Administrative Documents of a Regulation for the Hexavalent Chromium MCL Apr 29, 2022 Comment Letters Agency: State Water Resources Control Board Subject: ACWA and CMUA Comment Letter regarding Administrative Documents of a Regulation for the Hexavalent Chromium Maximum Contaminant Level Letter excerpt: The Association of California Water Agencies (ACWA) and California Municipal Utilities Association (CMUA) appreciate the opportunity to submit written comments to the State Water Resources Control Board (State Water Board) regarding the Administrative Draft of the Adoption of a Regulation for the Hexavalent Chromium Maximum Contaminant Level (MCL) of 10 parts per billion (ppb) following the public workshops held on April 5 and 7, 2022. 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 Californians. ACWA’s and CMUA’s public agency members 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