ENSENADA

PR — Community Water System — PWSID: PR0004084

System Information

PWSIDPR0004084
System NameENSENADA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedMar 1, 1980
Last ReportedDec 23, 2025

Location & Contact

StatePR
CityGUANICA
ZIP Code00653
AddressCARR. 116 KM.25.4
OrganizationENSENADA
Phone787-620-2277

Population & Service

Population Served6,122
Service Connections2,293

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.

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