Knoll Enterprises

San Bernardino County, CA
CA3600504
People Served
500
Water Source
Groundwater
Counties
San Bernardino 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.

    26.000 ppb
    EPA limit 10.000 ppb
  • GR

    Gross Alpha Particle Activity

    Gross Alpha Particle Activity measures radioactivity from alpha-emitting elements in water. It's often linked to uranium and radium in groundwater, increasing cancer risk.

    28.000 pci/l
    EPA limit 15.000 pci/l
  • 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.

    150.000 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.

Combined Uranium

Avg:19.750 pci/l
Limit:30.000 pci/l

Nitrate

Avg:4.700 ppm
Limit:10.000 ppm

Trihalomethanes

Avg:1.200 ppb
Limit:80.000 ppb

Contaminants tested