Physical & aggregate
Chemical Oxygen Demand in U.S. tap water
2 public water systems across 2 U.S. states report Chemical Oxygen Demand in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (1)
| Water system | Measured |
|---|---|
| West Jordan, UT 2024 annual report | Not detected mg/L |
Frequently asked
+What is Chemical Oxygen Demand?
Chemical Oxygen Demand is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+Does Chemical Oxygen Demand have a federal limit in drinking water?
Chemical Oxygen Demand does not have an enforceable federal MCL. Utilities still report any measured levels in their annual Consumer Confidence Report.
+How many U.S. water systems have Chemical Oxygen Demand over the federal limit?
Zero of the 2 public water systems in The Water Map dataset currently report Chemical Oxygen Demand at or above its federal limit.
+How can I check if Chemical Oxygen Demand is in my city's tap water?
Search your city on The Water Map (https://www.thewatermap.com/) or browse the list on this page. Every U.S. public water utility is required to publish an annual Consumer Confidence Report that lists every contaminant it measured, including Chemical Oxygen Demand.