Home Water Testing: City, Well Water & Microplastics
Learn how to test city or well water, read results, and spot microplastics. The Wellness Quality Institute helps brands verify plastic-related claims.
Read articleNational Water Quality Month: Protect Your Drinking Water
Learn how to read your water report, compare tap vs. bottled water, and verify plastic-free claims. The Wellness Quality Institute shows you how.
Written by: Scott Steveson, Specialist, Wellness Quality Institute
Key Takeaways for Your Drinking Water and Plastic Exposure
- National Water Quality Month, observed each August, is a good reminder for U.S. households to find and read their water utility’s annual Consumer Confidence Report.
- Recent EPA data shows most public water systems meet federal standards, yet 31 percent still report at least one violation, with small rural systems facing the greatest challenges.
- Consumer Confidence Reports explain where your water comes from, what was found in it, and whether any results broke federal rules, so you can make informed choices about your tap water.
- Studies consistently find higher microplastic levels in bottled water than in tap water, so properly managed municipal tap water is usually the lower-microplastic choice for households.
- Learn more about reducing plastic exposure and backing up product claims with real data at the Wellness Quality Institute website.
How National Water Quality Month Started and What It Focuses On
National Water Quality Month was established in 2005 to highlight how protecting rivers, lakes, and groundwater supports safe drinking water at the tap. The observance rests on a simple idea: clean drinking water starts with clean source water. Communities are encouraged to consider how daily choices affect rivers, reservoirs, and aquifers, which supply the public water systems that serve most Americans.
Why National Water Quality Month Still Matters in 2026
The EPA’s 2024 National Public Water Systems Compliance Report counted 147,252 active public water systems in the United States during calendar year 2024. Nearly 69 percent, or 101,272 systems, had no reported violations of drinking water standards. That leaves 31 percent, or 45,980 systems, with at least one reported violation. Seven percent of all active systems had at least one health-based violation, which means a contaminant exceeded its legal limit or a required treatment step was missed. Twenty-three percent failed at least one monitoring or reporting requirement, which means contaminant data was late, incomplete, or missing.
Violation rates are not evenly spread across the country. An analysis of EPA SDWIS data found that, among states with at least 50 community water systems, Oklahoma had the highest share with at least one health-based violation (92 percent), followed by New Mexico (74.6 percent), Alaska (67.8 percent), Louisiana (65.9 percent), and West Virginia (63.2 percent). The pattern is consistent. States with the highest violation rates tend to have many very small, rural water systems that face the same federal testing and treatment rules as large utilities but have far less revenue, staff, and ratepayer base.
The County Health Rankings 2026 supplemental data release incorporated 2024 EPA data and noted that a new violation code, covering failure to complete the initial lead service line inventory by October 16, 2024, contributed to a sharp increase in systems reporting health-based violations. That context matters when you compare states. A spike in reported violations can reflect new reporting rules as much as worsening water quality. Understanding what your local system reports, and what those reports actually mean, is where individual action starts.
How to Find and Make Sense of Your Consumer Confidence Report
A Consumer Confidence Report (CCR), often called an annual water quality report, is a plain-language summary that every community water system in the United States must provide to customers by July 1 each year, covering the previous calendar year’s monitoring data. This requirement comes from the Safe Drinking Water Act and is governed by 40 CFR Part 141, Subpart O. Most utilities post the report on their website. A quick search for your utility’s name plus “Consumer Confidence Report” or “water quality report” usually finds it.
The table below summarizes the key sections a compliant CCR must contain under 40 CFR §141.153.
| CCR Section | What It Contains | Why It Matters | Regulatory Basis |
|---|---|---|---|
| Source Water Information | Type (surface or groundwater) and name or location of the water source or wholesale supplier | Shows where your water starts and highlights any known risks to that source | 40 CFR §141.153(b) |
| Detected Contaminants Table | Each detected regulated contaminant with its MCL (Maximum Contaminant Level, the enforceable legal limit), MCLG (Maximum Contaminant Level Goal, the non-enforceable health target, which is zero for lead and some carcinogens), highest detected level, range of detections, sample date, and likely source | Shows whether any contaminant exceeded its legal limit and where it likely came from | 40 CFR §141.153(d) |
| Violations and Enforcement | Any violations with required health-effects language and corrective actions taken | Explains whether your system broke a rule and how it responded | 40 CFR §141.153(f) |
| Required Health Statements | Advisory for vulnerable groups (people with weakened immune systems, infants, pregnant people, older adults), how to access lead tap sampling data, and, starting with 2027 reports, mandatory PFAS disclosures when required | Flags groups who may face higher risk and points them to extra guidance | 40 CFR §141.154; §141.153(h) |
Two numbers in the contaminants table deserve close attention. The MCL is the legal ceiling. A detection above that number is a violation. The MCLG is the health-based goal, which is zero for lead and some carcinogens. A result below the MCL but above the MCLG is legal yet still worth noting. The CCR rule applies to community water systems that serve at least 15 year-round service connections or at least 25 year-round residents, including municipal utilities, mobile-home parks, and homeowners’ associations. It does not apply to private wells, which about 1 in 8 Americans use and which are not regulated at the federal level.
How Bottled Water Safety Compares to Tap Water
For most U.S. households, bottled water is not clearly safer than tap water, and tap water is often more tightly regulated. Tap utilities must use state-certified labs, publicly disclose violations, and deliver an annual Consumer Confidence Report to every customer, while bottled water companies do not face those three requirements. An estimated 25 to 40 percent of bottled water sold in the United States is simply municipal tap water that has been repackaged, sometimes with limited extra treatment.
On microplastics, the research points in a clear direction. A 2018 study led by Sherri Mason at the State University of New York at Fredonia, published in Frontiers in Chemistry, found microplastics in 93 percent of 259 bottled water samples across eleven brands, at roughly twice the particle concentration of tap water. The most common plastic type was polypropylene, which is used in bottle caps, suggesting the packaging itself as a contamination route. A 2025 study by Hart and Lenhart at The Ohio State University, published in Science of the Total Environment, found that bottled water averaged about three times more nanoplastic particles than treated tap water from facilities near Lake Erie. A separate 2018 study by Kosuth, Mason, and Wattenberg in PLOS ONE found human-made particles in 81 percent of 159 tap water samples from five continents, showing that microplastics appear in both sources.
The World Health Organization’s 2019 report, Microplastics in Drinking-Water, concluded that current levels appear to pose low concern for health based on limited evidence, while stressing that this view rests on incomplete data and that more research is urgently needed. Microplastics are present in both tap and bottled water. Bottled water usually carries more of them, and the health impact remains under active study rather than settled science.
How States Compare on Tap Water Violations
No state can be labeled the cleanest with real confidence, because the data has limits. County Health Rankings notes that its drinking water violations measure is not suitable for tracking progress over time and warns that figures may not be comparable across states because of differences in database quality and state enforcement. A state with fewer reported violations may simply have weaker reporting systems rather than cleaner water.
The data does show where problems cluster. The same states identified earlier, Texas, California, Pennsylvania, Oklahoma, and Louisiana, continue to show the highest raw counts of systems with health-based violations. By violation rate, which looks at the share of a state’s systems with at least one health-based violation, Oklahoma, New Mexico, Louisiana, West Virginia, and Alaska rank highest. EPA data captures only reported violations, so the true national picture is likely worse for the smallest systems that test least often. The most reliable step for any household is to read its own CCR instead of relying on state rankings.
Five Practical Household Actions for Better Drinking Water
- Locate and read your CCR. Search your utility’s name plus “water quality report” or use the EPA’s CCR search tool. Focus on the detected contaminants table. Check whether any MCL was exceeded and note the MCLG for lead, which is zero.
- Test your tap if you have an older home. Lead enters water from pipes, solder, and service lines, not from the source, so your utility’s CCR may not reveal a problem at your specific tap. The EPA finalized a rule in October 2024 that requires water systems nationwide to identify and replace lead pipes within 10 years, which means many homes will still have lead service lines for years. Homes built before 1986 are at higher risk because lead pipes and solder were still allowed then. An inexpensive certified test kit or a state-certified lab can confirm whether your tap water contains lead.
- Choose glass or stainless steel containers for hot or long-stored liquids. PET plastic bottles leach antimony at levels that rise sharply above 104°F, reaching nearly four times the maximum allowed concentration in drinking water after one week of high-heat storage. Heat speeds up how plastics break down. Keeping water in glass or stainless steel limits that exposure.
- Avoid heating food or liquids in plastic containers. The same idea applies in the kitchen. Microwaving food in plastic, or storing hot liquids in plastic pitchers, increases the chance that plastic particles and chemical additives move into what you eat and drink.
- Evaluate filtration using clear performance data. Some certified filters reduce particle counts and specific contaminants. Look for filters certified by NSF International or the Water Quality Association for the exact contaminant you want to address. A filter certified for lead removal is not automatically effective for PFAS or microplastics. Read the performance data instead of relying on the marketing headline.
How the Wellness Quality Institute Reviews Plastic-Related Claims
The five household steps above focus on personal exposure. A different question applies to brands that place plastic-related claims on the products those households buy. Labels such as “plastic-free” and “microplastic-free” now appear on bottled water, beverages, and other goods faster than standards can keep up. No U.S. federal rule currently defines what those claims must prove. No laboratory today can confirm the complete absence of plastic across every particle size, plastic type, and production lot, because the strongest validated methods start at 20 or 50 micrometers, while the California State Water Board’s drinking-water microplastics definition extends down to 1 nanometer. That gap between what regulations describe and what methods can detect makes absolute claims indefensible.
The Wellness Quality Institute (WQI) is an independent verification body that addresses this gap directly. WQI’s core program, Plastic-Free Pathway Verification, governed by the standard WQI-CS-01, reviews a company’s existing third-party laboratory dataset, including the testing method, product scope, and supporting controls. The review uses defined criteria focused on particle size and plastic type, aligned with the California State Water Board’s drinking-water microplastics reference framework. WQI does not run laboratory tests and does not certify that any product is free of plastic. Instead, it converts a laboratory report into a reviewed finding with approved claim language, so a brand’s plastic-related claim rests on outside review rather than self-reported data.
Products that meet the standard receive the designation “WQI Plastic-Free Pathway Verified.” This mark describes a company on a verified pathway toward plastic-free standards, not a product that has already reached a plastic-free state. Every verified product receives a public registry entry that any customer, retailer, or journalist can check, with the exact scope of what was reviewed listed clearly. A Standard Not Met outcome remains private, carries no public claim, and can be resubmitted with updated information, so participation does not create public downside risk.
WQI Plastic-Free Pathway Verification does not certify that a product contains zero plastic, microplastics, or nanoplastics. It shows that the company is on a verified pathway toward plastic-free standards. Verification applies only to the reviewed products, submitted datasets, tested ranges, plastic panels, production or sampling periods, and supporting controls. WQI verification is not a government certification or a health or safety certification.
See how WQI turns existing lab reports into clear, supportable plastic-related claims.
Frequently Asked Questions
What is a Consumer Confidence Report and where do I find mine?
As described in the main article, your CCR is the annual water quality disclosure your water utility must deliver by July 1. The fastest way to find it is to search your utility’s name plus “water quality report” or use the EPA’s search tool at epa.gov/ccr. If you use a private well, you will not receive a CCR, because private wells are not federally regulated and need separate testing that you arrange yourself.
Is bottled water safer than tap water for my family?
For most households served by a well-run public water system, tap water is not less safe than bottled water and is often more transparent. As noted earlier, public utilities face transparency rules, including certified labs, public violation reporting, and annual CCRs, that bottled water producers do not. On microplastics, several peer-reviewed studies have found higher particle levels in bottled water than in treated tap water, with packaging identified as a likely source. Bottled water is the right choice during boil-water advisories, after disasters, or when a specific local issue has been identified. For everyday use, tap water from a compliant system is usually the more transparent and lower-microplastic option.
What does it mean if my water system had a violation?
A violation does not automatically mean your water was unsafe to drink. The EPA tracks two main categories. Health-based violations occur when a contaminant exceeds its legal limit or a required treatment step is not met. Monitoring or reporting violations occur when the utility fails to test on schedule or submit results on time. Monitoring violations are far more common and do not always signal contaminated water. They signal a gap in the records. If your CCR shows a health-based violation, read the required health-effects language, which explains what the contaminant is, what levels were found, and what corrective action was taken. Contact your utility directly if anything is unclear. Every CCR must list a phone number for questions.
Can I remove microplastics from my tap water at home?
Some certified filtration systems reduce microplastic particle counts in drinking water, but performance varies by filter type, pore size, and the particle sizes targeted. No filter on the market today can guarantee removal of particles across every size range, including nanoplastics, because the testing methods needed to prove that level of removal are not yet available at commercial scale. When you evaluate a filter, look for independent performance certification from a recognized body such as NSF International, and confirm that the certification covers the contaminant or particle size you care about. A filter certified for lead removal is not automatically effective for microplastics. A filter marketed as removing microplastics should be able to point to clear, independently reviewed performance data rather than marketing language alone.
What should I look for when a brand claims its water or beverage product is “plastic-free” or “microplastic-free”?
These claims deserve careful review, because no laboratory today can confirm the complete absence of plastic across every particle size and plastic type. The strongest validated methods start at 20 to 50 micrometers in particle size, while plastics exist at much smaller scales that current commercial methods cannot reliably measure. A claim of “none detected” means none were found above that instrument’s detection limit, for the plastics it screened, in the lot it tested. It does not mean none are present. When you assess a plastic-related claim, check whether the brand can point to outside review of its lab data, what particle-size range was tested, which plastics were screened, and whether the claim applies to a specific product and production period rather than the entire brand. A claim backed by reviewed, scope-specific laboratory data is more defensible than one resting on a single internal lab result.
Conclusion: Turning Awareness into Action and Verifiable Claims
National Water Quality Month offers a practical reminder to do what many households intend to do but often delay. Locate your Consumer Confidence Report, read the contaminants table, and take a few focused steps to reduce exposure where the evidence supports it. The data shows that most Americans are served by systems that meet federal standards, that violations cluster in small rural systems with limited resources, and that tap water is usually the more transparent and lower-microplastic option compared with bottled water.
For brands, the related question is whether their plastic-related product claims can withstand scrutiny. The Wellness Quality Institute exists to answer that question with independent rigor instead of marketing spin. If your company holds laboratory data on plastic or microplastic content and wants to understand what that data truly supports, WQI’s Plastic-Free Pathway Verification offers a structured review framework to clarify and right-size your claims.
