Wagoner Co. Rwd #9, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 8 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
Wagoner Co. Rwd #9 serves about 4,363 people through 1,678 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: OK1021527; phone on file: 918-485-9341. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 4 ppb from 4 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Wagoner Co. Rwd #9 is 8 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 8 ppb |
| 2025 | 4 ppb |
| 2025 | 5 ppb |
| 2021 | 2 ppb |
| 2018 | 3 ppb |
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. Wagoner Co. Rwd #9's 8 ppb sits at the 97th percentile in Oklahoma and the 96th nationally (higher means more lead).
Other water systems in Wagoner County
12 other systems share Wagoner County; 1 of them has a higher latest lead result than Wagoner Co. Rwd #9. 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 |
| Coweta Pwa | 9,450 | 6 ppb |
| Wagoner | 7,982 | 2.7 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) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Wagoner, 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 Wagoner Co. Rwd #9 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.