New Orleans Algiers Water Works, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 7.1 ppb (monitoring period 2025-2025). 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.
New Orleans Algiers Water Works at a glance
New Orleans Algiers Water Works serves about 52,785 people through 15,118 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Orleans Parish County, Louisiana. EPA system ID: LA1071001; phone on file: 504-380-6507. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 1.5 ppb from 5.6 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for New Orleans Algiers Water Works is 7.1 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 7.1 ppb |
| 2025 | 5.6 ppb |
| 2022 | 6 ppb |
| 2019 | 2 ppb |
| 2016 | 3 ppb |
How New Orleans Algiers Water Works 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. New Orleans Algiers Water Works's 7.1 ppb sits at the 98th percentile in Louisiana and the 95th nationally (higher means more lead).
Neighbouring systems
1 other system shares Orleans Parish County; 0 of them have a higher latest lead result than New Orleans Algiers Water Works. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| New Orleans Carrollton Water Works | 334,903 | 6 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; New Orleans, 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 New Orleans Algiers Water Works 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.