Water

OEHHA performs major risk assessment and hazard evaluation activities relating to chemical contaminants in drinking water. These activities include developing health advisories, Public Health Goals for chemical substances in drinking water, Notification Levels, and providing toxicological assistance for chemical monitoring activities for the drinking water supply. The program also provides education to the public and other governmental agencies on drinking water contamination and drinking water regulatory standards development.

Public Health Goals

Level of a chemical contaminant in drinking water that does not pose a significant risk to health

Notices

Legal notices for Public Health Goals and Notification Levels

Notification Levels

Health-based advisory levels for chemicals in drinking water

Reports

Reports focusing on water

Human Right to Water

OEHHA’s assessment framework and data tool related to drinking water quality, accessibility, and affordability

Reports, Notices, Documents

Oct 14, 2019: The Human Right to Water in California
OEHHA announces the release of the draft report, Achieving the Human Right to Water in California: An Assessment of the State’s Community Water Systems. Comment period is extended to November 8, 2019. Schedule of public events: October 3, 2019: Public Webinar 1:00 pm – 2:30 pm; October 11, 2019: Academic Experts Workshop in Sacramento; October 17, 2019: Technical Forum in Sacramento; October 23, 2019: Community Workshop in Fresno; October 28, 2019: Community Workshop in Ontario.
Feb 7, 2019: Health Risk Information for Public Health Goal Exceedance Reports
This document contains health risk information on regulated drinking water contaminants to assist public water systems in preparing these reports. A PHG is the concentration of a contaminant in drinking water that poses no significant health risk if consumed for a lifetime. PHGs are developed and published by OEHHA (Health and Safety Code Section 116365) using current risk assessment principles, practices and methods.

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