Town Of Ferriday Water System, LA
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 11.4 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. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
About Town Of Ferriday Water System
Town Of Ferriday Water System serves about 3,816 people through 1,272 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 Concordia Parish County, Louisiana. EPA system ID: LA1029005; phone on file: 318-757-3411. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is up 7.4 ppb from 4 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Town Of Ferriday Water System is 11.4 ppb across 7 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 11.4 ppb over 10 |
| 2022 | 4 ppb |
| 2021 | 2 ppb |
| 2018 | 9 ppb |
| 2017 | 8 ppb |
| 2016 | 6 ppb |
| 2016 | 5 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 Ferriday Water System's 11.4 ppb sits at the 99th percentile in Louisiana and the 98th nationally (higher means more lead).
Nearby utilities
6 other systems share Concordia Parish County; 0 of them have a higher latest lead result than Town Of Ferriday Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Concordia Waterworks District 1 | 6,921 | 3 ppb |
| Town Of Vidalia Water System | 6,354 | 1 ppb |
| Monterey Rural Water System Inc | 5,250 | 2 ppb |
| Lake St John Waterworks District 1 | 2,067 | 0 (not detected) |
| Village Of Clayton Water System | 723 | 2 ppb |
| Village Of Ridgecrest Water Supply | 684 | 1.8 ppb |
Next steps for Ferriday, LA
Test your own tap with a certified lab first-draw sample; Ferriday, 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 Ferriday 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. What a 90th-percentile result does and does not tell you: how to read a lead result. This system is in the band the 2027 10 ppb rule changes.