Southwest Leake Water Assn, MS
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.
Who runs the water here
Southwest Leake Water Assn serves about 2,463 people through 821 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 Leake County, Mississippi. EPA system ID: MS0400008; phone on file: 601-940-9699. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 2.6 ppb from 2.6 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Southwest Leake Water Assn is 2.6 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 2.6 ppb |
| 2020 | 1 ppb |
| 2017 | 1.4 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. Southwest Leake Water Assn's reported as 0 (not detected) sits at the 12th percentile in Mississippi and the 32nd 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 Leake County; 11 of them have a higher latest lead result than Southwest Leake Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Carthage | 4,901 | 1 ppb |
| Freeny W/A #1 | 2,962 | 0.7 ppb |
| Freeny W/A #2-Rosebud System | 2,550 | 0.5 ppb |
| New Providence Water Assn | 2,226 | 2 ppb |
| Marydell Water Association | 1,573 | 1 ppb |
| Edinburg Domestic Water Association | 1,375 | 0.8 ppb |
| Thomastown Water Association | 908 | 0.6 ppb |
| Town Of Walnut Grove | 510 | 1.8 ppb |
| Goshen Water Association | 380 | 0.3 ppb |
| Pilgrim Rest Water Association | 359 | 1.4 ppb |
Next steps for Lena, MS
Look up your address in Southwest Leake 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 Southwest Leake 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. The lead result guide covers how utilities pick the homes they sample. Small systems behave differently: why small systems go over more often.