In this episode of Talking Under Water, Mandy Crispin and Bob Crossen discuss the EPA’s proposal to establish a national primary drinking water regulation for perchlorate under the Safe Drinking Water Act. The hosts break down the proposed rule, monitoring requirements, cost implications, and what utilities should prepare for, plus give updates on PFAS treatment research and recent wastewater spills.

• EPA proposes national drinking water rule for perchlorate
• Federal Register: Proposed national primary drinking water regulation for perchlorate
• What do the new PFAS MCLs mean for the water industry?
• Steps water systems can take to address perchlorate in drinking water (2020 EPA guidance document)
• New copper-aluminum layered double hydroxide technology offers sustainable PFAS remediation
• Georgetown isolates 42-inch wastewater line failure after San Gabriel River spill
• Houston reports wastewater spill exceeding 100,000 gallons following collection system failure

• 00:00 – Cold open
• 00:54 – Introduction to episode and overview
• 01:32 – EPA proposal for perchlorate regulation explained
• 03:49 – Comparing perchlorate MCLs to PFAS standards
• 05:00 – Binning approach for monitoring frequency
• 07:21 – Waiver process for reduced monitoring
• 09:41 – Initial monitoring requirements and costs
• 10:02 – Public comment deadline and hearing details
• 11:04 – PFAS treatment research update
• 12:23 – Wastewater spill reports
• 15:29 – Housekeeping

Talking Under Water is the premier podcast for the water industry, including municipal water and wastewater, residential water treatment, storm water management and erosion control. It is produced in coordination between Wastewater Digest (WWD), WaterWorld (WW) and Stormwater Solutions (SWS). The podcast covers topics under the One Water movement including the municipal and industrial water and wastewater, residential, storm water and erosion control markets. Talking Under Water highlights news, trends, new technologies, industry discussions and interviews with experts across the municipal water industry. New episodes of the podcast are released every other week. Logo Images: Anatoly Tiplyashin / Romolo Tavani / stock.adobe.com.

In this episode of Talking Under Water, the hosts discuss the state of the industry surveys from each water brand — Wastewater Digest and WaterWorld — with some data points. The hosts provide some analysis of the results, including what some of the biggest challenges and trends are moving into 2026.

• 2025 State of the One Water Industry
• 2024 State of the One Water Industry

• Cold open | 0:00
• Episode summary | 1:01
• Financial trends | 6:29
• Organizational health | 9:45
• Key industry issues | 32:05
• Housekeeping | 40:24

• WWD Videos
• WW Magazine Subscription
• StormCon Registration

Talking Under Water is the premier podcast for the water industry, including municipal water and wastewater, residential water treatment, storm water management and erosion control. It is produced in coordination between Wastewater Digest (WWD), WaterWorld and Storm Water Solutions (SWS). The podcast covers topics under the One Water movement including the municipal and industrial water and wastewater, residential, storm water and erosion control markets. Talking Under Water highlights news, trends, new technologies, industry discussions and on-site interviews with experts across the municipal water industry. New episodes of the podcast are released every other week. Logo Images: Anatoly Tiplyashin / Romolo Tavani / stock.adobe.com.  

Contact the Talking Under Water podcast editors by emailing talkingunderwater@endeavorb2b.com engaging with them on Twitter @TUWpodcast. Join the conversation by commenting or using the hashtag #talkingunderwaterpod on social media. 

In this episode of Talking Under Water as Kaitlin Spiridellis shares insights from her year-long global fellowship exploring water challenges and solutions across five continents. From Europe’s luxury water market and Vienna’s century-old gravity-fed system to sanitation campaigns in Indonesia, equity efforts for First Nations in Australia, and innovative partnerships in Africa, this episode uncovers surprising patterns in water stress and highlights emerging technologies shaping the future of “One Water” management. Kaitlin also reflects on the emotional impact of her journey and her optimism for global collaboration in building resilient, equitable water systems.

• World of water landing page
• The Water Chronicles: A Journey to Understand the World’s Water Disparities

• Cold open - 0:00
• Host introduction and episode summary - 0:53
• Europe segment - 2:04
• Australia - 15:04
• Africa - 19:00
• Global themes & future outlook- 22:44
• Personal reflection - 33:00
• Housekeeping - 36:55

Talking Under Water, a production of Endeavor Business Media, a division of EndeavorB2B, is the premier podcast for the water industry, including municipal water and wastewater, residential water treatment, storm water management and erosion control. It is produced in coordination between Wastewater Digest(WWD), WaterWorld and Stormwater Solutions (SWS). The podcast covers topics under the One Water movement including the municipal and industrial water and wastewater, residential, stormwater and erosion control markets. Talking Under Water highlights news, trends, new technologies, industry discussions and interviews with experts across the municipal water industry. New episodes of the podcast are released every other week. Logo Images: Anatoly Tiplyashin / Romolo Tavani / stock.adobe.com.  

Contact the Talking Under Water podcast editors by emailing talkingunderwater@endeavorb2b.com engaging with them on X @TUWpodcast. Join the conversation by commenting or using the hashtag #talkingunderwaterpod on social media.