Hudson Gaars Mill Water System, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2023-2025). 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
Hudson Gaars Mill Water System serves about 660 people through 220 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Winn Parish County, Louisiana. EPA system ID: LA1127015; phone on file: 318-413-1240. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hudson Gaars Mill Water System is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 0 (not detected) |
| 2019 | 3 ppb |
| 2016 | 1 ppb |
How Hudson Gaars Mill 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. Hudson Gaars Mill Water System's 1 ppb sits at the 57th percentile in Louisiana and the 53rd nationally (higher means more lead).
Neighbouring systems
11 other systems share Winn Parish County; 5 of them have a higher latest lead result than Hudson Gaars Mill 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 Winnfield Water System | 7,194 | 1 ppb |
| West Winn Water System, Inc | 1,965 | 4.6 ppb |
| Tannehill Water System | 1,932 | 3 ppb |
| Village Of Atlanta Water Supply | 900 | 6 ppb |
| Pleasant Hills-Crossroads Water Systems | 840 | 1.4 ppb |
| Backwood Village Water System | 783 | 1 ppb |
| Village Of Dodson Water System | 714 | 1 ppb |
| Village Of Sikes Water System | 639 | 0 (not detected) |
| Village Of Calvin Water System | 591 | 6 ppb |
| Joyce Water Supply | 474 | 0.73 ppb |
Next steps for Dodson, LA
Test your own tap with a certified lab first-draw sample; Dodson, 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 Hudson Gaars Mill 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. Systems that went over once often dip back under; here is what that means.