What's in Rowland Water District — Rowland Heights, Ca, CA tap water

Every one of the 39 contaminants measured in Rowland Water District — Rowland Heights, Ca, CA's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.

39 contaminants were measured in Rowland Water District — Rowland Heights, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and other. 10 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

2 contaminants are between 80% and 100% of the federal limit in this report: Turbidity and Chlorine Total. Approaching means measured but not in violation — a margin that can close quickly if conditions change.

Every value is transcribed from Rowland Water District — Rowland Heights, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.