Christian County Pwsd 1, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 0.68 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.
About Christian County Pwsd 1
Christian County Pwsd 1 serves about 325 people through 98 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 Christian County, Missouri. EPA system ID: MO5024133; phone on file: 417-634-2033. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 3.62 ppb from 4.3 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Christian County Pwsd 1 is 4.3 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0.68 ppb |
| 2022 | 4.3 ppb |
| 2021 | 4.3 ppb |
| 2021 | 4.3 ppb |
| 2019 | 0.79 ppb |
| 2018 | 0.79 ppb |
| 2018 | 0.79 ppb |
| 2016 | 2.02 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. Christian County Pwsd 1's 0.68 ppb sits at the 44th percentile in Missouri and the 46th nationally (higher means more lead).
Neighbouring systems
28 other systems share Christian County; 13 of them have a higher latest lead result than Christian County Pwsd 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Nixa Pws | 24,532 | 1.12 ppb |
| Ozark Pws | 23,248 | 1.21 ppb |
| Nixa Pws Rde | 2,900 | 1.64 ppb |
| Clever Pws | 2,139 | 2.14 ppb |
| Sparta Pws | 1,946 | 0 (not detected) |
| Highlandville Pws | 1,417 | 2.13 ppb |
| Billings Pws | 1,035 | 1.17 ppb |
| Mo American Saddlebrooke Village Of | 440 | 0 (not detected) |
| Liberty Utilities Midland | 240 | 0 (not detected) |
| Nixa Pws Tuscany | 175 | 0.78 ppb |
Next steps for Chadwick, MO
Test your own tap with a certified lab first-draw sample; Chadwick, 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 Christian 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. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.