Drinking water quality · 1992

· Verified

What's in Aquarion-eastern Fairfield County, CT tap water

1 contaminants were measured in the Aquarion-eastern Fairfield County, CT water system's 1992 annual report. Each is shown below against its federal limit 1 sit at or above that limit.

Browse the mapFull source report ↗
Reporting year
1992
Contaminants measured
1
Over federal limit
1
Approaching the limit
0
Worst contaminant
Lead
1.0× the limit
Service area
CT
state-level CCR
Source
Utility CCR

PFAS — EPA UCMR5 (2023–2025)

2 PFAS compounds above EPA limits in Aquarion-eastern Fairfield County, CT

About this data

The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.

PFOA (Perfluorooctanoic acid)

● Over EPA limit (2.7×)
Measured 10.9 ng/LEPA limit 4 ng/LSample year 2023Samples 2 detect / 13

PFOS (Perfluorooctane sulfonic acid)

● Over EPA limit (1.6×)
Measured 6.6 ng/LEPA limit 4 ng/LSample year 2023Samples 2 detect / 13

PFPeA

● Detected (no federal limit)
Measured 6.7 ng/LSample year 2023Samples 2 detect / 13

PFBA

● Detected (no federal limit)
Measured 7.6 ng/LSample year 2023Samples 3 detect / 13

PFHpA

● Detected (no federal limit)
Measured 3.9 ng/LSample year 2023Samples 1 detect / 13

PFBS

● Detected (no federal limit)
Measured 4.1 ng/LSample year 2023Samples 1 detect / 13

PFHxA

● Detected (no federal limit)
Measured 7.4 ng/LSample year 2023Samples 2 detect / 13
PWSID CT0150011 · Source: EPA UCMR5. Limits per EPA's April 2024 PFAS National Primary Drinking Water Regulation. PFAS values reported in nanograms per liter (ng/L) — note that 1 ng/L = 1 part per trillion.

Where your water comes from · EPA SDWIS

Aquarion-eastern Fairfield County, CT's drinking water comes from surface water, drawn from 17 sources.

Source

17surface water
  • WESTPORT · 4
  • COLEYTOWN · 2
  • ASPETUCK RESERVOIR
  • EASTON LAKE RESERVOIR INTAKE
  • + 9 more

Treatment

6treatment plants
  • COLEYTOWN WELLFIELD TREATMENT PLANT
  • EASTON WATER TREATMENT PLANT
  • HEMLOCKS WATER TREATMENT PLANT
  • + 3 more

Distribution

19storage units

Also buys water from NORWALK FIRST TAXING DISTRICT, AQUARION-STAMFORD, and 1 more.

Compliance history

Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.

  • Treatment technique violationHealth-based
    2 violations on record · most recent Jan 1992
    resolved

Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗

Metals

ContaminantMeasuredStatus
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.015 mg/L90th percentileAt the tapAt or above the limit
Source: Aquarion-eastern Fairfield County, CT's 1992 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about Aquarion-eastern Fairfield County, CT's water

+Is Aquarion-eastern Fairfield County, CT tap water safe to drink in 1992?

The 1992 Consumer Confidence Report for the Aquarion-eastern Fairfield County, CT water utility lists 1 contaminant at or above the federal limit: Lead. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.

+What contaminants are in Aquarion-eastern Fairfield County, CT tap water?

1 contaminants were measured in Aquarion-eastern Fairfield County, CT's 1992 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Which contaminants exceed federal limits in Aquarion-eastern Fairfield County, CT tap water?

One contaminant in Aquarion-eastern Fairfield County, CT's 1992 report sits at or above the federal limit: Lead (1.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.

+What is the worst contaminant in Aquarion-eastern Fairfield County, CT tap water?

The contaminant with the highest measured value relative to its federal limit in the 1992 report is Lead, at 1.0× the federal threshold. It belongs to the metals family of contaminants.

+Where does the data on this page come from?

Every value is transcribed from Aquarion-eastern Fairfield County, CT's 1992 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

+How often is Aquarion-eastern Fairfield County, CT's water quality data updated?

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 1992 report; a new report will replace it once the utility publishes its next annual update.

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