PIEDRAS BLANCAS
PR — Community Water System — PWSID: PR0004474
System Information
| PWSID | PR0004474 |
| System Name | PIEDRAS BLANCAS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 18, 1996 |
| Last Reported | Mar 9, 2026 |
Location & Contact
| State | PR |
| City | GUAYANILLA |
| ZIP Code | 00656 |
| Address | PR 335 KM. 1.5 |
| Organization | PIEDRAS BLANCAS |
| Phone | 787-620-2277 |
Population & Service
| Population Served | 3,391 |
| Service Connections | 1,270 |
Drinking Water Violations (50)
This water system has 50 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 7, 2020 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jan 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | — | |
| Jan 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Dec 9, 2019 | — | |
| Jan 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Dec 9, 2019 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 20, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Jul 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Dec 9, 2019 | — | |
| Jul 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Dec 9, 2019 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2007 | — | |
| May 1, 2005 | May 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 2005 | — | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 2005 | — | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2003 | — | |
| Jun 1, 2003 | Jun 30, 2003 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 2003 | — | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 2001 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1998 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.