Old River Water Assn, MS
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.
About Old River Water Assn
Old River Water Assn serves about 3,234 people through 1,225 service connections, which makes it a small system under EPA's size classes. It is under mixed public and private ownership and draws groundwater, in Wilkinson County, Mississippi. EPA system ID: MS0790005; phone on file: 601-888-3782. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (0.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Old River Water Assn is 0.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.8 ppb |
| 2019 | 0.5 ppb |
| 2016 | 0.6 ppb |
Against other Mississippi systems
Of the 973 Mississippi systems with a lead result, the median latest reading is 1 ppb; 9 are over 15 ppb right now and 44 have gone over at some point. Old River Water Assn's reported as 0 (not detected) sits at the 14th percentile in Mississippi 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 Wilkinson County
8 other systems share Wilkinson County; 6 of them have a higher latest lead result than Old River Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Town Of Woodville | 2,772 | 6.8 ppb |
| South Centreville W/A | 1,375 | 0 (not detected) |
| Town Of Centreville | 1,207 | 0.7 ppb |
| Buffalo Water Association | 972 | 3 ppb |
| Wilkinson Co Correctional Cent | 889 | 0 (not detected) |
| Bleakhouse Water Association | 412 | 2 ppb |
| Bleakhouse Water Association #2 | 153 | 2.9 ppb |
| Old River Water Assn- Fords Creek | 55 | 3.8 ppb |
Next steps for Woodville, MS
Look up your address in Old River Water Assn'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 Old River Water Assn 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.