Northwest Waterworks Lin Park, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Northwest Waterworks Lin Park serves about 513 people through 171 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws surface water, in Caddo Parish County, Louisiana. EPA system ID: LA1017093; phone on file: 225-924-2686. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Northwest Waterworks Lin Park is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 0 (not detected) |
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. Northwest Waterworks Lin Park's reported as 0 (not detected) sits at the 11th percentile in Louisiana and the 23rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Caddo Parish County
27 other systems share Caddo Parish County; 14 of them have a higher latest lead result than Northwest Waterworks Lin Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Shreveport Water System | 192,378 | 0.92 ppb |
| Town Of Blanchard Water System | 16,488 | 0 (not detected) |
| Waterworks District 7 | 5,889 | 0 (not detected) |
| Town Of Greenwood Water System | 5,205 | 29 ppb |
| Pinehill Waterworks District | 4,926 | 6 ppb |
| Town Of Vivian Water System | 4,050 | 1.2 ppb |
| Town Of Oil City Water System | 2,169 | 1 ppb |
| Lakeview Water System | 2,025 | 11.3 ppb |
| Village Of Mooringsport Water System | 999 | 9 ppb |
| Village Of Hosston Water System | 729 | 2.2 ppb |
What to do in your house
Look up your address in Northwest Waterworks Lin Park's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Northwest Waterworks Lin Park 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. A zero today does not rule out a jump later - the rules are tightening in 2027.