Lasalle Waterworks District 1, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
About Lasalle Waterworks District 1
Lasalle Waterworks District 1 serves about 3,240 people through 1,080 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 La Salle Parish County, Louisiana. EPA system ID: LA1059002; phone on file: 318-992-4777. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 2 ppb from 2 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Lasalle Waterworks District 1 is 6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 2 ppb |
| 2020 | 2 ppb |
| 2017 | 6 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. Lasalle Waterworks District 1's reported as 0 (not detected) sits at the 32nd percentile in Louisiana and the 33rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
11 other systems share La Salle Parish County; 6 of them have a higher latest lead result than Lasalle Waterworks District 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Town Of Jena Water System | 3,614 | 0 (not detected) |
| Town Of Olla Water System | 2,565 | 0 (not detected) |
| Nebo Water System Inc | 2,460 | 1.6 ppb |
| Belah Fellowship Water System | 1,806 | 2 ppb |
| Summerville Water System | 1,425 | 3 ppb |
| East Jena Water System Inc. | 990 | 2 ppb |
| Village Of Tullos Water System | 792 | 0 (not detected) |
| Village Of Urania Water System | 784 | 0 (not detected) |
| Whitehall Water System Inc | 627 | 0.69 ppb |
| Pleasant Ridge Water System | 540 | 0 (not detected) |
Next steps for Trout, LA
Look up your address in Lasalle Waterworks District 1'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 Lasalle Waterworks District 1 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. A zero today does not rule out a jump later - the rules are tightening in 2027.