Andrew County Pwsd 1, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.16 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
Andrew County Pwsd 1 serves about 6,042 people through 2,426 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 Andrew County, Missouri. EPA system ID: MO1024004. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is up 1.16 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Andrew County Pwsd 1 is 1.16 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.16 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 0 (not detected) |
| 2018 | 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. Andrew County Pwsd 1's 1.16 ppb sits at the 53rd percentile in Missouri and the 58th nationally (higher means more lead).
Nearby utilities
8 other systems share Andrew County; 4 of them have a higher latest lead result than Andrew County Pwsd 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Savannah Pws | 5,249 | 1.55 ppb |
| Andrew County Pwsd 2 | 3,580 | 0 (not detected) |
| Andrew County Pwsd 3 | 1,178 | 0 (not detected) |
| Andrew County Pwsd 4 | 600 | 1.19 ppb |
| Amazonia Pws | 236 | 0 (not detected) |
| Fillmore Pws | 214 | 0 (not detected) |
| Bolckow Pws | 187 | 10.7 ppb |
| Rosendale Pws | 142 | 2.2 ppb |
Next steps for Savannah, MO
Test your own tap with a certified lab first-draw sample; Savannah, 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 Andrew County Pwsd 1 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. The action level is dropping - the 10 ppb rule from 2027.