Village Of Mermentau 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.
About Village Of Mermentau Water System
Village Of Mermentau Water System serves about 780 people through 260 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Acadia Parish County, Louisiana. EPA system ID: LA1001005; phone on file: 337-824-8466. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2 ppb from 3 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Village Of Mermentau Water System is 4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1 ppb |
| 2023 | 3 ppb |
| 2020 | 4 ppb |
| 2017 | 4 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. Village Of Mermentau Water System's 1 ppb sits at the 58th percentile in Louisiana and the 53rd nationally (higher means more lead).
Nearby utilities
11 other systems share Acadia Parish County; 5 of them have a higher latest lead result than Village Of Mermentau Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lawco - Crowley Water System | 17,634 | 3 ppb |
| City Of Rayne Water System | 10,908 | 0 (not detected) |
| Mire Branch Water Corporation | 9,480 | 2 ppb |
| Egan Water Corporation | 5,337 | 0 (not detected) |
| South Rayne Water Corporation | 4,254 | 1 ppb |
| Town Of Church Point Water System | 4,176 | 1 ppb |
| North Of Crowley Water Corporation | 4,020 | 2 ppb |
| Egan Water Corporation No 2 | 2,835 | 0.63 ppb |
| Town Of Iota Water System | 1,842 | 2 ppb |
| Village Of Morse Water System | 1,065 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Mermentau, 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 Village Of Mermentau 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. The action level is dropping - the 10 ppb rule from 2027.