St Martin Water Works District 3 - Cade, 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 St Martin Water Works District 3 - Cade
St Martin Water Works District 3 - Cade serves about 3,249 people through 1,083 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 St. Martin Parish County, Louisiana. EPA system ID: LA1099028; phone on file: 337-523-6718. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for St Martin Water Works District 3 - Cade is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2020 | 3 ppb |
| 2017 | 1 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. St Martin Water Works District 3 - Cade's reported as 0 (not detected) sits at the 33rd 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
13 other systems share St. Martin Parish County; 9 of them have a higher latest lead result than St Martin Water Works District 3 - Cade. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Village Of Parks Water System | 12,801 | 0 (not detected) |
| Cecilia Water Corporation | 12,420 | 3 ppb |
| Bayou Teche Water Works | 10,137 | 3 ppb |
| City Of Breaux Bridge Water System | 10,098 | 0 (not detected) |
| City Of St. Martinville Water System | 7,263 | 7 ppb |
| Henderson Nina Water System Inc | 6,010 | 4.6 ppb |
| United Water System | 4,446 | 2 ppb |
| Town Of Arnaudville Water System | 3,957 | 0 (not detected) |
| St Martin Water District 4 - Catahoula | 3,000 | 1 ppb |
| St Martin Water And Sewer Commission 1 | 2,262 | 1 ppb |
Your move
Look up your address in St Martin Water Works District 3 - Cade'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 St Martin Water Works District 3 - Cade 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. Why sampled homes are the worst-case ones is in the guide to reading the number. A zero today does not rule out a jump later - the rules are tightening in 2027.