Home › The Rule Changed, and the Change Is Worth Knowing
The Rule Changed, and the Change Is Worth Knowing
Most of what is written about water reports online describes the 1998 rule. From 2027 a good deal of it will be out of date.
The takeaway
From 1 January 2027, community water systems serving 10,000 or more people must distribute their water quality report twice a calendar year, by 1 July and by 31 December. Smaller systems stay annual. EPA finalized the revisions on 15 May 2024, which also require plainer language and more detail where lead is concerned.
Source: U.S. EPA, Consumer Confidence Report Rule Revisions Comparison fact sheet.
Twice a year, for larger systems
The threshold is 10,000 people served. Above it, the report goes out twice per calendar year from 1 January 2027 — first by 1 July and again by 31 December. Below it, nothing changes: the report stays annual.
Systems with violations or elevated lead have additional six-month updates.
Source: U.S. EPA, Consumer Confidence Report Rule Revisions Comparison fact sheet; U.S. EPA, Questions and Answers: Consumer Confidence Report Rule Revisions.
Easier to find and easier to read
The revisions permit electronic delivery, with paper copies available on request and instructions for getting one. Communities of 50,000 or more publish on a public website with three years available. There are provisions for social media and text alerts to reach consumers who do not pay a bill.
The contaminant information moves from being required in one or more tables to being required in a clear and understandable format, which may include tables. That is a small change in wording and a large change in intent.
Translation
The old rule required a statement in appropriate languages telling speakers of those languages that the report contained important information. The revisions require translation support for communities with significant limited English proficiency populations, and language access plans from the largest systems.
Source: U.S. EPA, Consumer Confidence Report Rule Revisions Comparison fact sheet.
And the accountability changes
Certification to the primacy agency moves from three months after distribution to ten days. States must also submit to EPA, annually, the compliance monitoring data they already receive from public water systems.
The second of those is quiet and consequential: it puts state monitoring data into a federal collection rather than leaving it only with the state.
Source: U.S. EPA, Consumer Confidence Report Rule Revisions Comparison fact sheet; U.S. EPA, Consumer Confidence Report Rule Revisions.
Where your state is in all this
States administer these rules, and EPA’s January 2026 memorandum set 25 May 2026 as the date for primacy agencies to submit a revision application, with a possible extension of up to two years.
So the practical date at your own address depends on your state, and the place to ask is the state drinking water program.
Source: U.S. EPA, Consumer Confidence Report Rule Revisions primacy memorandum, January 2026.
Read your report before you buy anything.It is published about your own system, it costs nothing, and it is the only thing that turns “I want a filter” into a question with an answer. If you do want something installed after that, we will route you to a contractor covering your area, matched on your ZIP code — you are never charged. Filtration is only our subject — every sort of plumbing job can be routed from here.
Call (888) 834-7350