Darbonne Ws North, 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.
Darbonne Ws North at a glance
Darbonne Ws North serves about 3,186 people through 1,062 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Union Parish County, Louisiana. EPA system ID: LA1111024; phone on file: 318-285-7407. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Darbonne Ws North is 4 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 | 1 ppb |
| 2016 | 4 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. Darbonne Ws North'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.
Other water systems in Union Parish County
17 other systems share Union Parish County; 10 of them have a higher latest lead result than Darbonne Ws North. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Town Of Farmerville Water System | 5,352 | 1.3 ppb |
| Darbonne Ws South | 3,261 | 0 (not detected) |
| Holmesville Water System | 2,406 | 0 (not detected) |
| Point Wilhite Ws | 2,292 | 0 (not detected) |
| Town Of Bernice Water System | 1,863 | 0 (not detected) |
| Rocky Branch Water System | 1,650 | 1.6 ppb |
| Linville-Haile Water System | 1,635 | 2.4 ppb |
| Union Parish Waterworks District 1 | 1,626 | 0.75 ppb |
| Wards Chapel Water System | 1,620 | 1.2 ppb |
| Village Of Marion Water System | 1,533 | 2 ppb |
What to do in your house
Look up your address in Darbonne Ws North'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 Darbonne Ws North 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. Small systems behave differently: why small systems go over more often.