Union Grove Water System, LA
Exceeded the action level in the past
Latest 90th-percentile lead: 1 ppb (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 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.
Union Grove Water System at a glance
Union Grove Water System serves about 456 people through 152 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Webster Parish County, Louisiana. EPA system ID: LA1119031; phone on file: 318-518-2682. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 4 ppb from 5 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Union Grove Water System is 16 ppb across 7 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1 ppb |
| 2021 | 5 ppb |
| 2018 | 3 ppb |
| 2018 | 4 ppb |
| 2017 | 16 ppb over 15 |
| 2017 | 5 ppb |
| 2016 | 16 ppb over 15 |
Where this result ranks
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. Union Grove Water System's 1 ppb sits at the 56th percentile in Louisiana and the 53rd nationally (higher means more lead).
Nearby utilities
25 other systems share Webster Parish County; 7 of them have a higher latest lead result than Union Grove Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Minden Water System | 16,281 | 0 (not detected) |
| City Of Springhill Water System | 7,800 | 1 ppb |
| Town Of Sibley Water System | 2,373 | 0.6 ppb |
| Shongaloo Water System | 2,196 | 0 (not detected) |
| Blocker Water System | 1,719 | 1 ppb |
| Pleasant Valley Water System | 1,683 | 3 ppb |
| Gil-Gal Water System | 1,551 | 0 (not detected) |
| Village Of Sarepta Water System | 1,500 | 0.5 ppb |
| Dixie Overland Water System | 1,455 | 0.59 ppb |
| Germantown Water System | 1,410 | 0 (not detected) |
Next steps for Minden, LA
Test your own tap with a certified lab first-draw sample; Minden, 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 Union Grove 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. The lead result guide covers how utilities pick the homes they sample. Why an old exceedance still matters: over the limit before, under it now.