IL / Weldon
IL · Tap water records
Weldon tap water, in plain English
Here is what the EPA's own data shows about tap water in Weldon. According to EPA SDWIS data retrieved June 2026, Weldon is served by 1 active community water system, together reported to serve about 404 people.
As of June 2026, EPA records show 13 violations across the community water system(s) serving Weldon, going back to the earliest EPA record. 4 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
Weldon
404 served · groundwater · PWSID IL0390350 - Health-based Arsenic: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 4 times between April 2016 and July 2016. The EPA record lists a level of 0.012 MG/L; the limit (MCL) is 0.01 MG/L. 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 3 times between January 2010 and September 2021. All have since returned to compliance, per EPA records.
- Monitoring Arsenic: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between October 2019 and July 2020. All have since returned to compliance, per EPA records.
- Monitoring Xylenes, Total: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in April 2020. 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.