How to Read Kirksville’s Annual Water Quality Report

Kirksville publishes an annual drinking-water report, also called a Consumer Confidence Report.

The report is easiest to understand when you stop treating every nonzero number as a problem and instead compare each detected result with the regulatory standard beside it.

Kirksville's public water system identification number is MO2010429.

Start with the report year

The City updates its water-quality reports annually for the prior year.

That means a report published in 2026 summarizes 2025 monitoring information.

The City's current archive includes reports going back to at least 2008.

For present conditions, use the newest available report rather than an older PDF found through search.

What does MCL mean?

MCL means Maximum Contaminant Level.

It is the highest level of a regulated contaminant allowed in drinking water under the applicable standard.

When reading a table, compare the detected amount with the MCL.

A detected amount below the applicable limit is not the same thing as a violation.

What is MCLG?

MCLG means Maximum Contaminant Level Goal.

This is a health-protective goal rather than the enforceable limit.

The MCLG can therefore differ from the MCL.

That distinction is why the report may show two different regulatory numbers for the same contaminant.

What is an Action Level?

An Action Level is a concentration that triggers treatment or other required action when the applicable regulatory conditions are met.

Lead and copper reporting often uses action-level logic rather than a simple "highest allowed amount in every sample" model.

Read the notes beneath the table before treating an action-level entry like an ordinary MCL.

What do ppm and ppb mean?

Reports commonly use units such as:

• ppm — parts per million;
• ppb — parts per billion.

A tiny unit does not make the result meaningless, and a nonzero result does not make it unsafe.

The number only makes sense when compared with the standard for that contaminant.

Detected does not mean violated

Drinking water can contain measurable amounts of regulated substances while still meeting drinking-water standards.

The report should identify violations separately.

Look for:

• an explicit violation column or notice;
• explanatory text describing a failed standard;
• required public-notice language;
• corrective-action information.

Do not infer a violation simply because a contaminant appears in the detected-results table.

Some results represent different monitoring periods

Not every contaminant is necessarily sampled on the same schedule.

A report may include data collected under monitoring cycles allowed by the regulatory program.

Read the table notes and monitoring dates before comparing one year with another.

Where does Kirksville's water come from?

Kirksville currently draws raw water from Forest Lake and Hazel Creek Lake.

The Water Treatment Plant treats that water before it enters the distribution system.

For the historical development of that infrastructure, see How Kirksville’s Water System Developed.

Where to find the current report

Use the City's Water Quality Report page or Missouri Department of Natural Resources' Consumer Confidence Report system for public water system MO2010429.

The best way to read the report is not to ask, "Was anything detected?"

Ask instead:

What was measured, what standard applies, and did the system meet that standard?