Online Source Water Quality Monitoring For Water Quality Surveillance and Response Systems Of?ce of Water (MC 140) EPA 817-B-16-003 September 2016 Disclaimer The Water Security Division of the Office of Ground Water and Drinking Water of the EPA has reviewed and approved this document for publication. This document does not impose legally binding requirements on any party. The information in this document is intended solely to recommend or suggest and does not imply any requirements. Neither the United States Government nor any of its employees, contractors or their employees make any warranty, expressed or implied, or assumes any legal liability or responsibility for any third party’s use of any information, product, or process discussed in this document, or represents that its use by such party would not infringe on privately owned rights. Mention of trade names or commercial products does not constitute endorsement or recommendation for use. Questions concerning this document should be addressed to WQ_SRS@epa.gov or the following contacts: Steve Allgeier EPA Water Security Division 26 West Martin Luther King Drive Mail Code 140 Cincinnati, OH 45268 (513) 569-7131 Allgeier.Steve@epa.gov or Matt Umberg EPA Water Security Division 26 West Martin Luther King Drive Mail Code 140 Cincinnati, OH 45268 (513) 569-7357 Umberg.Matt@epa.gov i Acknowledgements The document was developed by the EPA Water Security Division, with additional support provided under EPA contract EP-C-15-012. The following individuals contributed to the development of this document: ? ? ? ? ? ? ? ? Joel Allen, EPA, Office of Research and Development Steve Allgeier, EPA, Water Security Division Erin Cummings, CH2M Jennifer Liggett, CH2M Alan Lindquist, EPA, Office of Research and Development Christopher Macintosh, CH2M Kenneth Thompson, CH2M Matt Umberg, EPA, Water Security Division Peer review of this document was provided by the following individuals: ? ? ? ? ? ? ? ? ? ? ? Alis