Hartshorne, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 2.9 ppb (monitoring period 2021-2023). 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.
Hartshorne at a glance
Hartshorne serves about 2,300 people through 899 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 surface water, in Pittsburg County, Oklahoma. EPA system ID: OK3006101; phone on file: 918-916-1127. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 6.12 ppb from 9.02 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Hartshorne is 9.02 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2.9 ppb |
| 2020 | 9.02 ppb |
| 2017 | 4.3 ppb |
How Hartshorne 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. Hartshorne's 2.9 ppb sits at the 84th percentile in Oklahoma and the 80th nationally (higher means more lead).
Nearby utilities
21 other systems share Pittsburg County; 5 of them have a higher latest lead result than Hartshorne. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mcalester Pwa | 18,206 | 3.6 ppb |
| Longtown Rw&Sd #1 (Pittsburg Co.) | 5,444 | 2.1 ppb |
| Adamson Rwd #8 | 4,221 | 6.38 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 |
Your move
Test your own tap with a certified lab first-draw sample; Hartshorne, 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 Hartshorne 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.