Fort Sill Hqusafacfs, OK
Lead detected, under the action levels
Latest 90th-percentile lead: 1.16 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.
Fort Sill Hqusafacfs at a glance
Fort Sill Hqusafacfs serves about 23,000 people through 2,456 service connections, which makes it a large system under EPA's size classes. It is federally owned and draws surface water, in Comanche County, Oklahoma. EPA system ID: OK3001601; phone on file: 580-248-3034. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Fort Sill Hqusafacfs's lead record
Against the period ending 2021 (1.72 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Fort Sill Hqusafacfs is 1.72 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.16 ppb |
| 2021 | 1.72 ppb |
| 2018 | 0 (not detected) |
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. Fort Sill Hqusafacfs's 1.16 ppb sits at the 57th percentile in Oklahoma and the 58th nationally (higher means more lead).
Nearby utilities
22 other systems share Comanche County; 9 of them have a higher latest lead result than Fort Sill Hqusafacfs. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lawton | 92,757 | 1.6 ppb |
| Elgin Pwa | 3,300 | 0 (not detected) |
| Comanche Co Rwd #4 | 3,000 | 1.53 ppb |
| Comanche Co Rwd #1 | 2,800 | 0 (not detected) |
| Cache | 2,371 | 0 (not detected) |
| Comanche Co Rwd #3 | 2,325 | 3.33 ppb |
| Comanche Co Rwd #2 | 1,840 | 1.12 ppb |
| Geronimo | 1,200 | 0 (not detected) |
| Fletcher | 1,022 | 0 (not detected) |
| Pecan Valley Rwd | 1,000 | 4.06 ppb |
Next steps for Fort Still, OK
Test your own tap with a certified lab first-draw sample; Fort Still, 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 Fort Sill Hqusafacfs 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. The action level is dropping - the 10 ppb rule from 2027.