The Los Osos Community Services District found high levels of hexavalent chromium in its water. This image is an example of what the substance looks like.
The Los Osos Community Services District found high levels of hexavalent chromium in its water. This image is an example of what the substance looks like. Courtesy photo
The Los Osos Community Services District found high levels of hexavalent chromium in its water. This image is an example of what the substance looks like. Courtesy photo

Los Osos CSD unsure of source of harmful chemical at well site, exploring treatment options

January 19, 2016 08:20 PM

UPDATED January 20, 2016 03:25 PM