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Is Just Over 40 Enough? 刚过 40 岁就够了吗?
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2361
David B. LaFrance
<p>This column has nothing to do with age. It has everything to do with how small sampling populations can be motivating even if they are not statistically significant. Before we get too far ahead, let me give you some background.</p><p>Recently I had the opportunity to participate as a speaker at CoBank's annual Energy and Water Executive Forum in Salt Lake City. CoBank is a rural-America cooperative bank that, among many other critical services, helps rural water and wastewater utilities with their financial solutions. Many of these utilities are AWWA members.</p><p>CoBank had heard about AWWA's Water 2050 program and invited me to share the forward-looking initiative with its members. As it turned out, I did not share the most surprising information—CoBank's rural water utility attendees did.</p><p>After describing the background, inclusive process, and goals of Water 2050, I presented six of the strategic recommendations. I asked attendees to categorize each one according to achievability and impact. Tables 1 and 2 display the results for two of the recommendations: (1) Establish full cost rates and affordable access to water and (2) Achieve economies of scale through consolidation of utilities. The great news is that in both cases, these Water 2050 recommendations were mostly viewed as having a positive future impact.</p><p>In Table 1, 60% of the respondents felt establishing full cost rates was both highly achievable and highly impactful. I have labeled this category “Transformative.” Another 26% of the respondents also felt this recommendation would have a high impact but that achievability would be low. That makes sense to me. The exciting part is that 86% of the respondents agreed that full cost rates would result in a high impact that is positive for the future, and most felt it was a highly achievable goal, while others (26%) felt achieving the positive impact would be an “epic” feat.</p><p>Table 2 shows similar results, with most respondents recognizing that consolidating utilities would have a positive future impact. However, among this group, the expectations of achievability were more evenly distributed than in Table 1, indicating that extra effort will be needed to succeed in these epic feats.</p><p>CoBank's Executive Forum was the first time I had done this—asking water professionals to evaluate the likelihood that a Water 2050 recommendation would have a positive impact and be achievable. Frankly, while I was pleased and motivated by these results, I was also a bit surprised that the scales tipped as much as they did in support of the recommendations.</p><p>For those of you who notice that I have provided the “<i>n</i>” (i.e., sample size) for Tables 1 and 2 and that in both cases the sample size was just over 40, you might be thinking that 40 is not enough to have statistical confidence in these results. You are probably right; however, the results, even with their limitations, indicate that Water 2050 is on the right path, and
本专栏与年龄无关。本专栏与年龄无关,而与小规模的抽样调查即使在统计意义上并不显著也能产生激励作用有关。最近,我有幸作为演讲者参加了 CoBank 在盐湖城举办的年度能源与水行政论坛。CoBank 是一家美国农村合作银行,除提供许多其他重要服务外,还帮助农村供水和污水处理公司解决财务问题。CoBank 听说了 AWWA 的 "水 2050 "计划,邀请我与其成员分享这一前瞻性计划。事实证明,我并没有分享到最令人惊讶的信息,而是 CoBank 的农村水务公司与会者分享了最令人惊讶的信息。在介绍了水务 2050 的背景、包容性过程和目标后,我介绍了六项战略建议。在介绍了《水 2050》的背景、包容性过程和目标后,我介绍了六项战略建议,并请与会者根据可实现性和影响对每项建议进行分类。表 1 和表 2 显示了其中两项建议的结果:(1) 确立全成本费率和负担得起的供水;(2) 通过合并公用事业实现规模经济。好消息是,在这两项建议中,"水 2050 "的大部分建议都被认为会对未来产生积极影响。在表 1 中,60% 的受访者认为建立全成本水价既非常可行,又非常有影响力。我将这类建议称为 "变革性建议"。另有 26% 的受访者也认为这项建议的影响很大,但可实现性不高。我认为这很合理。令人兴奋的是,86% 的受访者同意全成本费率将对未来产生积极的高影响,大多数受访者认为这是一个非常容易实现的目标,而其他受访者(26%)则认为实现积极影响将是一项 "史诗级 "的壮举。然而,在这组受访者中,对可实现性的期望值分布比表 1 更为均匀,这表明要成功实现这些史诗般的壮举,需要付出额外的努力。CoBank 的高管论坛是我第一次这样做--要求水务专业人士评估水 2050 建议产生积极影响和可实现的可能性。坦率地说,虽然我对这些结果感到高兴和激励,但我也对支持这些建议的天平如此倾斜感到有些惊讶。如果你们注意到我为表 1 和表 2 提供了 "n"(即样本量),而这两个表中的样本量都刚刚超过 40 个,那么你们可能会认为,40 个样本不足以对这些结果产生统计信心。你可能是对的;然而,这些结果,即使有其局限性,也表明 "水 2050 "正走在正确的道路上,这些建议正指向正确的方向。因此,是的,在这种情况下,只要超过 40 人就足够了。"水 2050 "建议的提出往往源于对未来水资源 "想象不可能 "的要求。我在 CoBank 论坛上与水务公司讨论的样本量较小,可能无法提供统计上的可信度,但它确实表明,如果你能想象不可能的事情,你可能并不是一个人在想象。人多力量大,即使只有 40 人--感谢 CoBank。
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引用次数: 0
Optimizing Hexavalent Chromium Removal in Italy 优化意大利的六价铬去除工作
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2355
Filippo Losi, Fabio Pavan, Paolo Torassa, Christian Zanni
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引用次数: 0
People in the News 新闻人物
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2359
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引用次数: 0
The Safe Drinking Water Act at 50: Another Identity Crisis 安全饮用水法》50 周年:另一场身份危机
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2352
G. Tracy Mehan III

The Safe Drinking Water Act (SDWA) of 1974 (amended in 1986, 1996, and 2018) shows the tension between purity and safety, cost and benefits, and balancing risks, down to today's policy debates.

Following the 1996 amendments, regulatory successes include arsenic, radionuclides, filter backwash recycling, total coliform, disinfectants and disinfection byproducts, and enhanced surface water treatment.

With recent drinking water standards, such as the 2024 per- and polyfluoroalkyl substances rule, based on very low detection levels, the SDWA continues to generate intense public dialogue.

1974 年的《安全饮用水法案》(SDWA)(于 1986 年、1996 年和 2018 年进行了修订)显示了纯净与安全、成本与效益以及风险平衡之间的紧张关系,直至今天的政策辩论。 1996 年修订之后,监管方面取得的成功包括砷、放射性核素、过滤器反冲洗循环、总大肠菌群、消毒剂和消毒副产物以及强化地表水处理。 最近的饮用水标准,如 2024 年的全氟和多氟烷基物质规则,以极低的检测水平为基础,SDWA 继续引发激烈的公众对话。
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引用次数: 0
Educational Opportunities 教育机会
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2357
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引用次数: 0
Laboratory Planning for Emergency Response to Water Contamination Investigations 水污染调查应急响应的实验室规划
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2350
John Consolvo, Hunter Adams, Ruth Marfil-Vega, Charles D. Hertz

While sample collection to monitor drinking water quality is a routine practice, water utilities must be prepared to address emergencies stemming from contamination.

Having a plan for collecting and analyzing water samples during emergency response or other unusual circumstances better ensures actionable results.

Guidance is available to help laboratories prepare to support a utility's emergency response.

虽然采集样本以监测饮用水水质是常规做法,但供水公司必须做好应对污染引发的紧急情况的准备。 制定在应急响应或其他异常情况下采集和分析水样的计划可更好地确保可操作的结果。 现有指南可帮助实验室为支持供水公司的应急响应做好准备。
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引用次数: 0
How FEMA's Reimbursement Program Works After Declared Disaster Incidents 联邦紧急事务管理局的补偿计划如何在宣布的灾难事件发生后运作
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2353
Eric T. Hatcher
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引用次数: 0
Microbial and DBP Rule Revisions: Balancing Risks 微生物和 DBP 规则修订:平衡风险
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2348
Chris Moody
<p>The US Environmental Protection Agency (EPA) continues to work toward proposing revisions for Microbial and Disinfection Byproduct (MDBP) rules next year. These potential rule revisions are focused on the Surface Water Treatment Rules and Stage 1 and Stage 2 Disinfectants and Disinfection Byproduct Rules, covering eight contaminant candidates: (1) chlorite, (2) <i>Cryptosporidium</i>, (3) haloacetic acids, (4) heterotrophic bacteria, (5) <i>Giardia lamblia</i>, (6) <i>Legionella</i>, (7) total trihalomethanes, and (8) viruses.</p><p>Since the Safe Drinking Water Act (SDWA) became law in 1974, US drinking water supplies have made monumental advances in protecting the public from microbial risks. This is, in part, thanks to a suite of seven MDBP rules that since 1996 have driven how water systems manage and balance these risks.</p><p>EPA is developing a proposed rulemaking, with the goal of publishing a proposal in summer 2025 and finalizing those revisions by February 2028. EPA is expected to complete required engagements with organizations representing state/local officials and small water systems in accordance with the Unfunded Mandates Reform Act, Executive Order 13132—Federalism, and the Small Business Regulatory Enforcement Fairness Act, respectively. Following these consultations, EPA will send the proposed rulemaking revising these rules to the White House Office of Management and Budget for review before publication.</p><p>AWWA's Government Affairs Office has worked with EPA and expert volunteers throughout this process, including hosting a series of workshops on MDBPs this summer to inform AWWA recommendations on the proposed rulemaking. Two of these workshops brought together subject matter experts, water utilities, and state regulators to discuss available data and potential revisions supported by the data. The third workshop allowed attendees to discuss potential revisions, available data, and research needs.</p><p>These discussions highlighted opportunities for EPA to enhance public health protection through rule revisions. There was broad support in the workshops for requiring certain water systems to conduct regular inspections of tanks for deficiencies that may threaten public health, establishing a minimum numeric secondary disinfectant residual level, and ensuring consecutive systems have the capacity to comply with water quality standards.</p><p>However, these discussions also emphasized the need for potential revisions to thoroughly consider the data (or lack thereof) to support potential revisions. Additionally, the discussions stressed the importance of considering both state regulator and utility staff capacity to implement the revised standards.</p><p>AWWA plans to continue working with EPA staff, state regulators, and expert volunteers, including representing water utilities as part of the consultations EPA is hosting with local officials and small water systems. These efforts will further support the rulemaking process
美国环境保护局(EPA)将继续致力于在明年提出微生物和消毒副产物(MDBP)规则的修订建议。这些潜在的规则修订主要针对地表水处理规则和第 1 和第 2 阶段消毒剂和消毒副产物规则,涉及八种污染物:(1) 亚氯酸盐、(2) 隐孢子虫、(3) 卤乙酸、(4) 异养菌、(5) 贾第虫、(6) 军团菌、(7) 总三卤甲烷和 (8) 病毒。自 1974 年《安全饮用水法案》(SDWA)成为法律以来,美国饮用水供应在保护公众免受微生物风险方面取得了巨大进步。这在一定程度上要归功于自 1996 年以来的七项 MDBP 规则,这些规则推动了供水系统如何管理和平衡这些风险。EPA 正在制定一项规则制定提案,目标是在 2025 年夏季发布提案,并在 2028 年 2 月之前完成这些修订。预计环保局将根据《无资金授权改革法》、《13132 号行政命令-联邦主义》和《小企业监管执行公平法》,分别与代表州/地方官员和小型水系统的组织完成必要的接触。AWWA 的政府事务办公室在整个过程中一直与 EPA 和专家志愿者合作,包括在今年夏天主办了一系列关于 MDBPs 的研讨会,以告知 AWWA 关于拟议规则制定的建议。其中两场研讨会汇集了主题专家、水务公司和州监管机构,讨论现有数据和数据支持的潜在修订。第三次研讨会允许与会者讨论潜在的修订、可用数据和研究需求。这些讨论强调了 EPA 通过修订规则加强公众健康保护的机会。在研讨会上,与会者广泛支持要求某些供水系统定期检查水箱是否存在可能威胁公众健康的缺陷、设定最低二级消毒剂残留数值水平以及确保连续供水系统有能力遵守水质标准。AWWA 计划继续与 EPA 工作人员、州监管机构和专家志愿者合作,包括代表供水公司参与 EPA 与地方官员和小型供水系统的协商。这些工作将通过对数据的技术分析和制定建议,进一步支持规则制定过程,从而在平衡供水公司其他优先事项的同时,改善对公众健康的保护。平衡微生物减少和 DBP 形成之间的风险权衡也很重要。
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引用次数: 0
Industry News 行业新闻
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2358
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引用次数: 0
Darren A. Lytle Honored With 2024 A.P. Black Research Award 达伦-A.-莱特尔荣获 2024 年度 A.P. 布莱克研究奖
IF 0.7 4区 环境科学与生态学 Q4 ENGINEERING, CIVIL Pub Date : 2024-10-16 DOI: 10.1002/awwa.2349
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引用次数: 0
期刊
Journal ‐ American Water Works Association
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