Pontotoc Co Rwd # 9, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 2.53 ppb (monitoring period 2022-2024). 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.
Pontotoc Co Rwd # 9 at a glance
Pontotoc Co Rwd # 9 serves about 1,162 people through 514 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 Pontotoc County, Oklahoma. EPA system ID: OK3006218; phone on file: 580-265-9393. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Pontotoc Co Rwd # 9's lead record
That is down 6.23 ppb from 8.76 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Pontotoc Co Rwd # 9 is 8.76 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.53 ppb |
| 2021 | 8.76 ppb |
| 2018 | 1.75 ppb |
| 2017 | 5.11 ppb |
| 2016 | 1.91 ppb |
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. Pontotoc Co Rwd # 9's 2.53 ppb sits at the 80th percentile in Oklahoma and the 78th nationally (higher means more lead).
Other water systems in Pontotoc County
9 other systems share Pontotoc County; 1 of them has a higher latest lead result than Pontotoc Co Rwd # 9. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ada | 22,600 | 1.74 ppb |
| Pontotoc Co Rwd # 7 | 4,863 | 1.8 ppb |
| Pontotoc Co Rwd # 8 | 4,250 | 2.26 ppb |
| Allen Pwa | 937 | 0.97 ppb |
| Pontotoc Co Rwd # 6 (Fittstown) | 896 | 6.99 ppb |
| Roff | 800 | 0.93 ppb |
| Stonewall Pwa | 465 | 1.25 ppb |
| Pontotoc Co Rwd # 1 (Homer) | 441 | 2.28 ppb |
| Francis | 390 | 1.15 ppb |
Next steps for Stonewall, OK
Test your own tap with a certified lab first-draw sample; Stonewall, 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 Pontotoc 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. The action level is dropping - the 10 ppb rule from 2027.