Is There Arsenic in Colchester, CT Water? (ZIP 06415)
By Alexander Snyder, Founder & Water Quality Data LeadLast reviewed August 2026
Arsenic appears in the preserved historical public-system catalog associated with Colchester, CT ZIP 06415. The old percentage and comparator fields are not republished by this route recovery, and the ZIP association does not identify a property's serving utility or measure its tap.
Federal legal limits and other governed references answer different questions. Neither establishes exposure, safety, or health risk at a specific property.
What Is Arsenic?
Arsenic is a naturally occurring element that can enter drinking water through erosion of mineral deposits and, in some settings, through contamination from human activity. Long-term drinking-water exposure is associated with cancer risk.
This is exact-analyte context. It does not establish that arsenic is present at a property or that a ZIP-associated record represents exposure.
How to Reduce Arsenic at a Property
The reviewed certification sources include an exact Arsenic (pentavalent) reduction for incoming levels at or below 50 ppb claim under NSF/ANSI 58. Certification is product- and claim-specific; the standard number alone does not prove a product reduces arsenic.
- 1Confirm the analyte and concentration at the relevant tap or well with a certified laboratory before choosing treatment; a ZIP-associated record is not a property result.
- 2Choose a specific current product whose independent certification listing and performance data sheet explicitly name the exact reduction claim. A standard number by itself is not an analyte claim.
- 3Follow the certified product's inlet conditions, installation, service-life, and replacement instructions, then retest treated water to verify performance at the property.
The listed claim is valence- and incoming-concentration-specific; it does not establish performance for arsenite or water above the certified inlet condition.
Certification verifies a named reduction claim under defined test conditions; it does not certify that every installation reaches CheckYourTap's EWG/OEHHA health reference.
Review associated Arsenic records
Review the source, sample period, unit, and governed reference for ZIP-associated records. This is not a property exposure or health-risk assessment.
Review ZIP 06415 RecordsHistorical catalog coverage
Arsenic appears in the preserved catalog for 142 Connecticut ZIP associations, including Colchester (06415). This is historical route and identity context only. It does not establish a current detection, rate, exceedance, serving utility, or property result.
Arsenic in nearby Connecticut towns:
Other preserved contaminant pages for Colchester (06415)
Frequently Asked Questions
Is there Arsenic in Colchester 06415 tap water?▾
Do these records prove Arsenic is at a property?▾
What health reference is released for Arsenic?▾
How can Arsenic be reduced at a property?▾
About this report
This page restores the preserved historical Arsenic catalog route associated with Colchester, CT (06415) from public-system records filed with the U.S. Environmental Protection Agency and Connecticut Department of Public Health. The historical percentage and comparator fields are retained in source control but are not rendered by this fallback. Use the live lookup for current source-system rows. CheckYourTap is funded by Valiant Energy Solutions, a Connecticut company established in 1930.
By Alexander Snyder, Founder & Water Quality Data Lead.
This report is general information, not medical advice or a substitute for certified laboratory testing. Talk to your pediatrician or physician about specific health concerns.
Last updated August 2026.
Reading this inside ChatGPT or Claude?
This page can explain the general science about ZIP-associated Arsenic records, but it cannot identify what is at a specific tap or property. You can get ZIP-level context two ways:
- Inside the chat: ask your assistant to “check my tap water with CheckYourTap”. Our connector returns available public-system or regional monitoring records associated with your ZIP. It does not identify your serving utility or test your tap, well, or property. The current connector is read-only and does not email reports or submit contact information.
- On the web: open CheckYourTap.com and enter your ZIP code for a free ZIP-level report.