Jeff Davis Central Waterworks District, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 4.2 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.
Who runs the water here
Jeff Davis Central Waterworks District serves about 5,709 people through 1,903 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 Jefferson Davis Parish County, Louisiana. EPA system ID: LA1053012; phone on file: 337-734-2321. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 1.2 ppb from 3 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Jeff Davis Central Waterworks District is 4.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.2 ppb |
| 2022 | 3 ppb |
| 2019 | 3 ppb |
| 2016 | 3 ppb |
Against other Louisiana systems
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. Jeff Davis Central Waterworks District's 4.2 ppb sits at the 94th percentile in Louisiana and the 89th nationally (higher means more lead).
Nearby utilities
7 other systems share Jefferson Davis Parish County; 1 of them has a higher latest lead result than Jeff Davis Central Waterworks District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Jennings Water System | 9,837 | 2 ppb |
| Jeff Davis Water And Sewer Commission 1 | 9,780 | 1 ppb |
| Town Of Welsh Water System | 4,311 | 3 ppb |
| Jeff Davis Water District 4 | 4,194 | 1.4 ppb |
| Town Of Lake Arthur Water System | 2,706 | 0 (not detected) |
| Town Of Elton Water System | 1,512 | 2 ppb |
| Village Of Fenton Water System | 226 | 17 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Welsh, 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 Jeff Davis Central Waterworks District 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.