Waterworks Dist. No. 10 Of Ward 7, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 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.
About Waterworks Dist. No. 10 Of Ward 7
Waterworks Dist. No. 10 Of Ward 7 serves about 942 people through 942 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Calcasieu Parish County, Louisiana. EPA system ID: LA1019128; phone on file: 337-589-9333. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2 ppb from 2 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Waterworks Dist. No. 10 Of Ward 7 is 2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2023 | 2 ppb |
| 2022 | 0 (not detected) |
How Waterworks Dist. No. 10 Of Ward 7 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. Waterworks Dist. No. 10 Of Ward 7's reported as 0 (not detected) sits at the 19th percentile in Louisiana and the 26th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
35 other systems share Calcasieu Parish County; 16 of them have a higher latest lead result than Waterworks Dist. No. 10 Of Ward 7. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Lake Charles Water System | 79,500 | 0.84 ppb |
| City Of Sulphur Water System | 24,489 | 2 ppb |
| Calcasieu Parish Ww District No 1 | 20,837 | 1 ppb |
| Calcasieu Parish Ww Dist 9 Carlyss | 14,502 | 0 (not detected) |
| Houston River Waterworks District 11 | 6,915 | 1 ppb |
| Calcasieu Parish Ww District 8 | 6,834 | 1 ppb |
| Calcasieu Parish Ww District No 4 | 5,340 | 2 ppb |
| Lawco - Dequincy Water System | 5,319 | 0.59 ppb |
| Calcasieu Parish Ww District No 5 | 5,088 | 4 ppb |
| City Of Westlake Water System | 4,858 | 1 ppb |
What to do in your house
Look up your address in Waterworks Dist. No. 10 Of Ward 7'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 Waterworks Dist. No. 10 Of Ward 7 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.