Prairie Home Pws, MO
Exceeded the action level in the past
Latest 90th-percentile lead: 2.08 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Prairie Home Pws at a glance
Prairie Home Pws serves about 280 people through 144 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Cooper County, Missouri. EPA system ID: MO3010660; phone on file: 660-841-5524. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (2.47 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Prairie Home Pws is 87.9 ppb across 8 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.08 ppb |
| 2022 | 2.47 ppb |
| 2022 | 2.47 ppb |
| 2019 | 0.76 ppb |
| 2019 | 0.76 ppb |
| 2019 | 87.9 ppb over 15 |
| 2016 | 3.92 ppb |
| 2016 | 3.92 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. Prairie Home Pws's 2.08 ppb sits at the 72nd percentile in Missouri and the 73rd nationally (higher means more lead).
Other water systems in Cooper County
7 other systems share Cooper County; 0 of them have a higher latest lead result than Prairie Home Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Boonville Pws | 7,964 | 0 (not detected) |
| Cooper County Consolidated Pwsd # 1 | 2,451 | 1.76 ppb |
| Pilot Grove Pws | 768 | 1.09 ppb |
| Cooper County Pwsd 1 | 562 | 1.3 ppb |
| Otterville Pws | 450 | 0.64 ppb |
| Bunceton Pws | 337 | 1.72 ppb |
| Blackwater Pws | 181 | 0.86 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Prairie Hom, 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 Prairie Home 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. What a 90th-percentile result does and does not tell you: how to read a lead result. More in what a past exceedance means today.