Oronogo Pws, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 1.24 ppb (monitoring period 2024-2026). 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.
Oronogo Pws at a glance
Oronogo Pws serves about 2,719 people through 1,280 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 Jasper County, Missouri. EPA system ID: MO5010606; phone on file: 417-673-4541. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Oronogo Pws's lead record
Against the period ending 2023 (1.35 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Oronogo Pws is 6.09 ppb across 8 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.24 ppb |
| 2023 | 1.35 ppb |
| 2023 | 1.35 ppb |
| 2020 | 1.76 ppb |
| 2020 | 1.76 ppb |
| 2017 | 6.09 ppb |
| 2017 | 6.09 ppb |
| 2016 | 1.66 ppb |
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. Oronogo Pws's 1.24 ppb sits at the 55th percentile in Missouri and the 60th nationally (higher means more lead).
Nearby utilities
16 other systems share Jasper County; 10 of them have a higher latest lead result than Oronogo Pws. 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 1 | 5,500 | 2.82 ppb |
| Jasper County Pwsd 2 | 3,383 | 0 (not detected) |
| 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 |
Next steps for Orongo, MO
Test your own tap with a certified lab first-draw sample; Orongo, 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 Oronogo 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.