Mcalester Pwa, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 3.6 ppb (monitoring period 2023-2025). 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.
Who runs the water here
Mcalester Pwa serves about 18,206 people through 7,545 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Pittsburg County, Oklahoma. EPA system ID: OK1020609; phone on file: 918-423-9300. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 3.6 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Mcalester Pwa is 3.6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.6 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
How Mcalester Pwa compares
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. Mcalester Pwa's 3.6 ppb sits at the 88th percentile in Oklahoma and the 86th nationally (higher means more lead).
Other water systems in Pittsburg County
21 other systems share Pittsburg County; 2 of them have a higher latest lead result than Mcalester Pwa. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Longtown Rw&Sd #1 (Pittsburg Co.) | 5,444 | 2.1 ppb |
| Adamson Rwd #8 | 4,221 | 6.38 ppb |
| Hartshorne | 2,300 | 2.9 ppb |
| Pittsburg Co. Pwa (Crowder) | 2,203 | 0 (not detected) |
| Krebs Utility Authority | 2,051 | 0 (not detected) |
| Pittsburg Co. Rwd #7 (Arpelar) | 2,040 | 2.31 ppb |
| Indianola Rwd #18 | 2,000 | 0 (not detected) |
| Us Army Ammunition Plant | 1,872 | 1.8 ppb |
| Pittsburg Co. Rwd #5 | 1,750 | 1.4 ppb |
| Pittsburg Co. Rwd #14 | 1,680 | 3.18 ppb |
Next steps for Mcalester, OK
Test your own tap with a certified lab first-draw sample; Mcalester, 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 Mcalester 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. Systems that went over once often dip back under; here is what that means.