What are endocrine disrupting compounds (EDCs) found in water?

Endocrine disrupting compounds (EDCs) are natural and synthetic chemicals, such as estrogens, bisphenol A, phthalates, and certain pesticides, that interfere with hormonal systems. These micropollutants can be present in water at extremely low concentrations, typically in the nanogram per liter (ng/L) to picogram per liter (pg/L) range. Their presence in environmental waters raises concerns for both human and ecosystem health.

Is endocrine activity a risk in drinking water?

A study across six countries found that endocrine activity and detected chemical concentrations in drinking water samples were low and below relevant Effect-Based Trigger values (EBTs). This suggests no immediate risk to human endocrine health from the tested drinking water samples. However, advanced treatment technologies like reverse osmosis offer an additional layer of purification for peace of mind.

What are the environmental risks of EDCs in surface water and wastewater?

The study indicated that some treated wastewater and surface water samples exhibited endocrine activity (e.g., estrogenic, glucocorticoid) above quantification limits. These samples sometimes exceeded Effect-Based Trigger values (EBTs), suggesting a potential risk to ecosystem health. This highlights the critical need for robust wastewater treatment before discharge into natural environments.

How can advanced water treatment remove endocrine disrupting compounds?

Advanced water treatment technologies, particularly reverse osmosis, are highly effective in removing endocrine disrupting compounds and other micropollutants from water. These systems utilize semi-permeable membranes to filter out contaminants, ensuring high-quality treated water. AMPAC USA designs commercial and industrial reverse osmosis systems specifically engineered to address these challenging water purification needs with certified performance.

At what concentrations do endocrine disrupting compounds affect water quality?

Endocrine disrupting compounds can interact with hormonal systems at extremely low concentrations, typically ranging from nanograms per liter (ng/L) down to picograms per liter (pg/L). While drinking water samples in the study showed concentrations below risk thresholds, some wastewater and surface water samples exceeded Effect-Based Trigger values, indicating a potential risk to ecosystem health at these low levels.

Analysis of endocrine activity in drinking water, surface water and treated wastewater from six countries.

Sammy FaragAMPAC USA — February 12, 2019

Analysis of endocrine activity in drinking water, surface water and treated wastewater from six countries.

By Sammy Farag . February 12, 2019

Endocrine disrupting compounds (EDCs) show up in drinking water. We’re talking about things like natural and synthetic estrogens, bisphenol A, phthalates, and even some pesticides. They mess with our hormonal systems, even in tiny amounts – think nanograms or picograms per liter. Research from all over the world has documented this endocrine activity. Good news is, advanced water treatment, especially reverse osmosis, really helps with these water quality problems. AMPAC USA builds commercial and industrial systems specifically for these needs, and we have the certified performance to back it up.

Water Research – Volume: 139 Pages: 10-18 Published: 2018 Publication Type: J Document type: Journal Article – DOI: 10.1016/j.watres.2018.03.056

Abstract:
Our water environments can contain many micropollutants. People worry about endocrine activity in environmental waters and what that might mean for human and ecosystem health. This study used both chemical analysis and in vitro bioassays to check for endocrine activity in treated wastewater, surface water, and drinking water samples. They collected these samples from six different countries: Germany, Australia, France, South Africa, the Netherlands, and Spain. The bioassay tests looked at seven endocrine pathways, and they chemically analyzed 58 different substances, including pesticides, medicines, and industrial compounds. Most water samples had endocrine activity below what they could measure. Only two out of six treated wastewater samples and two out of six surface water samples showed estrogenic, glucocorticoid, progestagenic, or anti-mineralocorticoid activity above the detection limit. Based on the available effect-based trigger values (EBT) for estrogenic and glucocorticoid activity, some of the wastewater and surface water samples actually went over the EBT. This suggests these environmental waters might pose a risk to ecosystem health. On the other hand, the drinking water samples didn’t show much bioassay activity, and they had very low chemical concentrations. This suggests there isn’t a risk to human endocrine health, with all samples below the relevant EBTs. All rights reserved, Elsevier

The post appeared first on .

Source: Water Feed