 2022 | 2.83 ppb |
| 2021 | 2.83 ppb |
| 2021 | 2.83 ppb |
| 2019 | 3.43 ppb |
| 2018 | 3.43 ppb |
| 2018 | 3.43 ppb |
| 2016 | 3.12 ppb |
How Hannibal 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. Hannibal Pws's 5.28 ppb sits at the 92nd percentile in Missouri and the 92nd nationally (higher means more lead).
Nearby utilities
27 other systems share Marion County; 0 of them have a higher latest lead result than Hannibal Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marion County Pwsd 1 | 4,900 | 3.07 ppb |
| Palmyra Pws | 3,595 | 1.13 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 Hannibal, MO
Test your own tap with a certified lab first-draw sample; Hannibal, 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 Hannibal 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.