Casey Jones Water Assn., MS
Lead detected, under the action levels
Latest 90th-percentile lead: 1.9 ppb (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. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Casey Jones Water Assn.
Casey Jones Water Assn. serves about 1,146 people through 434 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 Yazoo County, Mississippi. EPA system ID: MS0820003; phone on file: 662-571-0512. They can tell you what your service line is made of and whether they pay to replace it.
Casey Jones Water Assn.'s lead record
Against the period ending 2022 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Casey Jones Water Assn. is 2.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.9 ppb |
| 2022 | 1.2 ppb |
| 2019 | 1.6 ppb |
| 2016 | 2.2 ppb |
How Casey Jones Water Assn. compares
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. Casey Jones Water Assn.'s 1.9 ppb sits at the 76th percentile in Mississippi and the 69th nationally (higher means more lead).
Nearby utilities
16 other systems share Yazoo County; 5 of them have a higher latest lead result than Casey Jones 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 Yazoo City | 9,913 | 0.6 ppb |
| Central Yazoo #1 Fletchers Ch. | 2,482 | 0.7 ppb |
| Central Yazoo #3 Mechanicsbrg | 1,927 | 0.8 ppb |
| Central Yazoo W/A #5 | 1,618 | 0.94 ppb |
| Hilton Heights Water Assn #1 | 1,336 | 4 ppb |
| Central Yazoo #4-Benton | 1,225 | 0.7 ppb |
| Lake City Water Assn-East | 956 | 0 (not detected) |
| Lake City Water Assn-West | 929 | 0 (not detected) |
| Midway W/A #3 | 739 | 1.8 ppb |
| Midway W/A #1 | 552 | 1.9 ppb |
Next steps for Vaughan, MS
Test your own tap with a certified lab first-draw sample; Vaughan, MS may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Casey Jones 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. Size matters more than most people expect: small vs large water systems.