Warsaw Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.56 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.
Warsaw Pws at a glance
Warsaw Pws serves about 2,402 people through 1,091 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 Benton County, Missouri. EPA system ID: MO3010835; phone on file: 660-438-5522. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 2.56 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Warsaw Pws is 2.56 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.56 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2019 | 1.8 ppb |
| 2018 | 1.8 ppb |
| 2018 | 1.59 ppb |
| 2016 | 1.45 ppb |
Against other Missouri systems
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. Warsaw Pws's 2.56 ppb sits at the 78th percentile in Missouri and the 78th nationally (higher means more lead).
Nearby utilities
24 other systems share Benton County; 3 of them have a higher latest lead result than Warsaw Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Cole Camp Pws | 1,150 | 1.11 ppb |
| Lincoln Pws | 1,100 | 0 (not detected) |
| Sterett Creek Village | 505 | 0.6 ppb |
| Mo American Whitebranch Subd | 450 | 1 ppb |
| Winegars Teal Bend Subd | 400 | 7 ppb |
| Spring Branch Water | 273 | 0 (not detected) |
| Sycamore Valley Subd | 245 | 0.76 ppb |
| Keithley Beach Subd | 240 | 1.74 ppb |
| Blue Branch Improvement Assn Inc | 200 | 1.77 ppb |
| The Missing Well | 173 | 0 (not detected) |
Next steps for Warsaw, MO
Test your own tap with a certified lab first-draw sample; Warsaw, 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 Warsaw 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.