Town Of Clarks Water System, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2024). 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 Town Of Clarks Water System
Town Of Clarks Water System serves about 906 people through 302 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Caldwell Parish County, Louisiana. EPA system ID: LA1021001; phone on file: 318-649-7218. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
That is down 5 ppb from 5 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Town Of Clarks Water System is 5 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2020 | 5 ppb |
| 2017 | 2 ppb |
How Town Of Clarks 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. Town Of Clarks Water System's reported as 0 (not detected) sits at the 18th percentile in Louisiana and the 26th 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 Town Of Clarks 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) |
| Cotton Plant Water System | 783 | 0 (not detected) |
| Vixen Water System | 750 | 0 (not detected) |
Next steps for Clarks, LA
Look up your address in Town Of Clarks 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 Town Of Clarks 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. 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.