Coweta Pwa, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 6 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Coweta Pwa serves about 9,450 people through 6,123 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 surface water, in Wagoner County, Oklahoma. EPA system ID: OK1021509; phone on file: 918-486-8073. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Coweta Pwa's lead record
That is up 6 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Coweta Pwa is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 6 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
Against other Oklahoma systems
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. Coweta Pwa's 6 ppb sits at the 95th percentile in Oklahoma and the 93rd nationally (higher means more lead).
Other water systems in Wagoner County
12 other systems share Wagoner County; 2 of them have a higher latest lead result than Coweta Pwa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Wagoner Co. Rwd #4 | 37,658 | 1 ppb |
| Wagoner | 7,982 | 2.7 ppb |
| Wagoner Co. Rwd #9 | 4,363 | 8 ppb |
| Wagoner Co. Rwd #5 | 4,251 | 0 (not detected) |
| Porter Pwa | 2,400 | 1.4 ppb |
| Wagoner Co. Rwd #2 | 2,000 | 2 ppb |
| Wagoner Co. Rwd #6 | 1,500 | 2.2 ppb |
| Wagoner Co. Rwd #7 (New) | 1,110 | 1.9 ppb |
| Okay Pwa | 767 | 0 (not detected) |
| Wagoner Co. Rwd #1 | 397 | 0 (not detected) |
Next steps for Coweta, OK
Test your own tap with a certified lab first-draw sample; Coweta, 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 Coweta Pwa 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.