Las Piedras Humacao

PWSID: PR0005376

No active violations
This system has no unresolved violations. The most recent violation on record was 2022-06-01.

This system has more violations on record than 74% of water systems in Puerto Rico.

Violation trend: 1.4 per year over the last 5 years, down from 10.8 per year in the previous 5.

System Details

Population Served36,032
Service Connections13,495
Water SourceSurface Water
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityHumacao
EPA ZIP on File00791

Areas Served

  • Humacao

Violation History (76 total)

ContaminantViolationDateHealth-BasedStatus
0200MR2022-06-01 MajorReturned to Compliance
0200MR2022-06-01 MajorReturned to Compliance
0200MR2022-06-01 MajorReturned to Compliance
2046MR2021-07-01 MajorReturned to Compliance
2046MR2021-07-01 MajorReturned to Compliance
2036MR2021-07-01 MajorReturned to Compliance
2036MR2021-07-01 MajorReturned to Compliance
7000Other2020-07-01Returned to Compliance
7000Other2020-07-01Returned to Compliance
7500Other2019-04-09Returned to Compliance
7500Other2019-04-09Returned to Compliance
0100MR2019-02-01Returned to Compliance
0100MR2019-02-01Returned to Compliance
3015MR2019-02-01Returned to Compliance
3015MR2019-02-01Returned to Compliance
3014MR2019-02-01Returned to Compliance
3014MR2019-02-01Returned to Compliance
7000Other2018-10-01Returned to Compliance
7000Other2018-10-01Returned to Compliance
0100MR2018-04-01Returned to Compliance
0100MR2018-04-01Returned to Compliance
3015MR2018-04-01Returned to Compliance
3015MR2018-04-01Returned to Compliance
3014MR2018-04-01Returned to Compliance
3014MR2018-04-01Returned to Compliance
0100MR2018-01-01Returned to Compliance
0100MR2018-01-01Returned to Compliance
3015MR2018-01-01Returned to Compliance
3015MR2018-01-01Returned to Compliance
3014MR2018-01-01Returned to Compliance
3014MR2018-01-01Returned to Compliance
0100MR2017-07-01 MajorReturned to Compliance
0100MR2017-07-01 MajorReturned to Compliance
3015MR2017-07-01 MajorReturned to Compliance
3015MR2017-07-01 MajorReturned to Compliance
3014MR2017-07-01 MajorReturned to Compliance
3014MR2017-07-01 MajorReturned to Compliance
0100MR2017-05-01 MajorReturned to Compliance
0100MR2017-05-01 MajorReturned to Compliance
3015MR2017-05-01 MajorReturned to Compliance
3015MR2017-05-01 MajorReturned to Compliance
3014MR2017-05-01 MajorReturned to Compliance
3014MR2017-05-01 MajorReturned to Compliance
0100MR2017-02-01Returned to Compliance
0100MR2017-02-01Returned to Compliance
3015MR2017-02-01Returned to Compliance
3015MR2017-02-01Returned to Compliance
3014MR2017-02-01Returned to Compliance
3014MR2017-02-01Returned to Compliance
0100MR2017-01-01 MajorReturned to Compliance

Showing 50 of 76 historical violations.

Understanding This Water System's Record

Las Piedras Humacao is a community water system water system that draws from surface water sources and serves a population of 36,032 in Humacao, Puerto Rico. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.