ND / Cavalier
ND · Tap water records
Cavalier tap water, in plain English
Here is what the EPA's own data shows about tap water in Cavalier. According to EPA SDWIS data retrieved June 2026, Cavalier is served by 3 active community water systems, together reported to serve about 7,174 people.
As of June 2026, EPA records show 3 violations across the community water system(s) serving Cavalier, going back to the earliest EPA record. None were health-based; the records are monitoring or reporting violations (a required test or report was late or missed). Each is listed by system below, with its status.
What the EPA has on record, by system
Northeast Rwd- North Valley Branch
3,422 served · groundwater · PWSID ND3401128 - Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in November 2013. All have since returned to compliance, per EPA records.
Northeast Rwd-Langdon Branch
2,450 served · groundwater · PWSID ND1001380 - Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in September 2023. All have since returned to compliance, per EPA records.
Cavalier City Of
1,302 served · groundwater · PWSID ND3400170 As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.
What this means
A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.
This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.
Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.