What is a Consumer Confidence Report (CCR)?

A Consumer Confidence Report is the annual water quality report that every community water system in the US is federally required to publish by July 1 each year, covering the previous calendar year. It lists what is in your tap water, including hardness data for many utilities, and it is free. Search your city or utility name plus 'water quality report' or 'CCR' to find it.

Where do I find hardness on my water report?

Look for a line labeled 'hardness', 'total hardness', or 'hardness as CaCO3', often in a secondary or aesthetic parameters table rather than the main contaminant table, since hardness is not a health contaminant. It is usually reported in ppm or mg/L (identical units) and sometimes in grains per gallon. Multiply grains per gallon by 17.1 to convert to ppm.

What hardness number is bad for hair?

Using USGS bands: under 60 ppm is soft, 61 to 120 is moderately hard, 121 to 180 is hard, and above 180 ppm is very hard. Above roughly 120 ppm, mineral film builds noticeably on hair over weeks of washing. Above 180, buildup is fast and most people notice dullness, stiffness, and mineral-related breakage.

My report doesn't list hardness. Now what?

Not every utility publishes hardness because it is not federally regulated. Three fallbacks: call your utility and ask (they measure it even when they do not print it), check the USGS national hardness map for your region, or test at home with a hardness strip, which reads your actual shower rather than the utility average.

The Almanac · How-to

How to Read Your City's Water Quality Report in 5 Minutes

Growing SZN Research Desk · August 28, 2026

Quick answer Search your city or utility name plus "water quality report" or "CCR." Every US water utility must publish one annually by July 1. Skip the contaminant tables and find the line called "hardness" or "hardness as CaCO3," usually in the secondary parameters section. Under 60 ppm you're soft, over 120 your hair is collecting mineral film, over 180 you're in very hard territory. If hardness isn't listed, call the utility or use a test strip.

Your water utility already told you exactly what's in your shower. They do it every single year, in a document almost nobody reads. It's called a Consumer Confidence Report, and reading it takes five minutes once you know which parts to skip.

Step 1: Find it (60 seconds)

Every community water system in the US is federally required to publish a Consumer Confidence Report by July 1 covering the previous year. Search: your city name + "water quality report," or your utility's name + "CCR." Most utilities post a PDF; bigger cities have a lookup by address. If you rent and pay no water bill, search your city anyway, it's the same water.

Step 2: Skip the scary-looking tables (30 seconds)

The bulk of a CCR is regulated-contaminant tables: lead, disinfection byproducts, bacteria monitoring. Those matter for drinking safety, and your utility is required to flag any violations prominently. But none of that is the hair story. Keep scrolling.

Step 3: Find the hardness line (2 minutes)

Look for a section called "secondary parameters," "aesthetic parameters," "other water characteristics," or similar. Hardness is not a health contaminant, so it lives in the appendix section, when it's printed at all. You're looking for:

"Hardness," "Total Hardness," or "Hardness (as CaCO3)", reported in ppm or mg/L. The two units are identical.
Sometimes grains per gallon (gpg). Multiply by 17.1 to get ppm. So 10 gpg = 171 ppm, which is nearly very hard.
Often a range ("120 to 260 ppm"). Utilities blend sources through the year, so your actual shower moves around inside that range.

Step 4: Translate the number (90 seconds)

Your number	Band	What your hair experiences
0 to 60 ppm	Soft	Minerals are rarely your problem
61 to 120	Moderately hard	Slow film buildup over months
121 to 180	Hard	Film builds with every wash
180+	Very hard	Fast deposit: dullness, stiffness, mineral-related breakage

These are the USGS bands. If your city sits above 120, the "my products stopped working" feeling probably isn't your products. The full science breakdown covers what the minerals actually do to the strand.

Two honest caveats. First, the CCR reports a system-wide average or range, and your neighborhood can sit anywhere inside it depending on which source feeds your pipes. Second, hardness isn't federally regulated, so some utilities simply don't print it. In both cases a home test strip settles it in seconds with a reading from your actual shower, which is why we put strips in every box.

If your report doesn't list hardness

Call the utility. They measure hardness for treatment purposes even when they don't publish it, and the water quality department will usually just tell you.
Check the USGS map. The national hardness map gives your region's groundwater picture.
Strip test at home. The only method that reads your exact tap, today.

Once you know your number, everything else gets simple: soft water folks can stop worrying about minerals entirely, and everyone above 120 ppm finally has the explanation for the dullness no new conditioner ever fixed. Fix cadence to your number, not to marketing: hard water calls for a chelating reset every week or two, moderately hard about monthly.