Town Of Grand Coteau Water System

St. Landry Parish County, LA
LA1097001
People Served
1.7K
Water Source
Groundwater
Counties
St. Landry Parish County
Data from
2023
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Contaminants Exceeding Limits

The following contaminants have exceeded the guideline limits at least once in the last year.

  • CO

    Copper

    Copper is a metal that enters tap water from plumbing pipes and natural deposits. In high amounts, it can cause stomach and intestinal distress, liver damage, and anemia.

    2.000 ppm
    EPA limit 1.300 ppm
  • MA

    Manganese

    Manganese is a metal found in rocks and soil. It enters water through erosion and industrial processes. While essential in small amounts, excess can harm the nervous system.

    215.000 ppb
    EPA limit 50.000 ppb

Other Contaminants Detected

The following contaminants have been detected, but not exceeded the guideline limits in the last year.

Aluminum

Avg:0.020 ppm
Limit:-

Arsenic

Avg:6.600 ppb
Limit:10.000 ppb

Barium

Avg:0.067 ppm
Limit:2.000 ppm

Chromium

Avg:0.005 ppm
Limit:0.100 ppm

Combined Chlorine

Avg:2.700 ppm
Limit:-

Combined Radium (-226 & -228)

Avg:0.592 pci/l
Limit:5.000 pci/l
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