IA / Avoca
IA · Tap water records
Avoca tap water, in plain English
Here is what the EPA's own data shows about tap water in Avoca. According to EPA SDWIS data retrieved June 2026, Avoca is served by 3 active community water systems, together reported to serve about 7,387 people.
As of June 2026, EPA records show 11 violations across the community water system(s) serving Avoca, going back to the earliest EPA record. 3 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
Regional Water
4,132 served · surface water · PWSID IA8300184 - Health-based Groundwater Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 3 times in July 2017. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
Avoca Water Works
1,697 served · groundwater · PWSID IA7803080 - Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in October 2020. All have since returned to compliance, per EPA records.
Urban Bluffs - North
1,558 served · surface water · PWSID IA7820701 - Monitoring Nitrite: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between July 2024 and July 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 2 times in October 2020. 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 2 times in October 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.