UNITED WATER SYSTEM (LA) Water Quality UNITED WATER SYSTEM is a small public water system in EPA region 6 that provides tap water for the 70501, 70508, 70517, 70521, 70714, 70809, 77494 zip codes. It has 3 facilities where the water supply was tested for 47 chemical contaminants that impact tap water quality and human health.
The maximum reported level of Manganese was 44 µg/L. There were 1 contamintants found in the UNITED WATER SYSTEM water supply at levels that were above the minimum reporting level.
Contaminants Jump To Contaminant 1,1-dichloroethane (2) 1,2,3-trichloropropane (2) 1,3-butadiene (2) 1,4-dioxane (2) 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) 4,8-dioxa-3H-perfluorononanoic acid (2) 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2) bromochloromethane (Halon 1011) (2) bromomethane (2) chlorate (4) chlorodifluoromethane (HCFC-22) (2) chloromethane (2) chromium (4) chromium-6 (4) cobalt (4) Germanium (4) hexafluoropropylene oxide dimer acid (GenX) (2) lithium (2) Manganese (4) molybdenum (4) N-ethyl perfluorooctanesulfonamidoacetic acid (2) N-methyl perfluorooctanesulfonamidoacetic acid (2) nonafluoro-3,6-dioxaheptanoic acid (2) perfluoro(2-ethoxyethane)sulfonic acid (2) perfluoro-3-methoxypropanoic acid (2) perfluoro-4-methoxybutanoic acid (2) perfluorobutanesulfonic acid (4) perfluorobutanoic acid (2) perfluorodecanoic acid (2) perfluorododecanoic acid (2) perfluoroheptanesulfonic acid (2) perfluoroheptanoic acid (4) perfluorohexanesulfonic acid (4) perfluorohexanoic acid (2) perfluorononanoic acid (4) perfluorooctanesulfonic acid (4) perfluorooctanoic acid (4) perfluoropentanesulfonic acid (2) perfluoropentanoic acid (2) perfluorotetradecanoic acid (2) perfluorotridecanoic acid (2) perfluoroundecanoic acid (2) strontium (4) vanadium (4)
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.1 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.1 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.07 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.07 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.002 µg/L
Below Reporting Level
TREATMENT PLANT
<0.002 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.06 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.06 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
20.141 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 0.141 µg/L
1191 Declouet Hwy.
<20 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<20 µg/L
Below Reporting Level
1191 Declouet Hwy.
<20 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<0.08 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.08 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
2.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L
EPTDS from Treatment Plant
1.516 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.316 µg/L
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EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
1191 Declouet Hwy.
<0.2 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
1191 Declouet Hwy.
<0.2 µg/L
Below Reporting Level
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1191 Declouet Hwy.
0.047 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.017 µg/L
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
1191 Declouet Hwy.
0.0312 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.0012 µg/L
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<1 µg/L
Below Reporting Level
1191 Declouet Hwy.
<1 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<1 µg/L
Below Reporting Level
1191 Declouet Hwy.
<1 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
<1 µg/L
Below Reporting Level
1191 Declouet Hwy.
<1 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<1 µg/L
Below Reporting Level
1191 Declouet Hwy.
<1 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
11.2 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 2.2 µg/L
TREATMENT PLANT
<9 µg/L
Below Reporting Level
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1191 Declouet Hwy.
44 µg/L
Meets Reporting Threshold
EPTDS from Treatment Plant
17.798 µg/L
Meets Reporting Threshold
1191 Declouet Hwy.
7.1 µg/L
Meets Reporting Threshold
EPTDS from Treatment Plant
6.214 µg/L
Meets Reporting Threshold
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1191 Declouet Hwy.
2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1 µg/L
EPTDS from Treatment Plant
1.827 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.827 µg/L
1191 Declouet Hwy.
1.97 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.97 µg/L
EPTDS from Treatment Plant
1.806 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.806 µg/L
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.006 µg/L
Below Reporting Level
TREATMENT PLANT
<0.006 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.02 µg/L
Below Reporting Level
TREATMENT PLANT
<0.02 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.09 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.09 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
TREATMENT PLANT
<0.005 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.01 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.01 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.03 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.02 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.02 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.04 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.04 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.02 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.02 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
TREATMENT PLANT
<0.004 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
TREATMENT PLANT
<0.003 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.008 µg/L
Below Reporting Level
TREATMENT PLANT
<0.008 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.007 µg/L
Below Reporting Level
TREATMENT PLANT
<0.007 µg/L
Below Reporting Level
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TREATMENT PLANT
<0.002 µg/L
Below Reporting Level
TREATMENT PLANT
<0.002 µg/L
Below Reporting Level
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EPTDS from Treatment Plant
88.345 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 88.045 µg/L
1191 Declouet Hwy.
88 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 87.7 µg/L
1191 Declouet Hwy.
33.2 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 32.9 µg/L
EPTDS from Treatment Plant
29.986 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 29.686 µg/L
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EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
1191 Declouet Hwy.
<0.2 µg/L
Below Reporting Level
EPTDS from Treatment Plant
<0.2 µg/L
Below Reporting Level
1191 Declouet Hwy.
<0.2 µg/L
Below Reporting Level
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Sampling Facilities UNITED WATER SYSTEM
Ground Water (GW) TREATMENT PLANTEntry Point to the Distribution System (EP)
Treatment Plant
Ground Water (GW) EPTDS from Treatment PlantEntry Point to the Distribution System (EP)
Distribution System
Ground Water (GW) 1191 Declouet Hwy.Maximum Residence Time (MR)
FAQ Is UNITED WATER SYSTEM tap water safe to drink? When was UNITED WATER SYSTEM last tested for water contamination? The latest water samples were taken on February 3rd, 2025.
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