Holliday Outt Mhp, OK
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Holliday Outt Mhp
Holliday Outt Mhp serves about 100 people through 57 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Oklahoma County, Oklahoma. EPA system ID: OK2005534; phone on file: 405-470-1614. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Holliday Outt Mhp's lead record
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Holliday Outt Mhp is 43.5 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2025 | 43.5 ppb over 15 |
| 2019 | 0 (not detected) |
| 2016 | 0 (not detected) |
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. Holliday Outt Mhp's reported as 0 (not detected) sits at the 4th percentile in Oklahoma and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
35 other systems share Oklahoma County; 16 of them have a higher latest lead result than Holliday Outt Mhp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Oklahoma City | 644,000 | 0 (not detected) |
| Edmond Pwa | 79,408 | 0 (not detected) |
| Midwest City | 55,935 | 1.2 ppb |
| Tinker Air Force Base | 24,645 | 0 (not detected) |
| Del City | 22,128 | 1.6 ppb |
| Bethany | 20,307 | 0 (not detected) |
| Deer Creek Rural Water Corp | 5,500 | 0 (not detected) |
| Harrah | 4,190 | 1.1 ppb |
| Nichols Hills | 4,020 | 0 (not detected) |
| Choctaw Ua | 3,926 | 11.4 ppb |
Next steps for Oklahoma City, OK
Test your own tap with a certified lab first-draw sample; Oklahoma City, 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 Holliday Outt Mhp 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. More in what a past exceedance means today.