由于严格的废物排放限制、进口供应的减少、环境用水需求以及不断增长的市政需求，加州实施大规模水资源再利用的压力越来越大。尽管如此，由于一些问题，加利福尼亚州几乎没有计划使用再生水的地下水补给项目:经济环境；州监管机构持续关注再生水中的病毒、硝酸盐和微量有机化合物，这些物质摄入后可能会对健康造成不利影响；公众对再生水饮用水的担忧；以及缺乏具体的标准和指导方针来帮助规划使用再生水的地下水补给项目。当前的加利福尼亚废水回收标准（WRC）（加利福尼亚州1978年）只是授权在确定项目安全时，根据具体情况批准使用再生水进行地下水补给。 有必要制定具体的全州标准，以规划和实施使用再生水的新地下水补给项目。本文描述了加利福尼亚州卫生服务部制定水回收标准的过程。在加利福尼亚州，卫生服务部负责制定水回收标准。

There is increasing pressure to implement large scale water reuse in California due to severe waste discharge restrictions, reduction of imported supplies, environmental water demand, and increasing municipal demand. Despite this, there are few planned groundwater recharge projects using reclaimed water in California due to a number of issues: economic circumstances; continuing concerns by state regulatory agencies about viruses, nitrate, and trace organic compounds in the reclaimed water which could result in adverse health impacts when ingested; apprehension by the public about drinking water derived from reclaimed water; and the lack of specific criteria and guidelines to assist in the planning of groundwater recharge projects using reclaimed water. Current California Wastewater Reclamation Criteria (WRC) (State of California 1978) simply authorize the approval of groundwater recharge with reclaimed water on a case by case basis when the project is determined to be safe. It is desirable to establish specific statewide criteria for planning and implementing new groundwater recharge projects using reclaimed water. This paper describes the process of developing water reclamation criteria as developed by the Department of Health Services in California. In California, the Department of Health Services is charged with the development of water reclamation criteria.