MO / Gravois Mills
MO · Tap water records
Gravois Mills tap water, in plain English
Here is what the EPA's own data shows about tap water in Gravois Mills. According to EPA SDWIS data retrieved June 2026, Gravois Mills is served by 2 active community water systems, together reported to serve about 325 people.
As of June 2026, EPA records show 3 violations across the community water system(s) serving Gravois Mills, going back to the earliest EPA record. 1 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.
What the EPA has on record, by system
Blue Anchor Bay Condominiums
250 served · groundwater · PWSID MO5301489 - Health-based Revised Total Coliform Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in August 2019. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
- Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in November 2011. All have since returned to compliance, per EPA records.
Tonys Point
75 served · groundwater · PWSID MO5031399 - 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 January 2011. All have since returned to compliance, per EPA records.
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.