This week you may be wondering how to decide whether microplastics pose a concern in your household water and what steps to take next.
Plumbing Material and Age Influence Water Quality Separate from Source Water
A common belief is that all microplastic particles in tap water come directly from the water source. However, plumbing materials and the age of your household pipes and fixtures can contribute fibers or microplastic particles separate from the public water supply. Public water systems like the Metropolitan District Commission serving Hartford County draw water from surface water sources, which do not have federal microplastic monitoring requirements yet. Thus, any microplastics found in your tap water may originate from the piping inside your home or distribution lines rather than the original source water itself.
Large Households, Second Homes, or Seasonal Properties May See Different Water Concerns
It’s also often thought that microplastic concerns remain uniform regardless of household size or usage patterns. In reality, larger households or properties not occupied year-round can show different plumbing interactions that affect microplastic presence. For example, water sitting in pipes for extended periods in seasonal homes might accumulate particulate matter differently than in a continuously used residence. Understanding your household’s water use pattern helps prioritize testing and treatment options targeting microplastics.
Rule Out Plumbing and Use Patterns Before Laboratory Testing
Many consider laboratory testing the first step to assess microplastic levels. Instead, start with simpler, lower-cost checks such as inspecting your plumbing materials and usage habits. Look for older plastic pipes or appliances known to shed microfibers. If these factors suggest possible microplastic sources, then proceed to specialized water analysis labs that test for microplastic particles. This approach efficiently narrows down the cause before investing in detailed testing.
Public Water System Records Differ from Private Well Testing in What They Show
Another common assumption is that public water records directly indicate the presence of microplastics. The Metropolitan District Commission (PWSID CT0640011) serving 101,735 connections in Hartford County shows no EPA health-based violations and detailed treatment processes but currently has no federal microplastic monitoring data. These records confirm the system’s rigorous standard and surface water source but cannot confirm or exclude microplastics in your specific tap water. By contrast, private well testing focuses entirely on your own water but generally does not include microplastics unless specifically requested.
How Treated Water Differs at the Tap Using the Pentair Microplastics Filter
To address microplastic concerns regardless of source, the Pentair Microplastics Filter is designed to reduce particles that standard municipal treatment does not measure or provide data for. This system ships ready to configure for household use and targets microplastic removal through advanced filtration technology. While public system records show no microplastic data, applying this filter at the tap can provide an additional layer of precaution for those wanting to proactively minimize microplastic exposure in their drinking water.
What You Should Not Conclude from Area Data
Do not assume that the absence of microplastic monitoring in the public water system record means there are no microplastics in your tap water. Conversely, do not conclude that detecting microplastics in your home water automatically indicates a problem with the municipal supply. Without specific testing, your household’s microplastic presence and severity remain unknown. The best course is to consider your plumbing materials, household patterns, and targeted testing, then decide on filtration technologies like the Pentair Microplastics Filter to suit your needs.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for METROPOLITAN DISTRICT COMMISSION (CT0640011), surface water supply, serving 390887 people: 0 health-based violations of 3 total; lead 90th percentile 0 mg/L
- ✓ 90-Day Money-BackNo restocking fees — return within 90 days.
- ✓ Manufacturer WarrantyGenuine Fleck · Pentair · VIQUA equipment.
- ✓ Free Expert SizingTalk to a specialist and buy the right system the first time.