Town Of St Joseph Water System, LA
Exceeded the action level in the past
Latest 90th-percentile lead: 2 ppb (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Town Of St Joseph Water System at a glance
Town Of St Joseph Water System serves about 1,332 people through 444 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 Tensas Parish County, Louisiana. EPA system ID: LA1107004; phone on file: 318-766-3713. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2023 (3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Town Of St Joseph Water System is 18 ppb across 12 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2 ppb |
| 2023 | 3 ppb |
| 2022 | 6 ppb |
| 2021 | 4 ppb |
| 2021 | 8 ppb |
| 2020 | 2 ppb |
| 2020 | 4 ppb |
| 2019 | 12 ppb over 10 |
| 2019 | 7 ppb |
| 2018 | 9 ppb |
| 2018 | 8 ppb |
| 2016 | 18 ppb over 15 |
Against other Louisiana systems
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 St Joseph Water System's 2 ppb sits at the 77th percentile in Louisiana and the 72nd nationally (higher means more lead).
Neighbouring systems
4 other systems share Tensas Parish County; 1 of them has a higher latest lead result than Town Of St Joseph Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Tensas Water District Association | 3,843 | 2.1 ppb |
| Lake Bruin Water District #1 | 1,275 | 0 (not detected) |
| Town Of Newellton Water System | 1,100 | 2 ppb |
| Village Of Waterproof Water System | 786 | 2 ppb |
Next steps for St Joseph, LA
Test your own tap with a certified lab first-draw sample; St Joseph, LA 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 Town Of St Joseph Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1400 ppb (copper action level 1,300 ppb).
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. More in what a past exceedance means today.