Jasper County Pwsd 1, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 2.82 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. 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.
Jasper County Pwsd 1 at a glance
Jasper County Pwsd 1 serves about 5,500 people through 2,263 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 Jasper County, Missouri. EPA system ID: MO5024286; phone on file: 417-781-8844. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Jasper County Pwsd 1's lead record
Against the period ending 2022 (2.22 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Jasper County Pwsd 1 is 2.82 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.82 ppb |
| 2022 | 2.22 ppb |
| 2022 | 2.22 ppb |
| 2019 | 1.42 ppb |
| 2019 | 1.42 ppb |
| 2016 | 2.79 ppb |
| 2016 | 2.79 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. Jasper County Pwsd 1's 2.82 ppb sits at the 80th percentile in Missouri and the 80th nationally (higher means more lead).
Neighbouring systems
16 other systems share Jasper County; 5 of them have a higher latest lead result than Jasper County Pwsd 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mo American Joplin | 73,728 | 4 ppb |
| Carthage Pws | 14,600 | 1.86 ppb |
| Webb City Pws | 13,404 | 3.58 ppb |
| Carl Junction Pws | 8,142 | 1.47 ppb |
| Jasper County Pwsd 2 | 3,383 | 0 (not detected) |
| Oronogo Pws | 2,719 | 1.24 ppb |
| Carterville Pws | 1,982 | 1.64 ppb |
| Jasper County Pwsd 3 | 1,900 | 0 (not detected) |
| Sarcoxie Pws | 1,539 | 3.35 ppb |
| Duenweg Pws | 1,469 | 3 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Carl Junction, 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 Jasper 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.