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drips&droplets Hexavalent Chromium Technical Advisory Group By David Chang, Ph.D., P.E., Chair, SDWA Committee, CA-NV AWWA, Golden State Water Company Ualent Chromium Technical Advisory dialogue with senior staff of CDPH about information regarding the importancethan 10 percent of the residents servedby the public water system, containence is obviously California state regulators,and on April 18, TAG members opened ander the leadership of our ExecutiveDirector, Dr. Tim Worley, a Hexav- Group (TAG) is now established and research underway by the water community, of the notice and a telephone number actively engaged in the development of the and how it supports development of a sound or address where those residents may California MCL for hexavalent chromium. Chromium-6 MCL. The CDPH plans to contact the public water system to Tim pushed hard for this TAG in the belief release a draft MCL for public comment by obtain either a translated copy of the that it is important for CA-NV AWWA to July 2013 and emphasized its willingness to notice or assistance in the appropriate maintain an active posture with respect to receive up-to-date research information so language.” drinking water regulations, to seek the best the draft MCL is based on reliable informa- This multi-language notification require- regulatory outcomes (generally those based tion. Several times the CDPH staff indicated ment is similar to the Consumer Confidence on sound science, economics, and policy), that the impact of a hexavalent chromium Report. However, this new law requires the to keep interested members informed of MCL for small systems has been the subject entire notification be translated. For Tier 1 developments, and take action as needed of internal discussion. public notice, the notice has to be delivered to communicate our views to our members, to customers within 24 hours. This is a heavyIf the Chromium-6 MCL is an important CDPH, legislators, the media, and the public. burden to water utilities. If you are inter-issue facing your utility, members may The hexavalent chromium MCL is the focus ested, you can see how many languages arecontact Tim Worley at the Section office to issue right now. included in annual water quality reports ofkeep up with the latest developments and The Chromium-6 TAG was organized on TAG activities. the Los Angeles Department of Water and Power and the San Francisco PUC. March 15, 2012, by about 20 charter member utilities, with support from AWWA regula- AB938, Tier 1 Violation Notices in The SFPUC developed simpler versions of tory staff and the Water Research Founda- Multiple Languages within 24 hours three Tier 1 notices. Drafts were reviewed by tion. Tarrah Henrie of California Water With very little fanfare or attention last year, many water utilities, and then sent to CDPH Services Company and I will co-chair the the California legislature passed AB938; the for their consideration. Once these simpli- TAG, which currently meets by conference new law went into effect on July 1, 2012. fied notices are approved by the CDPH, call on a monthly schedule. Meetings keep Citing the text itself, this legislation: the notices will be translated into dozens of participants up to date on new research on “Requires, commencing July 1, 2012, a languages by certified translators. ticipated consequences of various treatment In an emergency, a utility may also need topublic water system’s written public notice- the effectiveness, cost, and potential unan methods and materials, such as new resins obtain 24/7 service to translate new informa--of noncompliance with drinking water stan and different adsorptive media. AWWA tion beyond what is in the pre-developeddards to: completed a high-level assessment of the • Be provided in English, Spanish, and template. ACWA is seeking proposals for national cost of compliance with a Chro- in the language spoken by any non- a preferred provider of translation services mium-6 MCL hypothetically set at 1, 2, 5, 10, English-speaking group that exceeds 10 and will cooperate with CA-NV Section to or 20 ppb. While the study was hindered by percent of persons served by the public facilitate the service. Utilities would gener- incomplete occurrence data, a second phase water system; ally work directly with the preferred provider of this work will look at California specifi- • Contain a telephone number or address but ACWA might act as an intermediary if cally (which has a much better occurrence where residents may contact the public utilities decide to work together and send dataset), and individual case studies. water system for assistance; and, funds directly to ACWA. Working together will leverage our resources and provide The TAG also seeks to be an effective voice of • For each group that speaks a language savings for each utility. S the professional drinking water community, other than English or Spanish and to address various audiences. A key audi- that exceeds 1,000 residents but is less www.ca-nv-awwa.org 13


SOURCE Summer 2012
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