Hexavalent Chromium MCL Joint Comment Letter Aug 18, 2023 Comment Letters Agency: State Water Resources Control Board Subject: Joint Comment Letter regarding Proposed Hexavalent Chromium Maximum Contaminant Level and Initial Statement of Reasons Letter excerpt: The Association of California Water Agencies (ACWA), the California Municipal Utilities Association (CMUA), the California-Nevada Section, American Water Works Association (CA-NV AWWA), and the California Water Association (CWA) appreciate the opportunity to submit joint written comments to the State Water Resources Control Board (State Water Board) regarding the proposed Adoption of a Regulation for the Hexavalent Chromium Maximum Contaminant Level (proposed Cr(VI) MCL) of 10 parts per billion (ppb). ACWA represents over 460 local public water agencies that supply water for domestic, agricultural, and industrial uses to over 90% of California’s population. CMUA represents over 50 public water agencies that deliver water to over 75% of California. CA-NV AWWA’s membership in California includes some 470 utilities and approximately 4,700 individual water professionals. CWA is the statewide association representing the interests of 94 drinking water utilities subject to the jurisdiction of the California Public Utilities Commission. Our associations’ members collectively are entrusted with the responsibility of supplying the public with safe and reliable drinking water. Ensuring the safety of these supplies by meeting or exceeding all relevant state and federal standards is the highest priority of these agencies. Download Comment Letter