TX / El Lago
TX · Tap water records
El Lago tap water, in plain English
Here is what the EPA's own data shows about tap water in El Lago. According to EPA SDWIS data retrieved June 2026, El Lago is served by 1 active community water system, together reported to serve about 4,002 people.
As of June 2026, EPA records show 17 violations across the community water system(s) serving El Lago, going back to the earliest EPA record. 8 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
Harris County Wcid 50 El Lago
4,002 served · surface water · PWSID TX1010241 - Health-based Di(2-ethylhexyl) phthalate: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 8 times between January 2019 and October 2019. The EPA record lists a level of 0.007 MG/L; the limit (MCL) is 0.006 MG/L. 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 6 times between July 2019 and March 2020. EPA records do not show all of these as returned to compliance.
- Monitoring Chlorine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in July 2018. All have since returned to compliance, per EPA records.
- 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 October 2014. 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.