OR / Gladstone
OR · Tap water records
Gladstone tap water, in plain English
Here is what the EPA's own data shows about tap water in Gladstone. According to EPA SDWIS data retrieved June 2026, Gladstone is served by 1 active community water system, together reported to serve about 12,121 people.
As of June 2026, EPA records show 39 violations across the community water system(s) serving Gladstone, going back to the earliest EPA record. 18 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
Gladstone, City Of
12,121 served · surface water · PWSID OR4100321 - Health-based Total Haloacetic Acids (HAA5): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 9 times between January 2025 and October 2025. The EPA record lists a level of 0.104 MG/L; the limit (MCL) is 0.06 MG/L. EPA records do not show all of these as returned to compliance.
- Health-based TTHM: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 9 times between January 2025 and October 2025. The EPA record lists a level of 0.098 MG/L; the limit (MCL) is 0.08 MG/L. EPA records do not show all of these as returned to compliance.
- Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in September 2025. All have since returned to compliance, per EPA records.
- Monitoring TTHM: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 9 times between October 2015 and January 2025. EPA records do not show all of these as returned to compliance.
- Monitoring Total Haloacetic Acids (HAA5): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 9 times between October 2015 and January 2025. EPA records do not show all of these as returned to compliance.
- Monitoring Asbestos: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 2008. 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.