Cotton Plant Water System, LA
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.
Cotton Plant Water System at a glance
Cotton Plant Water System serves about 783 people through 261 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Caldwell Parish County, Louisiana. EPA system ID: LA1021009; phone on file: 318-495-3072. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cotton Plant Water System is 1 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 1 ppb |
How Cotton Plant Water System compares
Of the 802 Louisiana systems with a lead result, the median latest reading is 0.72 ppb; 4 are over 15 ppb right now and 30 have gone over at some point. Cotton Plant Water System's reported as 0 (not detected) sits at the 16th percentile in Louisiana and the 25th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
10 other systems share Caldwell Parish County; 5 of them have a higher latest lead result than Cotton Plant Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Hebert Water System | 3,048 | 0 (not detected) |
| East Columbia Water System | 2,829 | 0 (not detected) |
| Columbia Heights Water District | 1,965 | 2.8 ppb |
| Village Of Grayson Water System | 1,461 | 0.81 ppb |
| Kelly Water District | 1,314 | 0.86 ppb |
| Holum Water System | 1,230 | 1 ppb |
| Wards 4 & 5 Water System | 1,002 | 5 ppb |
| Village Of Columbia Water System | 945 | 0 (not detected) |
| Town Of Clarks Water System | 906 | 0 (not detected) |
| Vixen Water System | 750 | 0 (not detected) |
Next steps for Grayson, LA
Look up your address in Cotton Plant Water System'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 Cotton Plant Water System 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. A zero today does not rule out a jump later - the rules are tightening in 2027.