North Blaine Water Corp, OK
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11.6 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
North Blaine Water Corp at a glance
North Blaine Water Corp serves about 960 people through 1,032 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Blaine County, Oklahoma. EPA system ID: OK2000606; phone on file: 580-822-3444. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 7.3 ppb from 4.3 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for North Blaine Water Corp is 11.6 ppb across 7 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 11.6 ppb over 10 |
| 2024 | 4.3 ppb |
| 2023 | 4.4 ppb |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 5.2 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. North Blaine Water Corp's 11.6 ppb sits at the 99th percentile in Oklahoma and the 98th nationally (higher means more lead).
Other water systems in Blaine County
7 other systems share Blaine County; 1 of them has a higher latest lead result than North Blaine Water Corp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Watonga | 2,816 | 1.8 ppb |
| Geary | 1,258 | 0 (not detected) |
| Okeene | 1,240 | 3.5 ppb |
| Canton | 650 | 0 (not detected) |
| Longdale | 363 | 0 (not detected) |
| Hitchcock Public Works Auth. | 141 | 1.2 ppb |
| Greenfield Pwa | 123 | 30.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Okeene, 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 North Blaine Water Corp whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1850 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. This system is in the band the 2027 10 ppb rule changes.