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💧 Troubled Waters: Long Island’s Contamination Hot Spots

Updated: Sep 18, 2025


1. Beaches plagued by bacterial and nutrient pollution

  • Long Island Sound beaches are experiencing elevated fecal bacteria levels—especially after storms—in places like Suffolk West, where wet-weather failures rose from 8.7% (2020–22) to 12.1% (2022–24) 

  • Windmill Beach in Sag Harbor consistently ranks among the worst hotspots for bacterial contamination.

  • Public advisories have been common; beaches across Nassau and Suffolk counties have closed due to E. coli and other pathogens.


2. Behind-the-scenes contamination: groundwater and "forever chemicals"

  • Long Island’s sole-source aquifer has been tainted by decades of industrial pollution—including VOCs, PFAS (“forever chemicals”), TCE, PCE, and 1,4‑dioxane.

  • Nassau County wells have recorded some of the highest national detections of 1,4‑dioxane, with places like Hicksville logging levels 30–100× above safe thresholds.

  • PFAS contamination affects countless water districts, prompting lawsuits and controversy—solutions may be delayed if EPA standards roll back.


3. Microplastics and nutrient runoff

  • Researchers have found microplastic hotspots in local waters, raising concerns about chemical and particulate pollution.

  • Nitrogen runoff from septic systems, fertilizers, and wastewater has created algal blooms and hypoxic zones—threatening ecosystems and tourism.


🛠️ Solutions by Custom Fabricated Filters

Custom Fabricated Filters (CFF) is a Long Island–based, family-owned company founded by master plumbers Joseph and Noel, offering best-in-class stainless steel filtration systems designed and installed per home .

What sets them apart:

  1. Tailored testing first – CFF provides lab-verified water test kits to pinpoint local contaminants (PFAS, VOCs, bacteria, microplastics), then designs a custom filtration solution.

  2. Stainless steel durability – Unlike disposable plastic filters, CFF systems are built for longevity, reliability, and performance in Long Island's tough water conditions.

  3. Whole-home installations done right – Their trained team ensures seamless fitting and even collaborates with homeowners’ preferred plumbers across Long Island and the NYC metro areas.

  4. Combatting local threats – CFF systems mitigate contaminants like PFAS, 1,4‑dioxane, microplastics, bacteria, and more—helping families and businesses gain peace of mind one tap at a time

Real Impact: One Home at a Time

  • Suffolk County suburban home: After lab results showed PFAS above federal limits, CFF installed a whole-house system tailored to remove PFAS and microplastics—residents reported noticeably cleaner drinking and shower water within days.

  • Sag Harbor beach rental: With bacterial advisories frequenting nearby beaches, the owner commissioned a CFF UV‑enhanced filter. Now, guests enjoy safer showers and filtered drinking water year-round.

  • Suffolk County farmhouse on well water: Faced with VOC and nitrates from old agricultural runoff, CFF installed a stainless-steel multi-stage filter system—ensuring safe, crystal-clear water directly from the tap.


Why This Matters—Especially in Long Island 🌊

  • With beach contamination rising, preventing in-home exposure is critical—even when shores are closed.

  • The aquifer is fragile: once contaminants spread underground, remediation is two to three decades and billions of dollars away .

  • State and county efforts help—but residential filtration fills the gap, equipping homeowners to take water safety into their own hands.


✅ Final Take

Long Island's water crisis—from bacterial beach closures to “forever chemicals” and microplastics—demands action. Custom Fabricated Filters addresses these issues one home at a time with cutting-edge, stainless-steel systems tailored to local threats via thorough testing and professional installation. With CFF in your corner, your tap water becomes a fortress—safe, pure, and reliable.

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