Copper and Manganese: Why Some Water Tests Skip Them

You open a water test report, or compare two test kits side by side, and copper and manganese are nowhere on the list. Some tests leave both out because neither metal has an enforceable, health-based federal limit for drinking water, and shorter or lender-style packages tend to focus on enforceable limits.

At ETR Laboratories, our Basic Well Water Test lists both metals, and only our FHA Water Test, built for lender requirements, leaves them out. What these metals are and how they affect health is covered in our look at the 12 heavy metals in drinking water, so we stay on testing here.

In this article, we compare what four tests include, show where copper and manganese fall in EPA’s rules, and explain how to check any panel before you buy.

Key Takeaways

• No two labs mean the same thing by a standard panel, so copper and manganese appear on some lists and not on others.
• Neither metal has an enforceable, health-based federal drinking water limit, though both have non-enforceable secondary guidelines for taste, color and staining.
• Copper also has a 1.3 mg/L action level at the tap under the Lead and Copper Rule, which manganese does not have.
• Shorter and lender-style tests tend to be built around the enforceable list, so leaving these metals out is a packaging choice.
• Before you buy, find both metals by name on the analyte list and confirm the reporting limit is low enough for your benchmark.

What “Standard Panel” Means Depends on the Lab

No two labs mean the same thing by a standard panel, so a heavy metal water testing package that includes copper and manganese at one lab can leave them out at another. The table compares four tests, with prices as of October 1, 2026.

Test	Includes Copper and Manganese?	Price	What It Covers
ETR Labs Basic Well Water Test	Yes, both	$179	53 substances
ETR Labs FHA Water Test	No, neither	$80	9 analytes
University of Wisconsin-Stevens Point Homeowner Package	No, neither	$78	Bacteria, nitrate, pH, hardness
University of Wisconsin-Stevens Point Standard Metals Package	Yes, both	$75	14 elements

Some tests skip these metals, but not all do, and panel tier names are marketing labels, as our comparison of Basic, Premium and Ultimate panels explains.

These two metals drop off some lists because of how EPA classifies them.

Copper and Manganese Sit Outside EPA’s Health-Based Limits

Neither metal has an enforceable, health-based maximum limit like lead or arsenic, which is why shorter panels leave them out. EPA doesn’t enforce a limit for manganese, and it handles copper through a tap-sampling trigger.

EPA uses three kinds of numbers, and the two metals land in different places among them.

Primary Standards: Enforceable and Aimed at Public Systems

EPA’s National Primary Drinking Water Regulations are legally enforceable standards and treatment techniques that apply to public water systems, and manganese does not appear in that table at all. The enforceable numbers in it are the Maximum Contaminant Levels behind EPA drinking water quality standards.

Private wells sit outside this structure, since the quality and safety of water from private domestic wells is not regulated by the federal government under the Safe Drinking Water Act. Local agencies may offer guidance, but standards for private wells vary by location.

Secondary Standards: Guidelines for Taste, Color and Staining

Secondary standards are non-mandatory guidelines for taste, color and odor that EPA does not enforce. Under EPA’s secondary drinking water standards, copper is set at 1.0 mg/L, linked to metallic taste and blue-green staining, and manganese at 0.05 mg/L, linked to black-to-brown color and black staining.

States may set higher or lower levels depending on local conditions, and our water quality recommendations for private wells also use 0.05 mg/L as the manganese benchmark.

Manganese also has a separate EPA health advisory from January 2004, with a lifetime value of 0.3 mg/L and a 10-day value of 1 mg/L, though EPA advises the 0.3 mg/L value for infants younger than 6 months. A health advisory is technical guidance, not an enforceable limit.

Copper’s Second Number: The Action Level at the Tap

Copper has an action level of 1.3 mg/L under EPA’s Lead and Copper Rule, which works as a treatment technique for public water systems. Systems sample customer taps, and if copper exceeds 1.3 mg/L in more than 10 percent of the samples, they must take steps to control corrosion.

That tap sampling is why copper shows up alongside lead in tap testing, while manganese has no equivalent. With these numbers in mind, the way some tests are built starts to make sense.

Why Cheap and Compliance-Style Tests Leave Them Out

Shorter tests tend to be built around the enforceable list, an observation from comparing panels and not a published rule. Here are the patterns we see:

• Lender packages, such as our FHA Water Test, carry a short list of nine analytes that includes lead and iron but omits both metals.
• Homeowner-tier packages often stop at bacteria, nitrate, pH and hardness.
• Metals are frequently sold as a separate tier, as with the $75 Standard Metals Package from the same university lab.

In heavy metal water testing, the omission is a packaging choice, not an analytical limit, since EPA Method 200.8 and EPA Method 200.7 both list copper and manganese. Typical price tiers, up to a standard panel that adds lead, copper and arsenic, follow the same logic.

Once you know why a panel omits them, checking yours takes only a few minutes.

How to Check Any Water Test for Copper and Manganese

The quickest check is to read the analyte list before you pay, since a panel name alone will not tell you. Here are four checks to run on any heavy metal water testing option:

• Find copper and manganese by name on the analyte list, because a label such as “metals included” does not guarantee either one.
• Confirm the reporting limit is below the level you care about, such as 0.05 mg/L for manganese, since a “not detected” result at a higher limit tells you little.
• Ask whether the lab compares results with secondary levels or only with primary ones.
• Look for a lead-and-copper first-draw option if plumbing is the concern.

Our Basic Well Water Test lists both, along with 51 other substances. These questions to ask before paying for a water test help you compare labs further.

Should You Order a Separate Copper or Manganese Test?

A separate test makes sense when your current panel does not list the metal, and it adds nothing when the panel already does. It can also help if a lender package left a metal out and you still want the information, or if you need a lower reporting limit or a different sample type.

For copper, a plumbing concern may call for a first-draw sample rather than copper added to a general well sample. For manganese, confirm the reporting limit suits your benchmark. Our Heavy Metals Water Test is one broader option, and add-on testing is not always necessary.

When Adding Them Is Worth It

Black or brown staining can point toward manganese, and our explanation of brown and black well water covers what each color can mean. A copper concern tied to plumbing is a good fit for our First Draw and Flush Lead and Copper test, which samples water after it sits in the pipes for at least six hours.

Frequently Asked Questions

Here are quick answers to common questions about these two metals.

Is manganese regulated in drinking water?

Not with an enforceable federal limit. EPA has no maximum contaminant level for manganese, only a non-enforceable secondary level of 0.05 mg/L and a health advisory, and private wells are not regulated under the Safe Drinking Water Act.

Why is copper tested at the tap?

Copper often enters water through household plumbing, as our guide to what a private well needs tested notes, so EPA’s Lead and Copper Rule has public systems sample at customer taps against a 1.3 mg/L action level. A first-draw sample can show whether your own plumbing contributes.

Does a basic water test include copper and manganese?

It depends on the lab. Some include both, some sell them as a separate metals package, and lender-style tests leave them out. Our Basic Well Water Test lists both, while our FHA Water Test does not.

How do I test for manganese in well water?

Use a laboratory test that lists manganese by name, with a reporting limit low enough for your benchmark, and follow the lab’s collection instructions. Our Manganese Water Test covers it on its own.

What level of manganese is acceptable in drinking water?

Manganese has no federal maximum contaminant level. EPA’s non-enforceable secondary level is 0.05 mg/L, and separate health advisory guidance exists. The benchmark you use depends on your purpose and state, since private wells are not federally regulated.

Can a water softener remove manganese?

Some treatment systems may remove manganese under certain conditions, but the choice depends on concentration, iron, pH and other water chemistry, and a standard softener will not solve every case. Test first, then talk through treatment with an expert.

Check Your Panel Before You Buy

Read the analyte list for copper and manganese before you order any test. Our Basic Well Water Test ($179, 53 substances) is a good first full check, and our $45 Copper Water Test is a simple add-on if your current panel leaves copper out. 

At ETR Laboratories, our Basic Well Water Test, Copper Water Test and Manganese Water Test each include a free consultation with our experts, and every kit arrives with sample bottles, instructions and a prepaid return label.