COMUNIDAD DOÑA MAYO, INC.

PR — Community Water System — PWSID: PR0510165

System Information

PWSID	PR0510165
System Name	COMUNIDAD DOÑA MAYO, INC.
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	02
Serves School	No
Wholesaler	No
First Reported	Oct 24, 1984
Last Reported	Dec 23, 2025

Location & Contact

State	PR
City	BARRANQUITAS
ZIP Code	00794
Address	BO. QUEBRADA GRANDE
Organization	COM. DO%A MAYO (EL LLANO II)
Phone	787-857-1907

Population & Service

Population Served	232
Service Connections	87

Drinking Water Violations (281)

This water system has 281 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
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	TT	Yes	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	TT	Yes	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jul 1, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Unaddressed	—	Lead and Copper Rule
Jan 1, 2020	Jun 30, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2020	Revised Total Coliform Rule
Oct 1, 2019	Dec 31, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2019	Revised Total Coliform Rule
Jul 1, 2019	Sep 30, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Sep 30, 2019	Revised Total Coliform Rule
Apr 1, 2019	Jun 30, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2019	Revised Total Coliform Rule
Mar 1, 2016	Mar 31, 2016	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 2016	Total Coliform Rule
Dec 1, 2015	Dec 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2015	Total Coliform Rule
Oct 1, 2015	Oct 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2015	Total Coliform Rule
Sep 1, 2015	Sep 30, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 2015	Total Coliform Rule
Aug 1, 2015	Aug 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Aug 31, 2015	Total Coliform Rule
Jul 1, 2015	Jul 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 2015	Total Coliform Rule
Jun 1, 2015	Jun 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 2015	Total Coliform Rule
Jun 1, 2015	Jun 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 2015	Total Coliform Rule
May 1, 2015	May 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 2015	Total Coliform Rule
May 1, 2015	May 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 2015	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
May 1, 2014	May 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 2014	Total Coliform Rule
May 1, 2014	May 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2014	Total Coliform Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jan 31, 2014	Total Coliform Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jan 31, 2014	Total Coliform Rule
Oct 1, 2013	Oct 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2013	Total Coliform Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 2013	Total Coliform Rule
Aug 1, 2013	Aug 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Aug 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2013	Total Coliform Rule
Apr 1, 2013	Apr 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2013	Total Coliform Rule
Mar 1, 2013	Mar 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 2013	Total Coliform Rule
Feb 1, 2013	Feb 28, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Feb 28, 2013	Total Coliform Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jan 31, 2013	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 2012	Total Coliform Rule
Oct 1, 2012	Oct 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2012	Total Coliform Rule
May 1, 2012	May 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 2012	Total Coliform Rule
Apr 1, 2012	Apr 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Apr 30, 2012	Total Coliform Rule
Mar 1, 2012	Mar 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 2012	Total Coliform Rule
Jan 1, 2012	Jan 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jan 31, 2012	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 2011	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 2010	Total Coliform Rule
Mar 1, 2010	Mar 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 2010	Total Coliform Rule
Mar 1, 2010	Mar 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 2010	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2009	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2009	Total Coliform 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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