- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- PFOA (a PFAS): found in 4 of 4 samples, average 4.5 ppt, highest 5 ppt (EPA UCMR 5 testing, Mar 2023–Dec 2023) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Jun 30, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Manchester tap water? What EPA records show
EPA NH1471010 · serves Manchester, NH · about 123,500 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Manchester Water Works (EPA NH1471010)
EPA data as of October 14, 2026. For Manchester's main utility, Manchester Water Works: We found no health-based violations in EPA's records for this system (NH1471010) since July 1, 2021, as of October 14, 2026. This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
What EPA records show for Manchester Water Works, as of October 14, 2026
We found no health-based violations in EPA's records for this system (NH1471010) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Manchester Water Works (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Jun 30, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
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 Manchester Water Works use chloramine?
EPA treatment records (state-reported) list chloramines for Manchester Water Works. EPA record