Browse our knowledge hub

Access the evidence you need to make informed decisions. Our Knowledge Hub is a curated library of the latest research, case studies, and practical guides from leading experts in the WASH sector. Deepen your understanding of critical challenges and emerging best practices.

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Latest sync: November 4, 2026, 6:05am

Cadmium Factsheet

Factsheet
CDC’s Division of Laboratory Sciences coordinates the National Biomonitoring Program (NBP) which offers an assessment of nutritional status and the exposure of the U.S. population to environmental chemicals and toxic substances.

Summary Document from the Health Advisory for Boron and Compounds

Summary of the health effects of boron, a naturally occurring element found in soil, water, and food, and recommends a safe level of boron exposure in drinking water to protect public health.

Is there Boron in My Drinking Water?

Factsheet
Alberta Health Services provides information on boron in drinking water, including sources of boron, health effects of exposure, and guidelines for safe levels of boron in drinking water

Public Health Statement for Barium

Information on the health effects of boron, including how it enters the body, what it does in the body, and what levels are safe for human consumption.

Barium Fact Sheet

Factsheet
Barium in drinking water, including sources of barium, health effects of exposure, and guidelines for safe levels of barium in drinking water.

Estimating the High-Arsenic Domestic-Well Population in the Conterminous United States

Journal Article
Evaluates the effectiveness of in-line chlorination in improving household stored drinking water quality and reducing child diarrhea in low-income urban settings with intermittent water supply.

Arsenic

Factsheet
WHO fact sheet on arsenic provides key facts and information on sources of exposure, health effects, WHO response.

Arsenic Fact Sheet

Factsheet
Provides information on the sources, health effects, and treatment options for arsenic in drinking water.

Aluminum in drinking water: Guideline technical document for consultation

The purpose of this consultation is to solicit comments on the proposed guideline and operational guidance (OG) value, on the approach used for their development, and on the potential economic costs of implementing them.