Yauco

PWSID: PR0004314

1 active violation (non-health-based)
This system has unresolved violations related to monitoring, reporting, or procedural requirements, but none involve contaminant levels exceeding EPA health limits.

This system has more violations on record than 88% of water systems in Puerto Rico.

Violation trend: 0.0 per year over the last 5 years, down from 22.0 per year in the previous 5.

System Details

Population Served35,618
Service Connections13,340
Water SourceSurface Water
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityYauco
EPA ZIP on File00698

Areas Served

  • Yauco, Yauco Municipio County

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
5000MR1992-07-01Open

Violation History (116 total)

ContaminantViolationDateHealth-BasedStatus
7000Other2020-07-01Returned to Compliance
7000Other2020-07-01Returned to Compliance
2950MCL
Measured: 0.0830 MG/L (limit: 0.0800 MG/L)
2020-04-01YesReturned to Compliance
2950MCL
Measured: 0.0830 MG/L (limit: 0.0800 MG/L)
2020-04-01YesReturned to Compliance
2950MCL
Measured: 0.0950 MG/L (limit: 0.0800 MG/L)
2020-01-01YesReturned to Compliance
2950MCL
Measured: 0.0950 MG/L (limit: 0.0800 MG/L)
2020-01-01YesReturned to Compliance
7500Other2019-10-10Returned to Compliance
7500Other2019-10-10Returned to Compliance
2950MCL
Measured: 0.0930 MG/L (limit: 0.0800 MG/L)
2019-10-01YesReturned to Compliance
2950MCL
Measured: 0.0930 MG/L (limit: 0.0800 MG/L)
2019-10-01YesReturned to Compliance
0100MR2019-08-01Returned to Compliance
0100MR2019-08-01Returned to Compliance
3015MR2019-08-01Returned to Compliance
3015MR2019-08-01Returned to Compliance
3014MR2019-08-01Returned to Compliance
3014MR2019-08-01Returned to Compliance
2950MCL
Measured: 0.0940 MG/L (limit: 0.0800 MG/L)
2019-07-01YesReturned to Compliance
2950MCL
Measured: 0.0940 MG/L (limit: 0.0800 MG/L)
2019-07-01YesReturned to Compliance
2950MCL
Measured: 0.0850 MG/L (limit: 0.0800 MG/L)
2019-04-01YesReturned to Compliance
2950MCL
Measured: 0.0850 MG/L (limit: 0.0800 MG/L)
2019-04-01YesReturned to Compliance
2034MR2019-01-01 MajorReturned to Compliance
2034MR2019-01-01 MajorReturned to Compliance
2005MR2019-01-01 MajorReturned to Compliance
2005MR2019-01-01 MajorReturned to Compliance
2010MR2019-01-01 MajorReturned to Compliance
2010MR2019-01-01 MajorReturned to Compliance
2015MR2019-01-01 MajorReturned to Compliance
2015MR2019-01-01 MajorReturned to Compliance
2020MR2019-01-01 MajorReturned to Compliance
2020MR2019-01-01 MajorReturned to Compliance
2037MR2019-01-01 MajorReturned to Compliance
2037MR2019-01-01 MajorReturned to Compliance
2042MR2019-01-01 MajorReturned to Compliance
2042MR2019-01-01 MajorReturned to Compliance
2051MR2019-01-01 MajorReturned to Compliance
2051MR2019-01-01 MajorReturned to Compliance
2065MR2019-01-01 MajorReturned to Compliance
2065MR2019-01-01 MajorReturned to Compliance
2067MR2019-01-01 MajorReturned to Compliance
2067MR2019-01-01 MajorReturned to Compliance
2274MR2019-01-01 MajorReturned to Compliance
2274MR2019-01-01 MajorReturned to Compliance
2383MR2019-01-01 MajorReturned to Compliance
2383MR2019-01-01 MajorReturned to Compliance
2959MR2019-01-01 MajorReturned to Compliance
2959MR2019-01-01 MajorReturned to Compliance
2030MR2019-01-01 MajorReturned to Compliance
2030MR2019-01-01 MajorReturned to Compliance
2035MR2019-01-01 MajorReturned to Compliance
2035MR2019-01-01 MajorReturned to Compliance

Showing 50 of 115 historical violations.

Understanding This Water System's Record

Yauco is a community water system water system that draws from surface water sources and serves a population of 35,618 in Yauco, 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.