Calcasieu Parish Ww District No 5, LA
Lead detected, under the action levels
Latest 90th-percentile lead: 4 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.
Calcasieu Parish Ww District No 5 at a glance
Calcasieu Parish Ww District No 5 serves about 5,088 people through 1,696 service connections, which makes it a medium-sized 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: LA1019084; phone on file: 337-721-3700. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is up 2 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Calcasieu Parish Ww District No 5 is 4 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4 ppb |
| 2022 | 2 ppb |
| 2019 | 2 ppb |
| 2016 | 4 ppb |
How Calcasieu Parish Ww District No 5 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. Calcasieu Parish Ww District No 5's 4 ppb sits at the 93rd percentile in Louisiana and the 88th nationally (higher means more lead).
Nearby utilities
35 other systems share Calcasieu Parish County; 0 of them have a higher latest lead result than Calcasieu Parish Ww District No 5. 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 |
| City Of Westlake Water System | 4,858 | 1 ppb |
| Calcasieu Parish Ww District 7 | 4,791 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Lake Charles, 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 Calcasieu Parish Ww District No 5 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. The action level is dropping - the 10 ppb rule from 2027.