ENSENADA
PR — Community Water System — PWSID: PR0004084
System Information
| PWSID | PR0004084 |
| System Name | ENSENADA |
| 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 | Mar 1, 1980 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | PR |
| City | GUANICA |
| ZIP Code | 00653 |
| Address | CARR. 116 KM.25.4 |
| Organization | ENSENADA |
| Phone | 787-620-2277 |
Population & Service
| Population Served | 6,122 |
| Service Connections | 2,293 |
Drinking Water Violations (78)
This water system has 78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Antimony, Total | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Arsenic | MR | No | No | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | Arsenic Rule |
| Jan 1, 2022 | Dec 31, 2022 | Arsenic | MR | No | No | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | Arsenic Rule |
| Jan 1, 2022 | Dec 31, 2022 | Barium | MR | No | No | — | 2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Barium | MR | No | No | — | 2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Cadmium | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Cadmium | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | CYANIDE | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | CYANIDE | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Mercury | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Mercury | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Beryllium, Total | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Antimony, Total | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Beryllium, Total | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Chromium | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Chromium | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Thallium, Total | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Thallium, Total | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Selenium | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2022 | Dec 31, 2022 | Selenium | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 5, 2020 | Consumer Confidence Rule |
| Oct 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | Consumer Confidence Rule |
| Oct 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | Consumer Confidence Rule |
| Jul 1, 2014 | Sep 30, 2014 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | Sep 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | Sep 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | Sep 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | Sep 30, 2014 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | Sep 30, 2014 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 18, 2019 | Lead and Copper Rule |
| Jul 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 18, 2019 | Lead and Copper Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 2011 | Total Coliform Rule |
| Oct 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Oct 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Oct 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Jul 1, 2010 | Sep 30, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2010 | Nitrate Rule |
| Jul 1, 2010 | Sep 30, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2010 | Nitrate Rule |
| Jul 1, 2010 | Sep 30, 2010 | LASSO | MR | No | Yes | — | — | — | Resolved | Sep 30, 2010 | Synthetic Organic Chemicals |
| Jul 1, 2010 | Sep 30, 2010 | LASSO | MR | No | Yes | — | — | — | Resolved | Sep 30, 2010 | Synthetic Organic Chemicals |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 2003 | Total Coliform Rule |
| May 1, 2001 | May 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 2001 | Total Coliform Rule |
| Dec 1, 1998 | Dec 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1998 | Total Coliform Rule |
| Jul 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 2011 | Lead and Copper Rule |
| Jul 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 2011 | Lead and Copper Rule |
| Jul 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 2011 | Lead and Copper Rule |
| Jul 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 2011 | Lead and Copper Rule |
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.