RIO PRIETO
PR - Community Water System - PWSID: PR0003082
System Information
| PWSID | PR0003082 |
| System Name | RIO PRIETO |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 1, 1980 |
| Last Reported | Mar 9, 2026 |
Location & Contact
| State | PR |
| City | LARES |
| ZIP Code | 00669 |
| Address | CARR. 426 KM. 4.0 |
| Organization | RIO PRIETO |
| Phone | 787-620-2277 |
Population & Service
| Population Served | 800 |
| Service Connections | 200 |
Drinking Water Violations (76)
This water system has 76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Archived | May 31, 2008 | - | |
| Jan 1, 2008 | - | TT | Yes | No | - | - | - | Archived | Oct 14, 2009 | - | |
| Jan 1, 2007 | - | TT | Yes | No | - | - | - | Archived | Oct 14, 2009 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2005 | - | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2002 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 2001 | - | |
| Oct 1, 2001 | Oct 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2000 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1999 | - | |
| Dec 1, 1999 | Dec 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1999 | - | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1999 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1999 | - | |
| May 1, 1999 | May 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 1999 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1999 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1999 | - | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1998 | - | |
| Jun 29, 1993 | Jul 28, 1993 | TT | Yes | No | - | - | - | Archived | Jul 28, 1993 | - | |
| Jun 29, 1993 | Jul 28, 1993 | TT | Yes | No | - | - | - | Archived | Jul 28, 1993 | - | |
| Jun 29, 1993 | Jul 28, 1993 | TT | Yes | No | - | - | - | Archived | Jul 28, 1993 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Archived | Oct 14, 2009 | - |
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.