- Lead: 9 in 10 homes tested came in at or below 0 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2023–Dec 31, 2025). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
Public EPA test results
What EPA records show for Colchester Water System
EPA system ID VT0021810 · serves Colchester, VT · about 11,299 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Colchester Water System (EPA VT0021810)
What EPA records show for Colchester Water System, as of October 14, 2026
We found no health-standard violations in EPA's records for this system (VT0021810) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Colchester Water System (SDWIS). Data as of October 14, 2026.
Lead: 9 in 10 homes tested came in at or below 0 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2023–Dec 31, 2025). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
We found no PFAS results for this system (VT0021810) in EPA's UCMR 5 data, as of October 14, 2026.
Source: EPA UCMR 5 occurrence data. Data as of October 14, 2026.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Colchester Water System use chloramine?
We didn't find chloramine in Colchester Water System's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.