Southeast Grant Water System, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2026-2026). 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.
Who runs the water here
Southeast Grant Water System serves about 567 people through 189 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Grant Parish County, Louisiana. EPA system ID: LA1043015; phone on file: 318-765-3020. 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 2025 (3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Southeast Grant Water System is 5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2 ppb |
| 2025 | 3 ppb |
| 2022 | 5 ppb |
| 2019 | 1 ppb |
| 2019 | 1 ppb |
| 2018 | 2 ppb |
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. Southeast Grant Water System's 2 ppb sits at the 74th percentile in Louisiana and the 71st nationally (higher means more lead).
Other water systems in Grant Parish County
12 other systems share Grant Parish County; 3 of them have a higher latest lead result than Southeast Grant Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| South Grant Water Corporation | 5,289 | 1 ppb |
| Pollock Area Water System Inc | 3,900 | 1.2 ppb |
| West Grant Water Association | 3,324 | 3 ppb |
| Town Of Colfax | 2,552 | 2 ppb |
| Central Grant Water System | 2,250 | 0 (not detected) |
| Red Hill Waterworks Inc. | 1,914 | 1.3 ppb |
| Town Of Pollock Water System | 1,353 | 0 (not detected) |
| Zone 2 Water System Inc. | 1,344 | 4.5 ppb |
| Village Of Montgomery Water System | 1,167 | 0 (not detected) |
| Village Of Dry Prong Water System | 1,155 | 6 ppb |
Next steps for Pollock, LA
Test your own tap with a certified lab first-draw sample; Pollock, 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 Southeast Grant Water System whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1600 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.