SECTOR LOS DIAZ
PWSID: PR0666036 · San Lorenzo, PR · Serves 197 people
SECTOR LOS DIAZ has 15 health-based violations out of 15 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
SECTOR LOS DIAZ (PWSID PR0666036) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 197 people in San Lorenzo, PR, and is subject to primacy enforcement by the Puerto Rico drinking-water program.
The system's federal compliance record contains 15 total violations, with 15 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Total Coliform (RTCR), Gross Alpha. Recorded violations span 2012–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Puerto Rico state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- PR0666036
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Lorenzo, PR
- Population Served
- 197
- Health Violations
- Yes (15)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Coliform (RTCR) | 14 | 14 |
| Gross Alpha | 1 | 1 |
Violation History (15)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha | Yes | Oct 17, 2024 |
| Total Coliform (RTCR) | Yes | Nov 1, 2015 |
| Total Coliform (RTCR) | Yes | Nov 1, 2015 |
| Total Coliform (RTCR) | Yes | Mar 1, 2014 |
| Total Coliform (RTCR) | Yes | Mar 1, 2014 |
| Total Coliform (RTCR) | Yes | Feb 1, 2014 |
| Total Coliform (RTCR) | Yes | Feb 1, 2014 |
| Total Coliform (RTCR) | Yes | Jan 1, 2014 |
| Total Coliform (RTCR) | Yes | Jan 1, 2014 |
| Total Coliform (RTCR) | Yes | Nov 1, 2013 |
| Total Coliform (RTCR) | Yes | Nov 1, 2013 |
| Total Coliform (RTCR) | Yes | Jul 1, 2013 |
| Total Coliform (RTCR) | Yes | Jul 1, 2013 |
| Total Coliform (RTCR) | Yes | Nov 1, 2012 |
| Total Coliform (RTCR) | Yes | Nov 1, 2012 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.