Fort Polk South Water System, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2024-2026). 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 Polk South Water System at a glance
Fort Polk South Water System serves about 10,902 people through 1,870 service connections, which makes it a large system under EPA's size classes. It is federally owned and draws groundwater, in Vernon Parish County, Louisiana. EPA system ID: LA1115065; phone on file: 337-537-1161. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Fort Polk South Water System is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1 ppb |
| 2023 | 0 (not detected) |
| 2020 | 1 ppb |
| 2017 | 1 ppb |
Where this result ranks
Of the 802 Louisiana systems with a lead result, the median latest reading is 0.72 ppb; 4 are over 15 ppb right now and 30 have gone over at some point. Fort Polk South Water System's 1 ppb sits at the 65th percentile in Louisiana and the 55th nationally (higher means more lead).
Nearby utilities
14 other systems share Vernon Parish County; 5 of them have a higher latest lead result than Fort Polk South Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Leesville Water System | 10,545 | 1 ppb |
| Fort Polk North Water System | 9,420 | 1.1 ppb |
| East Central Vernon Water System | 6,363 | 2 ppb |
| Vernon Parish Water And Sewer Commission | 5,295 | 3.1 ppb |
| West Vernon Parish Waterworks District | 4,365 | 0 (not detected) |
| South Vernon Parish Waterworks District | 4,083 | 2 ppb |
| Town Of New Llano Water System | 3,300 | 1 ppb |
| Town Of Hornbeck Water System | 2,730 | 0 (not detected) |
| Town Of Rosepine Water System | 2,427 | 0 (not detected) |
| Fort Polk North Housing Water System | 2,155 | 0.72 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Fort Polk, LA 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 Polk South Water System 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. Size matters more than most people expect: small vs large water systems.