Lafayette Utilities Water System, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Lafayette Utilities Water System at a glance
Lafayette Utilities Water System serves about 169,389 people through 56,463 service connections, which makes it a very large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Lafayette Parish County, Louisiana. EPA system ID: LA1055017; phone on file: 337-291-5901. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lafayette Utilities Water System's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lafayette Utilities Water System is 2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 2 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. Lafayette Utilities Water System's reported as 0 (not detected) sits at the 45th percentile in Louisiana and the 40th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
33 other systems share Lafayette Parish County; 16 of them have a higher latest lead result than Lafayette Utilities Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lpwdn North Region | 16,833 | 0.5 ppb |
| Lpwd South | 15,132 | 0 (not detected) |
| City Of Carencro Water System | 11,301 | 0.63 ppb |
| City Of Youngsville Purchase Ws | 10,281 | 1 ppb |
| City Of Broussard Purchase Water System | 10,242 | 0.35 ppb |
| Milton Water System | 10,200 | 4 ppb |
| City Of Scott Water System | 9,696 | 0 (not detected) |
| City Of Youngsville Water System | 7,956 | 0 (not detected) |
| City Of Broussard Water System | 5,151 | 0.39 ppb |
| City Of Broussard Hwy 90 Water System | 4,182 | 1 ppb |
What to do in your house
Look up your address in Lafayette Utilities Water System's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Lafayette Utilities 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. Small systems behave differently: why small systems go over more often.