Terrebonne Parish, LA
drinking water quality
103,864 residents · 2 public water systems · 11 ZIP codes
EPA sampled 2 of 2 public water systems here, together serving about 128,118 people. EPA detected PFBA at 8 ng/L. EPA has not set a drinking water limit for PFBA, so there is no figure to compare it against. Last sampled 9/7/2023.
What this means
PFAS are industrial chemicals that EPA describes as breaking down only very slowly in the environment. In April 2024 EPA set the first enforceable national limits: 4 ng/L for PFOA and PFOS, 10 ng/L for PFHxS, PFNA and GenX.
These figures are county-level and come from EPA’s sampling of public water systems. They describe the worst result found in the county, not what comes out of any particular tap — that depends on which system serves the address, and on the plumbing in the building. A private well is not covered by this programme at all.
ZIP codes in Terrebonne Parish
70344 · 70352 · 70353 · 70356 · 70359 · 70360 · 70363 · 70364 · 70377 · 70395 · 70397
Readings are parish-level, so every ZIP here shares the figure above. Search your ZIP on the map to see it in context.