Checklist: Completing a Consumer Confidence Report
This checklist is meant as a reminder to include certain elements
in your annual consumer confidence report (CCR)
This list is not exhaustive. There may be additional elements you
need to include in your CCR, depending on your system's particular
monitoring requirements. For the complete CCR requirements, see
WAC
246-290 Part 7, Subpart B or the Environmental Protection Agency (EPA)
guidance document entitled Preparing
Your Drinking Water Consumer Confidence Report.
Water system information
- Telephone number and name of water system contact
person.
- EPA's hotline number 1-800-426-4791.
- Information about public participation opportunities.
- Statements in
non-English languages, if appropriate for your community, saying
the report is about drinking water quality and suggesting that people
seek help to read it.
Sources of water
- Type, common name, and location of sources of water.
- Information about the susceptibility of the sources to
contamination, if available.
Definitions
- Regulatory standards: MCL, MCLG, MRDL, MRDLG, AL, TT, etc., as
needed.
- Concentration units: ppb, ppm, pCi/L, mg/L, etc., as
needed.
- Others as needed. All abbreviations and acronyms must
be defined.
Detected contaminants in one or more tables
- Summary of the results of your system's monitoring
requirements (detected regulated and unregulated state and federal
contaminants only).
- MCL, MCLG, MRDL and MRDLG converted to a value greater than 1.0.
Convert your system’s detected result also.
- Treatment technique or action level if there is no MCL
or MRDL.
- Compliance monitoring data in MCL or MRDL units, with the
highest compliance level and range of sample results.
- For coliforms, reporting varies (see regulation).
- For lead and copper, 90th percentile value, and the
number of sampled sites that exceeded the action level.
- For turbidity, reporting varies (see regulation).
- For unregulated contaminants, average and range of
detections.
- If monitoring is conducted less than once a year,
include date of most recent sample, result, and statement that data is
from most recent sampling.
- Known or likely source of each detected contaminant.
- MCL violations highlighted.
Elsewhere in the report
- For primary MCL violations, health effects language
and explanation.
- Information on cryptosporidium, radon and other
contaminants, if applicable.
Compliance with other drinking water regulations
- Explanation of any violations, potential health
effects, and steps taken to correct the violations. The most common
violations include failure to monitor.
- Failure to report and keep records of compliance
data.
- Failure to filter and disinfect, if required to do so.
- Failure to control lead and copper, if required to do
so.
- Explanation of variance/exemption, if applicable.
Required educational information
- Explanation of contaminants and their presence in
drinking water.
- Warning for vulnerable populations.
- Informational statements on arsenic, nitrate, lead,
and total trihalomethanes (TTHMs), if applicable.
Report delivery and record-keeping
- Send report and certification to the DOH Drinking
Water Regional Office for your system's county.
- Send report and certification to arrive at DOH by July
1. Reports that reach DOH after July 1 are considered late, even if
they are postmarked on July 1.
- Send a copy of your report to all of your service
connections.
- Make a good faith effort to reach non-bill paying
consumers (such as renters, apartment dwellers, students and workers).
- Keep a copy of your certification and report for your
records for three years.
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