Cypress Black Bayou Water (LA) Water Quality

Cypress Black Bayou Water is a small public water system in EPA region 6 that provides tap water for the 71006 zip codes. It has 2 facilities where the water supply was tested for 50 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 63.2 µg/L. Some (2 of 8 or 25%) of the latest water samples showed levels of HAA5 (five regulated haloacetic acids) that were at or above unsafe concentration levels. The maximum reported level of Manganese was 5 µg/L. There were 2 contamintants found in the Cypress Black Bayou Water water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.

• Table of Contents
• Contaminants
• Facilities
• FAQ

Contaminants

• Jump To Contaminant
• 1-butanol (4)
• 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)
• 1H,1H,2H,2H-perfluorodecane sulfonic acid (2)
• 1H,1H,2H,2H-perfluorohexane sulfonic acid (2)
• 1H,1H,2H,2H-perfluorooctane sulfonic acid (2)
• 2-methoxyethanol (4)
• 2-propen-1-ol (Allyl Alcohol) (4)
• 4,8-dioxa-3H-perfluorononanoic acid (2)
• 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)
• alpha-hexachlorocyclohexane (4)
• Butylated Hydroxyanisole (4)
• chlorpyrifos (4)
• dimethipin (4)
• ethoprop (4)
• Germanium (4)
• HAA5 (five regulated haloacetic acids) (8)
• HAA6Br (six brominated haloacetic acids) (8)
• HAA9 (nine haloacetic acids) (8)
• hexafluoropropylene oxide dimer acid (GenX) (2)
• lithium (2)
• Manganese (4)
• N-ethyl perfluorooctanesulfonamidoacetic acid (2)
• N-methyl perfluorooctanesulfonamidoacetic acid (2)
• nonafluoro-3,6-dioxaheptanoic acid (2)
• o-toluidine (4)
• oxyfluorfen (4)
• perfluoro(2-ethoxyethane)sulfonic acid (2)
• perfluoro-3-methoxypropanoic acid (2)
• perfluoro-4-methoxybutanoic acid (2)
• perfluorobutanesulfonic acid (2)
• perfluorobutanoic acid (2)
• perfluorodecanoic acid (2)
• perfluorododecanoic acid (2)
• perfluoroheptanesulfonic acid (2)
• perfluoroheptanoic acid (2)
• perfluorohexanesulfonic acid (2)
• perfluorohexanoic acid (2)
• perfluorononanoic acid (2)
• perfluorooctanesulfonic acid (2)
• perfluorooctanoic acid (2)
• perfluoropentanesulfonic acid (2)
• perfluoropentanoic acid (2)
• perfluorotetradecanoic acid (2)
• perfluorotridecanoic acid (2)
• perfluoroundecanoic acid (2)
• profenofos (4)
• quinoline (4)
• tebuconazole (4)
• Total Permethrin (4)
• tribufos (4)

Sampling Facilities

FAQ

Is Cypress Black Bayou Water tap water safe to drink?

When was Cypress Black Bayou Water last tested for water contamination?

The latest water samples were taken on May 5th, 2025.