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For the best response when contacting customer service, please email us at customerservice@rosamondcsd.com and we will respond by the next business day. This is due to an increased call volume and our staff working off-site in response to the continuing COVID-19 pandemic.

In case of an emergency, please call 661-816-5345. Thank you for your understanding.

Chromium 6

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We are happy to inform you that your drinking water, provided by the RCSD, tests well below the maximum contaminant level. We routinely monitor for the presence of drinking water contaminants. 

Context for Regulating Chromium 6

 Sources of Chromium 6

  • Natural occurrence from certain geologic formations
  • Industrial contamination –localized areas
  • Not typical in surface water sources, but present in some groundwater

Drinking water standard for Total Chromium

  • Federal MCL = 100 parts per billion (ppb, also μg/L)
  • California MCL = 50 ppb

For more information, please contact the Rosamond Community Services District at (661) 256-3411