Does Oil City, PA tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 10 violation(s) across the community water systems serving Oil City, of which 0 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Oil City, PA tap water come from?

Oil City is served by 2 active community water system(s). Their primary sources, per EPA records, are: groundwater.

PA / Oil City

PA · Tap water records

Oil City tap water, in plain English

Here is what the EPA's own data shows about tap water in Oil City. According to EPA SDWIS data retrieved June 2026, Oil City is served by 2 active community water systems, together reported to serve about 11,443 people.

As of June 2026, EPA records show 10 violations across the community water system(s) serving Oil City, 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.

2

Community water systems
~11,443

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Oil City

9,608 served · groundwater · PWSID PA6610023

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 July 2010. All have since returned to compliance, per EPA records.

Cornplanter Township

1,835 served · groundwater · PWSID PA6610035

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 6 times between July 2003 and July 2025. All have since returned to compliance, per EPA records.
Monitoring Chlorine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2016. All have since returned to compliance, per EPA records.
Monitoring Stage 2 Disinfectants and Disinfection Byproducts Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2007. 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.