Southwest Wayne Water Assn, MS
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2021-2023). 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 Southwest Wayne Water Assn
Southwest Wayne Water Assn serves about 1,101 people through 417 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 Wayne County, Mississippi. EPA system ID: MS0770007; phone on file: 601-735-2792. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Southwest Wayne Water Assn's lead record
Against the period ending 2020 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Southwest Wayne Water Assn is 1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 1 ppb |
| 2017 | 0.7 ppb |
Where this result ranks
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 Wayne Water Assn's reported as 0 (not detected) sits at the 6th percentile in Mississippi and the 27th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Wayne County
6 other systems share Wayne County; 6 of them have a higher latest lead result than Southwest Wayne Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Buckatunna Water Association | 4,913 | 0.8 ppb |
| City Of Waynesboro | 4,570 | 3.7 ppb |
| Whistler Water Association | 4,116 | 2.4 ppb |
| Hiwannee Water Association #1 | 3,749 | 1.5 ppb |
| Clara Water Association | 1,690 | 6.3 ppb |
| Hiwannee Water Association #2 | 956 | 1.3 ppb |
What to do in your house
Look up your address in Southwest Wayne 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 Wayne 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Small systems behave differently: why small systems go over more often.