Pushmataha Co. Rwd #5 (Nashoba), OK
Lead detected, under the action levels
Latest 90th-percentile lead: 3.09 ppb (monitoring period 2025-2025). 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.
Pushmataha Co. Rwd #5 (Nashoba) at a glance
Pushmataha Co. Rwd #5 (Nashoba) serves about 725 people through 312 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 surface water, in Pushmataha County, Oklahoma. EPA system ID: OK3006410; phone on file: 918-755-4637. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 5.59 ppb from 8.68 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Pushmataha Co. Rwd #5 (Nashoba) is 11.19 ppb across 18 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.09 ppb |
| 2025 | 8.68 ppb |
| 2024 | 3.81 ppb |
| 2024 | 1.19 ppb |
| 2023 | 2.01 ppb |
| 2022 | 2.39 ppb |
| 2022 | 2.29 ppb |
| 2021 | 1.39 ppb |
| 2021 | 1.94 ppb |
| 2020 | 9.25 ppb |
| 2020 | 9.04 ppb |
| 2019 | 3.53 ppb |
| 2019 | 10.65 ppb over 10 |
| 2018 | 3.32 ppb |
| 2018 | 11.19 ppb over 10 |
| 2018 | 0 (not detected) |
| 2017 | 3.61 ppb |
| 2016 | 0 (not detected) |
Where this result ranks
Of the 870 Oklahoma systems with a lead result, the median latest reading is 0.81 ppb; 6 are over 15 ppb right now and 66 have gone over at some point. Pushmataha Co. Rwd #5 (Nashoba)'s 3.09 ppb sits at the 85th percentile in Oklahoma and the 83rd nationally (higher means more lead).
Nearby utilities
6 other systems share Pushmataha County; 4 of them have a higher latest lead result than Pushmataha Co. Rwd #5 (Nashoba). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Pushmataha Co. Rwd #3 | 4,825 | 3.25 ppb |
| Antlers Pwa | 2,547 | 8.14 ppb |
| Pushmataha Co. Rwd #1 | 1,200 | 13.7 ppb |
| Pushmataha Co. Rwd #2 (Albion) | 959 | 1.88 ppb |
| Clayton Pwa | 719 | 3.28 ppb |
| Sardis Lake Water Authority | 307 | 0.63 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Nashoba, OK 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 Pushmataha Co. Rwd #5 (Nashoba) whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 2142.4 ppb (copper action level 1,300 ppb).
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. Size matters more than most people expect: small vs large water systems.