Maryville Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 6.05 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.
Maryville Pws at a glance
Maryville Pws serves about 10,775 people through 4,221 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 Nodaway County, Missouri. EPA system ID: MO1010508; phone on file: 660-562-8001. 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 1.26 ppb from 4.79 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Maryville Pws is 6.17 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 6.05 ppb |
| 2021 | 4.79 ppb |
| 2021 | 4.79 ppb |
| 2018 | 6.17 ppb |
| 2018 | 6.17 ppb |
How Maryville 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. Maryville Pws's 6.05 ppb sits at the 94th percentile in Missouri and the 93rd nationally (higher means more lead).
Neighbouring systems
11 other systems share Nodaway County; 0 of them have a higher latest lead result than Maryville Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nodaway County Pwsd 1 | 6,428 | 1.41 ppb |
| Burlington Junction Pws | 630 | 1.53 ppb |
| Hopkins Pws | 550 | 1.77 ppb |
| Ravenwood Pws | 420 | 0 (not detected) |
| Skidmore Pws | 230 | 5.74 ppb |
| Barnard Pws | 220 | 2.9 ppb |
| Clearmont Pws | 210 | 1.8 ppb |
| Conception Junction Pws | 192 | 0 (not detected) |
| Graham Pws | 170 | 0.85 ppb |
| Elmo Pws | 169 | 0 (not detected) |
Next steps for Maryville, MO
Test your own tap with a certified lab first-draw sample; Maryville, 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 Maryville 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. The action level is dropping - the 10 ppb rule from 2027.