United Water System

St. Martin Parish County, LA
LA1099009
People Served
4.4K
Water Source
Groundwater
Counties
St. Martin 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.

  • AR

    Arsenic

    Arsenic is a toxic element found in rocks and soil. It enters water through natural erosion and human activities like mining. Long-term exposure causes cancer and organ damage.

    19.400 ppb
    EPA limit 10.000 ppb
  • 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.

    95.000 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:0.070 ppm
Limit:-

Barium

Avg:0.390 ppm
Limit:2.000 ppm

Chloramine

Avg:2.500 ppm
Limit:-

Chloride

Avg:45.000 ppm
Limit:-

Combined Radium (-226 & -228)

Avg:0.848 pci/l
Limit:5.000 pci/l

Copper

Avg:1.000 ppm
Limit:1.300 ppm
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