Lawrence County 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 Lawrence County Water Assn
Lawrence County Water Assn serves about 2,100 people through 840 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 Lawrence County, Mississippi. EPA system ID: MS0390002; phone on file: 601-587-4530. They can tell you what your service line is made of and whether they pay to replace it.
Lawrence County Water Assn's lead record
Against the period ending 2020 (0.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Lawrence County Water Assn is 1.4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0.6 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. Lawrence County Water Assn's reported as 0 (not detected) sits at the 11th percentile in Mississippi and the 31st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Lawrence County
8 other systems share Lawrence County; 7 of them have a higher latest lead result than Lawrence County Water Assn. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Jayess-Topeka-Tilton W/A | 3,450 | 2.2 ppb |
| Sontag-Wanilla | 1,484 | 0.9 ppb |
| Town Of Monticello | 1,400 | 1.8 ppb |
| Crooked Creek W/A - North | 1,100 | 0.9 ppb |
| Crooked Creek W/A - South | 1,100 | 2.4 ppb |
| Town Of Silver Creek | 401 | 0 (not detected) |
| Mt Zion W/A | 400 | 0.6 ppb |
| Town Of New Hebron | 386 | 26.9 ppb |
Next steps for Monticello, MS
Look up your address in Lawrence County 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 Lawrence County 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.