Diversion Water - Old Mill Settlement, 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 Diversion Water - Old Mill Settlement
Diversion Water - Old Mill Settlement serves about 246 people through 82 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Livingston Parish County, Louisiana. EPA system ID: LA1063115; phone on file: 225-673-8560. 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 Diversion Water - Old Mill Settlement is 0 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 | 0 (not detected) |
| 2017 | 0 (not detected) |
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. Diversion Water - Old Mill Settlement's reported as 0 (not detected) sits at the 7th percentile in Louisiana and the 17th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
22 other systems share Livingston Parish County; 9 of them have a higher latest lead result than Diversion Water - Old Mill Settlement. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Ward Ii Water District | 78,147 | 0 (not detected) |
| City Of Denham Springs Water System | 25,725 | 1 ppb |
| Town Of Walker Water System | 15,813 | 0 (not detected) |
| Town Of Livingston Water System | 8,946 | 0 (not detected) |
| Town Of Albany Water System | 7,305 | 0 (not detected) |
| Fourth Ward Water Works | 4,839 | 0 (not detected) |
| Colyell Community Water | 4,544 | 0 (not detected) |
| Utilities Inc- Whitehall/ Head Of Island | 2,676 | 0.98 ppb |
| Utilities Inc - French Settlement | 2,313 | 1 ppb |
| Utilities Inc- Springfield Area | 1,914 | 1 ppb |
Your move
Look up your address in Diversion Water - Old Mill Settlement'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 Diversion Water - Old Mill Settlement 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.