Drinking water quality · 1997

· Verified

What's in The Grumman Hill Montessori Association, CT tap water

1 contaminants were measured in the The Grumman Hill Montessori Association, CT water system's 1997 annual report. Each is shown below against its federal limit 1 sit at or above that limit.

Browse the mapFull source report ↗
Reporting year
1997
Contaminants measured
1
Over federal limit
1
Approaching the limit
0
Worst contaminant
Lead
1.3× the limit
Service area
CT
state-level CCR
Source
Utility CCR

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
    6 violations on record · most recent Mar 2016
    resolved
  • Maximum contaminant level exceededHealth-based
    3 violations on record · most recent Oct 2007
    resolved
  • Other
    1 violation on record · most recent Mar 2010
    1 open
  • Monitoring & reporting
    1 violation on record · most recent Jan 2009
    1 open

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.0.019 mg/L90th percentileAt the tapAt or above the limit
Source: The Grumman Hill Montessori Association, CT's 1997 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 The Grumman Hill Montessori Association, CT's water

+Is The Grumman Hill Montessori Association, CT tap water safe to drink in 1997?

The 1997 Consumer Confidence Report for the The Grumman Hill Montessori Association, 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 The Grumman Hill Montessori Association, CT tap water?

1 contaminants were measured in The Grumman Hill Montessori Association, CT's 1997 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 The Grumman Hill Montessori Association, CT tap water?

One contaminant in The Grumman Hill Montessori Association, CT's 1997 report sits at or above the federal limit: Lead (1.3× 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 The Grumman Hill Montessori Association, CT tap water?

The contaminant with the highest measured value relative to its federal limit in the 1997 report is Lead, at 1.3× 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 The Grumman Hill Montessori Association, CT's 1997 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 The Grumman Hill Montessori Association, 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 1997 report; a new report will replace it once the utility publishes its next annual update.