Town Of Leonville Water System, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.5 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.
Town Of Leonville Water System at a glance
Town Of Leonville Water System serves about 9,552 people through 3,184 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in St. Landry Parish County, Louisiana. EPA system ID: LA1097005; phone on file: 337-879-2601. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 2.5 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Town Of Leonville Water System is 2.5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.5 ppb |
| 2022 | 0 (not detected) |
| 2019 | 2 ppb |
| 2016 | 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. Town Of Leonville Water System's 2.5 ppb sits at the 86th percentile in Louisiana and the 78th nationally (higher means more lead).
Nearby utilities
26 other systems share St. Landry Parish County; 2 of them have a higher latest lead result than Town Of Leonville 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 Opelousas Water System | 20,388 | 1 ppb |
| Lawco - Eunice Water System | 15,471 | 2 ppb |
| Lewisburg Bellevue Water System | 8,325 | 0 (not detected) |
| Savoy Swords Water System Inc | 7,326 | 2 ppb |
| Plaisance Water System | 6,465 | 0 (not detected) |
| Prairie Ronde Water System Inc | 6,105 | 0 (not detected) |
| St Landry Water Works District 2 Rural | 4,761 | 0.92 ppb |
| Town Of Sunset Water System | 4,356 | 0.39 ppb |
| Town Of Port Barre Water System | 3,828 | 0.75 ppb |
| Lawtell Water Works District No 1 | 3,717 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Leonville, 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 Town Of Leonville 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. Systems that went over once often dip back under; here is what that means.